Updated on 2024/11/25

Information

 

写真a

 
OZAWA HIRONOBU
 
Organization
Faculty of Science Department of Chemistry Associate Professor
International Institute for Carbon-Neutral Energy Research Advanced Energy Materials Thrust(Concurrent)
School of Sciences Department of Chemistry(Concurrent)
Graduate School of Sciences Department of Chemistry(Concurrent)
Title
Associate Professor
Profile
金属錯体を基盤とした太陽光エネルギー変換システムの構築を目的として、分子性光電気化学セルによる太陽光水分解や二酸化炭素還元に関する研究を行っている。

Degree

  • Doctor of Science Kyushu University

Research History

  • 東京理科大学 工学部工業化学科 助教   

Research Interests・Research Keywords

  • Research theme: Development of efficient solar energy conversion systems based on coordination compounds

    Keyword: Catalysts, Sensitizers, Solar water splitting, CO2 reduction

    Research period: 2015.4

Awards

  • 日本太陽エネルギー学会 論文賞

    2015.6  

Papers

  • Efficient Visible-Light-Driven Water Oxidation by a Carbon Nitride Modified with Cobalt Polyoxometalate Molecular Catalyst Reviewed International journal

    Yuki Tomita, Natsuki Taira, Ken Sakai,* Hironobu Ozawa*

    ACS Catalysis, 2024, 14, 5788-5794.   2024.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: DOI: 10.1021/acscatal.4c00627

  • A Highly Efficient and Stable Molecular-Based TiO2 Photoanode for Photoelectrochemical Water Splitting Achieved by Pyridyl Anchoring Technique Reviewed International journal

    Xin Yan, Ken Sakai,* Hironobu Ozawa*

    ACS Catalysis, 2023, 13, 13456-13465.   13 ( 20 )   13456 - 13465   2023.9   ISSN:2155-5435 eISSN:2155-5435

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    Photoelectrochemical overall water splitting by semiconductor electrodes modified with functional molecules has attracted considerable attention in recent years. Various kinds of molecular-based photoanodes consisting of a semiconductor thin film modified with both a photosensitizer (PS) and a water oxidation catalyst (WOC) have been developed thus far, and overall water splitting is achieved by using such a molecular-based photoanode and a Pt cathode. Nevertheless, due to the desorption of a PS and/or a WOC from the semiconductor surfaces, almost all the reported molecular-based photoanodes lose their photoelectrocatalytic activity within an hour. Thus, there is a strong demand to greatly improve the long-term stability of the molecular-based photoanodes toward practical applications. Here, we demonstrate the effectiveness of the “pyridyl anchoring technique” developed by us, leading to the long-term stability of our molecular-based photoanodes owing to the high strength of the Ti-N (pyridyl) bonding. A molecular-based TiO2 photoanode modified with both a polypyridyl ruthenium PS, [Ru(dpbpy)2(qpy)]2+ (dpbpy = 4,4′-diphenyl-2,2′-bipyridine, qpy = 4,4′:2′,2″:4″,4‴-quaterpyridine) (Ru-qpy), and a Ru(bda)-type WOC, Ru(bda)(4,4′-bpy)2 (bda = 2,2′-bipyridine-6,6′-dicarboxylic acid, 4,4′-bpy = 4,4′-bipyridine) (Ru(bda)-py) by our technique promotes water oxidation with an almost quantitative Faradaic efficiency (94 ± 6%) at the applied potential of 0.05 V versus SCE over 3 h under solar light irradiation (λ > 410 nm). Moreover, a photoelectrochemical cell (PEC) consisting of this molecular-based photoanode and a Pt cathode promotes overall water splitting only by giving an extra bias of 0.4 V. Our PEC achieves the second highest solar-to-hydrogen (STH) conversion efficiency (0.07%) among such applied bias-compensating PECs, successfully demonstrating the usefulness of the stable anchoring of molecular components in order to fabricate highly efficient PECs for solar water splitting.

    DOI: 10.1021/acscatal.3c03136

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  • A New Class of Molecular-Based Photoelectrochemical Cell for Solar Hydrogen Production Consisting of Two Mesoporous TiO2 Electrodes Reviewed International journal

    Kohei Morita, Ken Sakai,* Hironobu Ozawa*

    ACS Appl. Energy Mater., 2019, 2, 987-992.   2019.1

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  • Highly Efficient Dye-Sensitized Solar Cells Based on a Ruthenium Sensitizer Bearing a Hexylthiophene Modified Terpyridine Ligand Reviewed International journal

    Hironobu Ozawa, Takahito Sugiura, Takahiro Kuroda, Kouya Nozawa, Hironori Arakawa*

    J. Mater. Chem. A, 2016, 4, 1726-1770.   2016.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/C5TA10393B

  • Ruthenium Sensitizers with a Hexylthiophene-Modified Terpyridine Ligand for Dye-Sensitized Solar Cells: Synthesis, Photo- and Electrochemical Properties, and Adsorption Behavior to the TiO2 Surface Reviewed International journal

    Hironobu Ozawa, Yasuyuki Yamamoto, Hiroki Kawaguchi, Ryosuke Shimizu, Hironori Arakawa*

    ACS Appl. Mater. Interfaces, 2015, 7, 3152-3161.   2015.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/am507442s

  • A Photo-Hydrogen-Evolving Molecular Device Driving Visible-Light-Induced EDTA-Reduction of Water into Molecular Hydrogen Reviewed International journal

    Hironobu Ozawa, Masa-aki Haga, Ken Sakai*

    J. Am. Chem. Soc., 2006, 128, 4926-4927.   2006.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/ja058087h

  • Efficient Visible-Light-Driven Water Oxidation by a Carbon Nitride Modified with Cobalt Polyoxometalate Molecular Catalyst Reviewed

    Yuki Tomita, Natsuki Taira, Ken Sakai, Hironobu Ozawa

    ACS Catalysis   14 ( 8 )   5788 - 5794   2024.4   ISSN:2155-5435 eISSN:2155-5435

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    Authorship:Last author, Corresponding author   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    Solar-driven CO2 reduction coupled with water oxidation (WO) is regarded as one of the most ideal methodologies to solve global warming and environmental problems. Toward the development of such human technologies, it is crucial to greatly improve the efficiency in the photocatalytic WO, which is considered as a bottleneck reaction. Here we report on the two hybrid photocatalysts for visible-light-driven WO by using graphitic carbon nitride (g-C3N4) photocatalysts anchored with a water-insoluble molecular water oxidation catalyst (WOC). The g-C3N4 photocatalysts physisorbed with either the monocobalt polyoxometalate (THA)3CoPOM (THA+ = tetraheptylammonium, CoPOM3- = [CoMo6O24H6]3-) or cobalt tetraphenylporphyrin (CoTPP) are developed and their photocatalytic WO performances are investigated in the presence of the sacrificial hole donor Ag+. The g-C3N4/(THA)3CoPOM photocatalyst is found to exhibit higher activity by achieving an optimum turnover frequency of 15.8 h-1, which turns out to be the highest among the C3N4/WOC photocatalysts reported to date. Moreover, due to the photocatalytic performance of this hybrid photocatalyst, the external quantum yield is successfully determined to be ca. 0.01%.

    DOI: 10.1021/acscatal.4c00627

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  • Efficient syngas production with controllable CO:H2 ratios based on the aqueous electrocatalytic CO2 reduction over mesoporous TiO2 films modified with a cobalt porphyrin molecular catalyst Reviewed International journal

    Hironobu Ozawa, Ryoma Kikunaga, Hajime Suzuki, Ryu Abe, Ken Sakai

    Sustainable Energy Fuels, 2023, 7, 1627-1632.   2023.2

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    Language:English   Publishing type:Research paper (scientific journal)  

  • Two-Electrode Solar Water Splitting Permitting H2 Separation at a Dark Cathode Invited Reviewed International journal

    Hironobu Ozawa* and Ken Sakai*

    AsiaChem Magazine, 2021, 2, 80-87.   2021.12

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

  • Improving the Overall Performance of Photochemical H2 Evolution Catalyzed by the Co-NHC Complex via the Redox Tuning of Electron Relays Reviewed International journal

    Koichi Yatsuzuka, Kosei Yamauchi*, Ken Kawano, Hironobu Ozawa*, and Ken Sakai*

    Sustainable Energy Fuels, 2021, 5, 740-749.   2021.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/D0SE01597K

  • A Molecular-Based Water Electrolyzer Consisting of Two Mesoporous TiO2 Electrodes Modified with Metalloporphyrin Molecular Catalysts Showing a Quantitative Faradaic Efficiency Reviewed International journal

    Katsuhiro Akamine, Kohei Morita, Ken Sakai,* Hironobu Ozawa*

    ACS Appl. Energy Mater., 2020, 3, 4860-4866.   2020.4

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    酸素生成錯体触媒を修飾した二酸化チタン電極、および水素生成錯体触媒を修飾した二酸化チタン電極を作製し、それぞれの触媒機能評価を行った。さらに、これらの修飾電極を用いた分子性電気化学セルによる水の完全分解に初めて成功した。

    DOI: 10.1021/acsaem.0c00443

  • A Platinum Porphyrin Modified TiO2 Electrode for Photoelectrochemical Hydrogen Production from Neutral Water Driven by the Conduction Band Edge Potential of TiO2 Reviewed International journal

    Kohei Morita, Kohei Takijiri, Ken Sakai,* Hironobu Ozawa*

    Dalton Trans., 2017, 46, 15181-15185.   2017.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c7dt03710d

  • Highly Stable Chemisorption of Dyes with Pyridyl Anchors over TiO2: Application in Dye-Sensitized Photoelectrochemical Water Reduction in Aqueous Media Reviewed International journal

    Kohei Takijiri, Kohei Morita, Takashi Nakazono, Ken Sakai,* Hironobu Ozawa*

    Chem. Commun., 2017, 53, 3042-3045.   2017.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c6cc10321a

  • Synthesis and Characterization of a RuPt-Based Photo-Hydrogen-Evolving Molecular Device Tethered to a Single Viologen Acceptor Reviewed International journal

    Masayuki Miyaji, Kyoji Kitamoto, Hironobu Ozawa,* Ken Sakai*

    Eur. J. Inorg. Chem., 2017, 1237-1244.   2017.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/ejic.201601346

  • Improved Photocatalytic Hydrogen Evolution Driven by Chloro(terpyridine)platinum(II) Derivatives Tethered to a Single Pendant Viologen Acceptor Reviewed International journal

    Shu Lin, Kyoji Kitamoto, Hironobu Ozawa,* Ken Sakai*

    Dalton Trans., 2016, 45, 10643-10654.   2016.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/C6DT01456A

  • Black-Dye-Based Dye-Sensitized Solar Cells using the Electrolyte Solutions Containing a Quaternary Phosphonium Iodide with a Various Alkyl Chain Length Reviewed International journal

    Hironobu Ozawa, Ayako Urayama, Hironori Arakawa*

    Electrochim. Acta, 2016, 187, 73-80.   2015.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.electacta.2015.10.191

  • Efficient Ruthenium Sensitizer with an Extended π-Conjugated Terpyridine Ligand for Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Kei Fukushima, Ayako Urayama, Hironori Arakawa*

    Inorg. Chem., 2015, 54, 8887-8889.   2015.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.inorgchem.5b01640

  • Novel Near-Infrared Carboxylated 1,3-Indandione Sensitizers for Highly Efficient Flexible Dye-Sensitized Solar Cells Reviewed International journal

    Naoyuki Shibayama, Yukiko Inoue, Masahiro Abe, Shingo Kajiyama, Hironobu Ozawa, Hidetoshi Miura, Hironori Arakawa*

    Chem. Commun., 2015, 51, 12795-12798.   2015.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c5cc03049h

  • Highly Efficient Cosensitized Plastic-Substrate Dye-Sensitized Solar Cells with Black Dye and Pyridine-Anchor Organic Dye Reviewed International journal

    Naoyuki Shibayama, Hironobu Ozawa, Yousuke Ooyama, Hironori Arakawa*

    Bull. Chem. Soc. Jpn., 2015, 88, 366-374.   2015.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1246/bcsj.20140344

  • Effects of the Alkyl Chain Length of Imidazolium Iodide in the Electrolyte Solution on the Performance of Black-Dye-Based Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Yuki Tawaraya, Hironori Arakawa*

    Electrochim. Acta, 2015, 151, 447-452.   2015.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.electacta.2014.11.067

  • Efficient Ruthenium Sensitizer with a Terpyridine Ligand Having a Hexylthiophene Unit for Dye-Sensitized Solar Cells: Effects of the Substituent Position on the Solar Cell Performance Reviewed International journal

    Hironobu Ozawa, Takahiro Kuroda, Shohei Harada, Hironori Arakawa*

    Eur. J. Inorg. Chem., 2014, 4734-4739.   2014.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/ejic.201402530

  • Novel Ruthenium Sensitizers Having Different Numbers of Carboxyl Groups for Dye-Sensitized Solar Cells: Effects of the Adsorption Manner at the TiO2 Surface on the Solar Cell Performance Reviewed International journal

    Hironobu Ozawa, Takahito Sugiura, Ryosuke Shimizu, Hironori Arakawa*

    Inorg. Chem., 2014, 53, 9375-9384.   2014.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/ic501479p

  • Ruthenium Sensitizers Having an Ortho-Dicarboxyl Group as an Anchoring Unit for Dye-Sensitized Solar Cells: Synthesis, Photo- and Electrochemical Properties, and Adsorption Behavior to the TiO2 Surface Reviewed International journal

    Hironobu Ozawa, Kei Fukushima, Takahito Sugiura, Ayako Urayama, Hironori Arakawa*

    Dalton Trans., 2014, 43, 13208-13218.   2014.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c4dt01450b

  • A New Cosensitization Method using the Lewis Acid Sites of a TiO2 Photoelectrode for Dye-Sensitized Solar Cells Reviewed International journal

    Naoyuki Shibayama, Hironobu Ozawa, Masahiro Abe, Yousuke Ooyama, Hironori Arakawa*

    Chem. Commun., 2014, 50, 6398-6401.   2014.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c3cc49461f

  • Dependence of the Efficiency Improvement of Black-Dye-Based Dye-Sensitized Solar Cells on Alkyl Chain Length of Quaternary Ammonium Cations in Electrolyte Solutions Reviewed International journal

    Hironobu Ozawa, Yu Okuyama, Hironori Arakawa*

    ChemPhysChem, 2014, 15, 1201-1206.   2014.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/cphc.201301025

  • Novel Ruthenium Sensitizers with a Dianionic Tridentate Ligand for Dye-Sensitized Solar Cells: the Relationship Between the Solar Cell Performances and the Electron-Withdrawing Ability of Substituents on the Ligand Reviewed International journal

    Hironobu Ozawa, Shunsuke Honda, Daichi Katano, Takahito Sugiura, Hironori Arakawa*

    Dalton Trans., 2014, 43, 8026-8036.   2014.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c3dt52873a

  • Mechanistic Studies of Photoinduced Intramolecular and Intermolecular Electron Transfer Processes in RuPt-Centred Photo-Hydrogen-Evolving Molecular Devices Reviewed International journal

    Chettiyam Suneesh, Bijitha Balan, Hironobu Ozawa, Yuki Nakamura, Tetsuro Katayama, Masayasu Muramatsu, Yutaka Nagasawa, Hiroshi Miyasaka, Ken Sakai*

    Phys. Chem. Chem. Phys., 2014, 16, 1607-1616.   2014.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c3cp54630f

  • Ruthenium Sensitizers with 2,2'-Bipyrimidine or a 5,5'-Disubstituted 2,2'-Bipyrimidine Ligand: Synthesis, Photo- and Electrochemical Properties, and Application to Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Hiroki Kawaguchi, Yu Okuyama, Hironori Arakawa*

    Eur. J. Inorg. Chem., 2013, 5187-5195.   2013.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/ejic.201300345

  • Effects of Cation Composition in the Electrolyte on the Efficiency Improvement of Black Dye-Based Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Yu Okuyama, Hironori Arakawa*

    RSC Adv., 2013, 3, 9175-9177.   2013.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c3ra23495a

  • Synthesis and Characterization of a Novel Ruthenium Sensitizer with a Hexylthiophene-Functionalized Terpyridine Ligand for Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Yasuyuki Yamamoto, Kei Fukushima, Satoshi Yamashita, Hironori Arakawa*

    Chem. Lett., 2013, 42, 897-899.   2013.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1246/cl.130217

  • Synthesis of a Novel Ruthenium Sensitizer Bearing an Ortho-Dicarboxyphenyl Group as an Anchoring Unit for Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Shohei Oura, Ryosuke Shimizu, Hironori Arakawa*

    Chem. Lett., 2012, 41, 1406-1408.   2012.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1246/cl.2012.1406

  • Effective Enhancement of the Performance of Black Dye Based Dye-Sensitized Solar Cells by Metal Oxide Surface Modification of the TiO2 Photoelectrode Reviewed International journal

    Hironobu Ozawa, Yu Okuyama, Hironori Arakawa*

    Dalton Trans., 2012, 41, 5137-5139.   2012.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c2dt12275h

  • Significant Improvement in the Conversion Efficiency of Black-Dye-Based Dye-Sensitized Solar Cells by Cosensitization with Organic Dye Reviewed International journal

    Hironobu Ozawa, Ryosuke Shimizu, Hironori Arakawa*

    RSC Adv., 2012, 2, 3198-3200.   2012.7

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c2ra01257j

  • Characterization of Photovoltaic Performance of the Dye-Sensitized Solar Cell with a Novel Ruthenium Complex Having a Bisdemethoxycurcumin as a Ligand Invited Reviewed International journal

    Hironobu Ozawa, Hiroki Kawaguchi, Yu Okuyama, Hironori Arakawa*

    Ambio, 2012, 41, 149-150.   2012.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s13280-012-0278-1

  • Effects of Dye Adsorption Solvent on the Performances of the Dye-Sensitized Solar Cells Based on Black Dye Reviewed International journal

    Hironobu Ozawa, Megumi Awa, Takahiko Ono, Hironori Arakawa*

    Chem. Asian J., 2012, 7, 156-162.   2012.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/asia.201100484

  • Synthesis and Characterization of a Novel Ruthenium Complex Bearing a Curcumin Derivative Ligand and Its Application to Dye-Sensitized Solar Cells Reviewed International journal

    Hironobu Ozawa, Hiroki Kawaguchi, Yu Okuyama, Hironori Arakawa*

    Chem. Lett., 2011, 40, 658-660.   2011.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1246/cl.2011.658

  • Photo-Hydrogen-Evolving Molecular Devices Driving Visible-Light-Induced Water Reduction into Molecular Hydrogen: Structure-Activity Relationship and Reaction Mechanism Invited Reviewed International journal

    Hironobu Ozawa, Ken Sakai*

    Chem. Commun., 2011, 47, 2227-2242. (Feature Article)   2011.9

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c0cc04708b

  • A New Type of Electrochemical Oxidation of Alcohols Mediated with a Ruthenium-Dioxolene-Ammine Complex in Neutral Water Reviewed International journal

    Hironobu Ozawa, Takami Hino, Hideki Ohtsu, Tohru Wada, Koji Tanaka*

    Inorg. Chim. Acta, 2011, 366, 298-302.   2011.6

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    DOI: 10.1016/j.ica.2010.11.013

  • Photo-Hydrogen-Evolving Molecular Catalysts Consisting of Polypyridyl Ruthenium(II) Photosensitizers and Platinum(II) Catalysts: Insights into the Reaction Mechanism Reviewed International journal

    Hironobu Ozawa, Masayuki Kobayashi, Bijitha Balan, Shigeyuki Masaoka, Ken Sakai*

    Chem. Asian J., 2010, 5, 1860-1869.   2010.4

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/asia.201000083

  • An Effect of Structural Modification in the Photo-Hydrogen-Evolving Ru(II)Pt(II) Dimers Reviewed International journal

    Hironobu Ozawa, Ken Sakai*

    Chem. Lett., 2007, 36, 920-921.   2007.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1246/cl.2007.920

  • Homogeneous Catalysis of Platinum(II) Complexes in Photochemical Hydrogen Production from Water Invited Reviewed International journal

    Ken Sakai,* Hironobu Ozawa

    Coord. Chem. Rev., 2007, 251, 2753-2766.   2007.5

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    DOI: 10.1016/j.ccr.2007.08.014

  • Syntheses, Characterization, and Photo-Hydrogen-Evolving Properties of Tris(2,2'-bipyridine)ruthenium(II) Derivatives Tethered to a cis-Pt(II)Cl2 Unit: Insights into the Structure-Activity Relationship Reviewed International journal

    Hironobu Ozawa, Yuki Yokoyama, Masa-aki Haga, Ken Sakai*

    Dalton Trans., 2007, 1197-1206.   2007.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/b617617h

  • A Tris(2,2'-bipyridine)ruthenium(II) Derivative Tethered to a cis-PtCl2(amine)2 Moiety : Syntheses, Spectroscopic Properties, and Visible-Light-Induced Scission of DNA Reviewed International journal

    Ken Sakai,* Hironobu Ozawa, Hajime Yamada, Taro Tsubomura, Mariko Hara, Akon Higuchi, Masa-aki Haga

    Dalton Trans., 2006, 3300-3305.   2006.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/b600165c

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Books

  • 分子性色素増感光電気化学セルによる太陽光水分解 日本化学会編 CSJカレントレビュー32 光エネルギー変換における分子触媒の新展開

    森田浩平、酒井 健、小澤弘宜

    化学同人  2020.10 

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    Language:Japanese  

  • 分子性錯体触媒を修飾したTiO2電極による水の完全分解 エネルギー・資源 2020, 41, 30-35.

    小澤弘宜、酒井健

    2020.6 

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    Language:Japanese  

  • ノンバイアスで水の完全分解に成功!分子性タンデムセルによる可視光水分解反応 月刊化学 注目の論文

    小澤弘宜

    月刊化学 注目の論文, 化学同人, 2016, 71, 57-58.  2016.6 

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    Language:Japanese  

  • 色素増感太陽電池の高性能化技術 光合成研究と産業応用最前線

    小澤弘宜、荒川裕則

    光合成研究と産業応用最前線, NTS, 2014, 329-338.  2014.6 

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    Language:Japanese  

  • 太陽電池の仕組み 図解入門 よくわかる最新太陽光発電の基本と仕組み

    小澤弘宜、荒川裕則

    図解入門 よくわかる最新太陽光発電の基本と仕組み 第4章、秀和システム、2013, 83-114.  2013.10 

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    Language:Japanese  

  • 色素増感太陽電池の高効率化 工業材料6月号

    小澤弘宜、荒川裕則

    工業材料6月号, 日刊工業新聞社, 2013, 26-29.  2013.8 

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  • 有機太陽電池1(色素増感太陽電池) 図解入門 よくわかる最新太陽電池の基本と仕組み

    小澤弘宜、荒川裕則

    図解入門 よくわかる最新太陽電池の基本と仕組み 第5章、秀和システム、2013, 103-120.  2013.6 

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  • 色素増感太陽電池開発の現状と課題 高効率太陽電池

    荒川裕則、小澤弘宜

    高効率太陽電池, NTS, 2012, 249-268.  2012.6 

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    Language:Japanese  

  • 水からの水素生成機能を有する単一分子光水素発生デバイスの開発 日本化学会編 CSJカレントレビュー02 人工光合成と有機系太陽電池

    小澤弘宜、酒井 健

    日本化学会編 CSJカレントレビュー02 人工光合成と有機系太陽電池 第8章、化学同人、2010, 88-95.  2010.6 

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    Language:Japanese  

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Presentations

  • Coフタロシアニン触媒を化学修飾したTiO2電極による水溶液中におけるCO2還元反応

    浦 陸人・酒井 健・小澤 弘宜

    日本化学会 第103春季年会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 白金ナノクラスター修飾電極の作製と水素生成触媒特性

    池田 達紀・山内 幸正・小澤 弘宜・酒井 健

    日本化学会 第103春季年会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 各種Znポルフィリンを修飾したTiO2フォトアノードを用いた太陽光水素生成反応

    中島 直人・酒井 健・小澤 弘宜

    日本化学会 第103春季年会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • ポリモリブデン酸コバルト触媒を修飾したカーボンナイトライドの光化学的酸素生成触媒機能

    冨田 侑樹・多伊良 夏樹・小澤 弘宜・酒井 健

    日本化学会 第103春季年会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 低過電圧化を目指したCoポルフィリン触媒を修飾したTiO2カソードによるCO2還元

    合屋 祐輝、酒井 健、小澤 弘宜

    日本化学会 第103春季年会  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • A Highly Stable Molecular-based TiO2 Photoanode for Photoelectrochemical Water Splitting Achieved by Pyridyl Anchoring Technique

    Xin Yan, Ken Sakai, Hironobu Ozawa

    日本化学会 第103春季年会  2023.3 

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    Event date: 2023.3

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Functional-Molecule-Modified Mesoporous TiO2 Electrodes for Electrochemical and Photoelectrochemical Water Splitting Invited International conference

    Hironobu Ozawa

    11th Singapore International Chemistry Conference  2022.12 

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    Event date: 2022.12

    Language:English   Presentation type:Oral presentation (general)  

    Country:Singapore  

  • Functional-Molecule-Modified Mesoporous TiO2 Electrodes for Water Splitting and CO2 Reduction Invited International conference

    Hironobu Ozawa

    Workshop on Catalytic Approaches for Carbon Capture, Utilization, and Renewable Energy Storage  2022.12 

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    Event date: 2022.12

    Language:English   Presentation type:Oral presentation (general)  

    Country:Singapore  

  • Photoelectrochemical Water Oxidation by a Molecular-based TiO2 Photoanode Modified with Ruthenium Photosensitizer and Catalyst

    Xin YAN, Ken SAKAI, Hironobu OZAWA

    錯体化学会 第72回討論会  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Coフタロシアニンを修飾したTiO2電極の作製とそれを用いたCO2還元触媒反応

    浦 陸人・酒井 健・小澤弘宜

    錯体化学会 第72回討論会  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Znポルフィリン修飾TiO2電極をフォトアノードとして用いた太陽光水素生成

    中島直人・酒井 健・小澤弘宜

    錯体化学会 第72回討論会  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Rubda型分子性酸素生成触媒を修飾したカーボンナイトライド光触媒の機能評価

    冨田 侑樹・小澤 弘宜・酒井 健

    錯体化学会 第72回討論会  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Coポルフィリン修飾TiO2電極を用いたCO2還元反応による合成ガス生成

    合屋裕輝・菊永竜馬・酒井 健・小澤弘宜

    錯体化学会 第72回討論会  2022.9 

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Photoelectrochemical Water Oxidation by TiO2 Photoanode Modified with Molecular Ruthenium Photosensitizer and Catalyst

    Xin Yan・Ken Sakai・Hironobu Ozawa

    第33回 配位化合物の光化学討論会  2022.8 

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    Event date: 2022.8

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Photocatalytic Water Oxidation by Carbon Nitride Modified with Rubda-type Water Oxidation Catalyst International conference

    Yuki Tomita, Hironobu Ozawa, Ken Sakai

    8th Asian Conference on Coordination Chemistry  2022.7 

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    Event date: 2022.7

    Language:English   Presentation type:Oral presentation (general)  

    Country:Taiwan, Province of China  

  • Photoelectrochemical water oxidation by TiO2 photoanode modified with molecular ruthenium photosensitizer and catalyst International conference

    Xin Yan, Ken Sakai, Hironobu Ozawa

    8th Asian Conference on Coordination Chemistry  2022.7 

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    Event date: 2022.7

    Language:English   Presentation type:Oral presentation (general)  

    Country:Taiwan, Province of China  

  • コバルトポルフィリン修飾メソポーラス窒化炭素を触媒とする光化学的二酸化炭素還元反応

    冀聰昊・張娴・小澤弘宜・酒井健

    錯体化学会第71回討論会  2021.9 

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    Event date: 2022.6

    Language:Japanese  

    Country:Japan  

  • 白金ポルフィリン修飾TiO2電極を用いた水溶液中におけるCO2還元触媒反応に関する研究

    菊永竜馬・小澤弘宜・酒井 健

    錯体化学会第71回討論会  2021.9 

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    Event date: 2022.6

    Language:Japanese  

    Country:Japan  

  • TiO2 Electrodes Modified with Molecular Photosensitizer and Catalyst for Photoelectrochemical Water Oxidation

    Xin YAN, Ken SAKAI, Hironobu OZAWA

    錯体化学会第71回討論会  2021.9 

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    Event date: 2022.6

    Language:English  

    Country:Japan  

  • Red-Light-Driven Hydrogen Production by TiO2-based Photoanode Modified with Novel Ru Photosensitizer having Picolinate derivatives

    MORITA Kohei, SAKAI Ken, OZAWA Hironobu

    日本化学会第100春季年会  2020.3 

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    Event date: 2020.3

    Language:English  

    Country:Japan  

  • 錯体触媒を修飾したTiO2電極を用いた電気化学的な水の完全分解 Invited

    小澤弘宜

    九州錯体化学懇談会 第259回例会  2020.2 

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    Event date: 2020.2

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Molecular-Based Photoelectrochemical Cells for Overall Water Splitting Consisting of Two TiO2 Electrodes Invited International conference

    Hironobu Ozawa

    New Trends in Photophysics and Photochemistry and their Applications  2020.1 

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    Event date: 2020.1

    Language:English  

    Country:Japan  

  • A MOLECULAR-BASED ELECTROCHEMICAL CELL FOR OVERALL WATER SPLITTING CONSISTING OF TWO TiO2 ELECTRODES International conference

    Hironobu Ozawa

    International Conference on Artificial Photosynthesis-2019  2019.11 

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    Event date: 2019.11

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • THE ORIGIN OF ELECTROMOTIVE FORCE FOR H2 EVOLUTION IN PHOTOELECTROCHEMICAL CELL CONSISTING OF TiO2 ELECTRODES International conference

    Kohei Morita, Ken Sakai, Hironobu Ozawa

    International Conference on Artificial Photosynthesis-2019  2019.11 

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    Event date: 2019.11

    Language:English  

    Country:Japan  

  • Bias-free Solar Hydrogen Evolution in a Molecular-based Photoelectrochemical cell consisting of two TiO2 electrodes driven by Photogenerated Electromotive Force

    Kohei Morita, Ken Sakai, Hironobu Ozawa

    錯体化学会 第69回討論会  2019.9 

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 分子性触媒および色素を用いた光電気化学セルによる太陽光水分解反応 Invited

    小澤弘宜

    第7回 錯体化学若手の会 九州・沖縄支部勉強会  2018.12 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 分子性色素増感光電気化学セルによる太陽光水分解 Invited

    小澤弘宜

    日本化学会 第99春季年会  2019.3 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • The Origin of the Electromotive Force in a Photoelectrochemical Cell Consisting of Two TiO2 Electrodes

    Kohei Morita, Ken Sakai, Hironobu Ozawa

    日本化学会 第99春季年会  2019.3 

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Molecular-Based Photoelectrochemical Cell for Solar Hydrogen Production Consisting of Two TiO2 electrodes Invited International conference

    Hironobu Ozawa

    International Conference on Photocatalysis and Photoenergy 2019  2019.5 

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Korea, Republic of  

  • Electromotive Force for Hydrogen Evolution by Photoelectrochemical cell consisting of TiO2 based electrodes International conference

    Kohei Morita, Ken Sakai, Hironobu Ozawa

    The 23rd International Symposium on the Photochemistry and Photophysics of Coordination Compounds  2019.7 

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

  • Molecular-Based Photoelectrochemical Cell for Solar Hydrogen Production Consisting of Two TiO2 electrodes International conference

    Hironobu Ozawa

    The 23rd International Symposium on the Photochemistry and Photophysics of Coordination Compounds  2019.7 

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    Event date: 2019.6

    Language:English   Presentation type:Oral presentation (general)  

  • 分子性触媒修飾型TiO2電極を両極に有する電気化学セルによる低過電圧水分解

    赤嶺勝広、酒井健、小澤弘宜

    錯体化学会 第69回討論会  2019.9 

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    Event date: 2019.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Highly Efficient Dye-Sensitized Solar Cell with a Ruthenium-Complex Sensitizer Bearing a Hexylthiophene-Modified Terpyridine Ligand

    Hironobu Ozawa, Hironori Arakawa, Ken Sakai

    第25回 日本MRS年次大会  2015.12 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 高い光耐久性を有する白金ポルフィリン錯体触媒の合成と水素生成触媒機能の評価

    森田浩平、小澤弘宜、酒井健

    日本化学会第96春季年会  2016.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 太陽光水分解反応を志向したルテニウム錯体色素の光増感機能に対する置換基効果

    濱桐真、小澤弘宜、酒井健

    日本化学会第96春季年会  2016.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • ピリジンアンカー導入型白金ポルフィリン錯体を修飾した水素生成電極の作製と機能評価

    森田浩平、小澤弘宜、酒井健

    錯体化学会 第66回討論会  2016.9 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • ピリジンアンカーを有する新規Ru(Ⅱ)錯体色素の合成及びその修飾電極の作製

    濱桐真、小澤弘宜、酒井健

    錯体化学会 第66回討論会  2016.9 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • クォーターピリジンをアンカー基として有するルテニウム錯体色素の合成及びその吸脱着挙動の評価

    瀧尻孝平、小澤弘宜、酒井健

    錯体化学会 第66回討論会  2016.9 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 低過電圧で水素生成反応を駆動する高耐久性白金錯体修飾電極

    森田浩平、小澤弘宜、酒井健

    日本化学会第97春季年会  2017.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • ピリジンアンカーを有するルテニウム錯体色素を用いた高耐久性光電気化学セルによる水素生成反応

    瀧尻孝平、小澤弘宜、酒井健

    日本化学会第97春季年会  2017.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 種々の電子吸引基を導入したルテニウム錯体色素で修飾したチタニアフォトアノードを用いた光電気化学セルによる光水素生成反応

    瀧尻孝平、森田浩平、酒井健、小澤弘宜

    第29回配位化合物の光化学討論会  2017.8 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 白金ポルフィリン錯体触媒修飾TiO2電極をカソードとして用いた光電気化学セルによる水素生成反応

    森田浩平、瀧尻孝平、酒井健、小澤弘宜

    錯体化学会 第67回討論会  2017.9 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • ピリジンアンカーを有する種々のルテニウム錯体色素で修飾したTiO2フォトアノードを用いた光電気化学セルによる光水素生成反応

    瀧尻孝平、森田浩平、酒井健、小澤弘宜

    錯体化学会 第67回討論会  2017.9 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Visible-Light-Driven Hydrogen Production from Water in a Molecular-Based Dye-Sensitized Photoelectrochemical Cell International conference

    Hironobu Ozawa

    4th Japan-Canada Joint Symposium on Coordination Chemistry  2017.11 

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Molecular‐Based Photoelectrochemical Cells for Visible‐Light‐Driven Hydrogen Production from Water International conference

    Hironobu Ozawa

    I2CNER International Workshop  2018.2 

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 白金ポルフィリン触媒修飾TiO2電極をカソードとして用いた光電気化学セルによる太陽光水素生成反応

    森田浩平、瀧尻孝平、酒井健、小澤弘宜

    日本化学会第98春季年会  2018.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • コバルトポルフィリン触媒を修飾したTiO2電極を用いた電気化学的酸素発生

    赤嶺 勝広、酒井健、小澤弘宜

    日本化学会第98春季年会  2018.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 近赤外光増感ルテニウム錯体色素で修飾したTiO2電極を用いた光電気化学セルによる水素生成反応

    丁 亨鎮、酒井健、小澤弘宜

    日本化学会第98春季年会  2018.3 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 分子性触媒修飾TiO2電極を両極に用いた電気化学セルによる水分解反応

    赤嶺勝広、酒井健、小澤弘宜

    錯体化学会 第68回討論会  2018.7 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • ルテニウム錯体色素修飾TiO2電極をフォトアノードとして用いた光電気化学セルによる近赤外光水素生成

    丁亨鎮、酒井健、小澤弘宜

    錯体化学会 第68回討論会  2018.7 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • A Platinum Porphyrin Hydrogen Evolution Catalyst Anchored over TiO2: High Stability and Low Potential

    Kohei Morita, Ken Sakai, Hironobu Ozawa

    錯体化学会 第68回討論会  2018.7 

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    Event date: 2018.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Solar Driven Hydrogen Production in a Photoelectrochemical Cell Using a Pt Porphyrin Modified TiO2 Cathode International conference

    Kohei Morita, Ken Sakai, Hironobu Ozawa

    43rd International Conference on Coordination Chemistry  2018.7 

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Electrochemical oxygen evolution catalyzed by a cobalt porphyrin modified TiO2 electrode International conference

    Katsuhiro Akamine, Ken Sakai, Hironobu Ozawa

    43rd International Conference on Coordination Chemistry  2018.7 

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • A Ruthenium Photosensitizer Modified TiO2 Electrode for Near-Infrared Light-Driven Hydrogen Evolution International conference

    Hyengjin Jeong, Ken Sakai, Hironobu Ozawa

    43rd International Conference on Coordination Chemistry  2018.7 

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Solar Driven Hydrogen Production in a Molecular-Based Photoelectrochemical Cell Consisting of Two TiO2 electrodes International conference

    Hironobu Ozawa

    43rd International Conference on Coordination Chemistry  2018.7 

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    Event date: 2018.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • A Highly Efficient and Stable Molecular-Based TiO2 Photoanode for Photoelectrochemical Water Splitting International conference

    Xin Yan, Ken Sakai, Hironobu Ozawa

    25th International Symposium on the Photochemistry and Photophysics of Coordination Compounds  2023.7 

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    Language:English  

    Country:Germany  

  • Molecular-Based Photoanodes for Photoelectrochemical Overall Water Splitting International conference

    Hironobu Ozawa

    Pre-Xmas EPSCR-JSPS INPOMs 2023 meeting  2023.12 

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    Language:English  

    Country:Japan  

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MISC

  • 分子性錯体触媒を修飾したTiO2電極による水の完全分解 エネルギー・資源

    小澤弘宜、酒井 健

    2020.5

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    Language:Japanese  

  • 分子性触媒による水の完全分解を目指して 新学術領域研究 革新的光物質変換 ニュースレター 第3巻 2020年

    小澤弘宜、酒井 健

    2020.1

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    Language:Japanese  

  • ロールプレス法を用いたフレキシブル色素増感太陽電池(3) メタルマスクを用いたサブモジュールの作製 日本太陽エネルギー学会誌

    柴山直之、小澤弘宜、荒川裕則

    日本太陽エネルギー学会誌, 2014, 40, 77-85.   2014.10

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    Language:Japanese  

  • ロールプレス法を用いたフレキシブル色素増感太陽電池(2) スクリーン印刷を用いたサブモジュールの作製 日本太陽エネルギー学会誌

    柴山直之、小澤弘宜、荒川裕則

    日本太陽エネルギー学会誌, 2014, 40, 79-86.   2014.8

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  • ロールプレス法を用いたフレキシブル色素増感太陽電池(1) 平面プレス法との性能比較 日本太陽エネルギー学会誌

    柴山直之、渡邊直哉、小澤弘宜、荒川裕則

    日本太陽エネルギー学会誌, 2014, 40, 53-58.   2014.6

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    Language:Japanese  

  • 色素増感太陽電池の現状と将来展望 日本エネルギー学会誌

    小澤弘宜、荒川裕則

    日本エネルギー学会誌, 2012, 91, 369-375.   2012.6

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    Language:Japanese  

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Industrial property rights

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Professional Memberships

  • 複合系の光機能研究会

  • 錯体化学会

  • 日本化学会

Committee Memberships

  • 複合系の光機能研究会   企画委員、運営委員  

    2024.4 - Present   

  • 日本化学会   九州支部 会計幹事  

    2020.4 - 2021.3   

Academic Activities

  • ポスター賞審査委員

    錯体化学会第73回討論会  ( Japan ) 2023.9

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    Type:Competition, symposium, etc. 

  • 講演賞審査員

    日本化学会第103春季年会  ( Japan ) 2023.3

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    Type:Competition, symposium, etc. 

  • Screening of academic papers

    Role(s): Peer review

    2023

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:4

  • 実行委員会委員、事務局

    錯体化学会第72回討論会  ( Japan ) 2022.9

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    Type:Competition, symposium, etc. 

  • Screening of academic papers

    Role(s): Peer review

    2022

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:5

  • Screening of academic papers

    Role(s): Peer review

    2021

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:4

  • Screening of academic papers

    Role(s): Peer review

    2020

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:5

  • 講演賞審査委員

    錯体化学会第69回討論会  ( Japan ) 2019.9

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    Type:Competition, symposium, etc. 

  • ポスター賞審査委員

    錯体化学会第69回討論会  ( Japan ) 2019.9

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    Type:Competition, symposium, etc. 

  • Screening of academic papers

    Role(s): Peer review

    2019

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:3

  • ポスター賞審査委員

    第7回 錯体化学若手の会 九州・沖縄支部勉強会  ( Japan ) 2018.12 - 2019.6

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    Type:Competition, symposium, etc. 

  • ポスター賞審査委員

    第55回 化学関連支部合同九州大会  ( Japan ) 2018.7 - 2019.6

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    Type:Competition, symposium, etc. 

  • 講演賞審査員

    日本化学会第98春季年会  ( Japan ) 2018.3

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    Type:Competition, symposium, etc. 

  • Screening of academic papers

    Role(s): Peer review

    2018

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:4

  • 学生講演賞審査員

    錯体化学会 第67回討論会  ( Japan ) 2017.9

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    Type:Competition, symposium, etc. 

  • ポスター賞審査員

    錯体化学会 第67回討論会  ( Japan ) 2017.9

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    Type:Competition, symposium, etc. 

  • 講演賞審査員

    日本化学会第97春季年会  ( Japan ) 2017.3

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    Type:Competition, symposium, etc. 

  • Screening of academic papers

    Role(s): Peer review

    2017

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:10

  • プログラム編成委員

    錯体化学会 第66回討論会  ( Japan ) 2016.9

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    Type:Competition, symposium, etc. 

  • Screening of academic papers

    Role(s): Peer review

    2016

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:2

  • Screening of academic papers

    Role(s): Peer review

    2015

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    Type:Peer review 

    Number of peer-reviewed articles in foreign language journals:4

  • ポスター賞審査員

    錯体化学会 第60回討論会  ( Japan ) 2010.9

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    Type:Competition, symposium, etc. 

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Research Projects

  • (公財) 池谷科学技術振興財団 研究助成 「ピリジンアンカーによって光増感剤と酸素生成触媒を共吸着した高活性かつ高耐久な酸素生成TiO2フォトアノードの開発」

    2024.4 - 2025.3

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    Authorship:Principal investigator 

  • (公財) ENEOS東燃ゼネラル研究奨励・奨学会 研究助成 「ノンバイアスかつ一段階の可視光励起によって水の完全分解を駆動する分子性光電気化学セルの開発」

    2024.4 - 2025.3

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    Authorship:Principal investigator 

  • (公財) ENEOS東燃ゼネラル研究奨励・奨学会 研究助成 「ノンバイアスかつ一段階の可視光励起によって水の完全分解を駆動する分子性光電気化学セルの開発」

    2024

    (公財) ENEOS東燃ゼネラル研究奨励・奨学会 研究助成 「ノンバイアスかつ一段階の可視光励起によって水の完全分解を駆動する分子性光電気化学セルの開発」

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    Authorship:Principal investigator  Grant type:Contract research

  • (公財) 池谷科学技術振興財団 研究助成 「ピリジンアンカーによって光増感剤と酸素生成触媒を共吸着した高活性かつ高耐久な酸素生成TiO2フォトアノードの開発」

    2024

    (公財) 池谷科学技術振興財団 研究助成 「ピリジンアンカーによって光増感剤と酸素生成触媒を共吸着した高活性かつ高耐久な酸素生成TiO2フォトアノードの開発」

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    Authorship:Principal investigator  Grant type:Contract research

  • 文科省科研費 基盤研究(C) 太陽光による水を電子源とした二酸化炭素還元を目指した分子性光電気化学セルの開発

    2023.4 - 2026.3

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    Authorship:Principal investigator 

  • 太陽光による水を電子源とした二酸化炭素還元を目指した分子性光電気化学セルの開発

    Grant number:23K04779  2023 - 2025

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    小澤 弘宜

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    Authorship:Principal investigator  Grant type:Scientific research funding

    太陽光による水を電子源としたCO2還元反応を達成するためには、太陽光を用いた水の酸化反応とCO2還元反応を同時に駆動することが必要不可欠である。申請者は、CO2還元錯体触媒を化学吸着したTiO2電極を用いることによって、水溶液中においても効率良く電気化学的なCO2還元反応を駆動できることを見出した。本研究課題ではこの反応を光駆動化することを目的として、光増感錯体(PS)とCO2還元錯体触媒を共吸着したTiO2電極(CO2還元TiO2フォトカソード)の開発を行い、太陽光による水を電子源としたCO2還元反応を駆動できる世界初の「白金電極フリーの分子性PEC」の達成を目指す。

    CiNii Research

  • 文科省科研費 国際共同研究強化(B) 「再生可能エネルギー循環系の構築を見据えた人工光合成システムの開発」 International coauthorship

    2022.10 - 2027.3

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    Authorship:Coinvestigator(s) 

  • Development of Artificial Photosynthetic Systems towards Fabricating Renewable Energy Cycles

    Grant number:22KK0074  2022 - 2026

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Fostering Joint International Research (B)

    酒井 健, 小澤 弘宜, 山内 幸正

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    Authorship:Coinvestigator(s)  Grant type:Scientific research funding

    申請代表者(酒井)並びに分担者二名(小澤、山内)は、過去約20年間互いに協力して分子性光触媒反応の基礎と応用研究を精力的に展開してきたが、創成に成功した各種の光分子デバイスにおける光誘起電子移動並びに後続する分子性触媒過程の動作原理に関する情報収集に苦労を強いられてきた。本研究では、申請代表者と同じく人工光合成の研究を長年に渡って展開し、かつ超高速時間分解測定で優れた経験と技能を有する伊メッシーナ大学のSebastiano Campagna教授グループとの共同研究を強力に推進することによって、光エネルギー変換分子システムにおける各種の反応素過程や触媒反応機構を解き明かす。

    CiNii Research

  • 公益財団法人 旭硝子財団 化学・生命分野・研究奨励 ノンバイアスでの水の完全分解を可能にするスペーサー導入型酸素生成触媒の創製

    2020.4 - 2021.3

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    Authorship:Principal investigator 

  • 公益財団法人 双葉電子記念財団 自然科学研究助成 ピリジンアンカーによって機能性分子を修飾した半導体電極からなる分子性光電気化学セルによる太陽光水分解

    2020.4 - 2021.3

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    Authorship:Principal investigator 

  • 公益財団法人 双葉電子記念財団 自然科学研究助成 「ピリジンアンカーによって機能性分子を修飾した半導体電極からなる分子性光電気化学セルによる太陽光水分解」

    2020

    公益財団法人 双葉電子記念財団 自然科学研究助成

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    Authorship:Principal investigator  Grant type:Contract research

  • 公益財団法人 旭硝子財団 化学・生命分野・研究奨励 「ノンバイアスでの水の完全分解を可能にするスペーサー導入型酸素生成触媒の創製」

    2020

    公益財団法人 旭硝子財団 化学・生命分野・研究奨励

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    Authorship:Principal investigator  Grant type:Contract research

  • 公益財団法人 泉科学技術振興財団 研究助成 高効率な光酸素生成反応に向けた2段階励起型フォトアノードの開発

    2019.10 - 2020.9

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    Authorship:Principal investigator 

  • 文科省科研費 基盤研究(C) 二酸化チタンを両極に用いた分子性光電気化学セルによるノンバイアス太陽光水分解

    2019.4 - 2022.3

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    Authorship:Principal investigator 

  • 二酸化チタンを両極に用いた分子性光電気化学セルによるノンバイアス太陽光水分解

    Grant number:19K05502  2019 - 2021

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    小澤 弘宜

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    Authorship:Principal investigator  Grant type:Scientific research funding

    本研究では、錯体色素および酸素生成錯体触媒を修飾したTiO2電極(フォトアノード)と、水素生成錯体触媒を修飾したTiO2電極(カソード)からなる、両極にTiO2を用いた分子性PECにおいて、外部バイアスを必要とせずにアノードからカソードへ高エネルギー電子が移動し、且つカソード上において水素生成反応が進行することを初めて見出した。本研究では、アノード上における光酸素生成反応に着目し、この反応の効率を支配している因子を明らかにすることによって、両極にTiO2を用いた分子性PECにおいてノンバイアスでの太陽光水分解の達成を目指して研究を行う。

    CiNii Research

  • 公益財団法人 泉科学技術振興財団 研究助成 「高効率な光酸素生成反応に向けた2段階励起型フォトアノードの開発」

    2019 - 2020

    公益財団法人 泉科学技術振興財団 研究助成

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    Authorship:Principal investigator  Grant type:Contract research

  • 文科省科研費 新学術領域研究 革新的光物質変換 分子性触媒コンポーネントを融合させた太陽光水分解用光電気化学セルの開発

    2018.4 - 2020.3

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    Authorship:Coinvestigator(s) 

  • 分子性触媒コンポーネントを融合させた太陽光水分解用光電気化学セルの開発

    Grant number:18H05171  2018 - 2019

    Japan Society for the Promotion of Science・Ministry of Education, Culture, Sports, Science and Technology  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid)  Grant type:Scientific research funding

  • 一般社団法人 九州自然エネルギー推進機構 研究助成金 太陽光捕集効率の飛躍的向上を目指した2段階励起型フォトアノードの開発

    2017.10 - 2018.9

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    Authorship:Principal investigator 

  • 一般社団法人 九州自然エネルギー推進機構 研究助成金 「太陽光捕集効率の飛躍的向上を目指した2段階励起型フォトアノードの開発」

    2017

    一般社団法人 九州自然エネルギー推進機構 研究助成金

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    Authorship:Principal investigator  Grant type:Contract research

  • 文科省科研費 基盤研究(C) 超高効率な太陽光水分解反応を可能にする分子性タンデムセルの開発

    2016.4 - 2019.3

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    Authorship:Principal investigator 

  • 超高効率な太陽光水分解反応を可能にする分子性タンデムセルの開発

    Grant number:16K05726  2016 - 2018

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • 九州大学 教育研究プログラム・研究拠点形成プロジェクト 太陽光駆動型水素生成システムの構築に向けた超高性能錯体色素の開発

    2015.4 - 2016.3

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    Authorship:Principal investigator 

  • 太陽光駆動型水素生成システムの構築に向けた超高性能錯体色素の開発

    2015

    九州大学 教育研究プログラム・研究拠点形成プロジェクト

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    Authorship:Principal investigator  Grant type:On-campus funds, funds, etc.

  • 文科省科研費 若手研究(B)  自己共増感型錯体色素の開発とこれを用いた超高性能光電変換デバイスの作製

    2013.4 - 2015.3

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    Authorship:Principal investigator 

  • 財団法人 倉田記念日立科学技術財団 倉田奨励金 短波長増感機能を有する高性能自己共増感型錯体色素の開発

    2013.4 - 2014.3

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    Authorship:Principal investigator 

  • 自己共増感型錯体色素の開発とこれを用いた超高性能光電変換デバイスの作製

    Grant number:25810043  2013 - 2014

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • 公益財団法人 倉田記念日立科学技術財団 倉田奨励金 「短波長増感機能を有する高性能自己共増感型錯体色素の開発」

    2013

    財団法人 倉田記念日立科学技術財団 倉田奨励金

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    Authorship:Principal investigator  Grant type:Contract research

  • 財団法人 池谷科学技術振興財団 研究助成 太陽光駆動型水素生成システムの構築に向けた色素増感TiO2光電極と分子性触媒修飾電極の作製

    2012.4 - 2013.3

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    Authorship:Principal investigator 

  • 財団法人 村田学術振興財団 研究助成 自己共増感型錯体色素の開発とこれを用いた高性能色素増感太陽電池

    2012.4 - 2013.3

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  • 東京理科大学特定研究助成金 奨励研究助成金 色素増感太陽電池の耐久性向上を目指した多点吸着型錯体色素の開発

    2012.4 - 2013.3

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  • 田中貴金属グループ 第13回 貴金属に関わる研究助成金 太陽光エネルギーの高効率光電変換を可能にするダブルアンカー型ルテニウム錯体色素の開発

    2012.4 - 2013.3

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    Authorship:Principal investigator 

  • 公益財団法人 池谷科学技術振興財団 研究助成 「太陽光駆動型水素生成システムの構築に向けた色素増感TiO2光電極と分子性触媒修飾電極の作製」

    2012

    財団法人 池谷科学技術振興財団 研究助成

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    Authorship:Principal investigator  Grant type:Contract research

  • 公益財団法人 村田学術振興財団 研究助成 「自己共増感型錯体色素の開発とこれを用いた高性能色素増感太陽電池」

    2012

    財団法人 村田学術振興財団 研究助成

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    Authorship:Principal investigator  Grant type:Contract research

  • 一般財団法人 田中貴金属記念財団 第13回 貴金属に関わる研究助成金 MMS賞 「太陽光エネルギーの高効率光電変換を可能にするダブルアンカー型ルテニウム錯体色素の開発」

    2012

    田中貴金属グループ 第13回 貴金属に関わる研究助成金

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    Authorship:Principal investigator  Grant type:Contract research

  • 色素増感太陽電池の耐久性向上を目指した多点吸着型錯体色素の開発

    2012

    東京理科大学特定研究助成金 奨励研究助成金

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    Authorship:Principal investigator  Grant type:On-campus funds, funds, etc.

  • 財団法人 イオン工学振興財団 研究助成 太陽光エネルギーの有効利用を可能にするアニオン性錯体色素を用いた高性能色素増感TiO2光電極の作製

    2011.4 - 2012.3

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    Authorship:Principal investigator 

  • 財団法人 クリタ水・環境科学振興財団 研究助成(萌芽的研究) 太陽光エネルギーを用いた水からの高効率水素ガス製造を可能にする高性能錯体色素の開発

    2011.4 - 2012.3

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    Authorship:Principal investigator 

  • 公益財団法人 クリタ水・環境科学振興財団 研究助成(萌芽的研究) 「太陽光エネルギーを用いた水からの高効率水素ガス製造を可能にする高性能錯体色素の開発」

    2011

    財団法人 クリタ水・環境科学振興財団 研究助成(萌芽的研究)

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    Authorship:Principal investigator  Grant type:Contract research

  • 一般財団法人 イオン工学振興財団 研究助成 「太陽光エネルギーの有効利用を可能にするアニオン性錯体色素を用いた高性能色素増感TiO2光電極の作製」

    2011

    財団法人 イオン工学振興財団 研究助成

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    Authorship:Principal investigator  Grant type:Contract research

  • 文科省科研費 若手研究(B) 多重機能を備えた第二世代型光水素発生デバイスの創製

    2010.4 - 2012.3

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    Authorship:Principal investigator 

  • 多重機能を備えた第二世代型光水素発生デバイスの創製

    Grant number:22750057  2010 - 2011

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

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    Authorship:Principal investigator  Grant type:Scientific research funding

  • 単一分子光水素発生デバイスにおける構造活性相関の探求

    2005 - 2006

    Japan Society for the Promotion of Science  Research Fellowships for Young Scientists

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    Authorship:Principal investigator  Grant type:Joint research

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Educational Activities

  • 無機物質化学、無機化学III、無機化学実験,、無機化学特論IIなどを担当

Class subject

  • 無機化学実験

    2024.12 - 2025.2   Winter quarter

  • 無機物質化学Ⅱ

    2024.6 - 2024.8   Summer quarter

  • 無機物質化学Ⅱ

    2024.6 - 2024.8   Summer quarter

  • 無機化学Ⅲ

    2024.4 - 2024.9   First semester

  • 無機物質化学Ⅰ

    2024.4 - 2024.6   Spring quarter

  • 無機化学実験

    2023.12 - 2024.2   Winter quarter

  • 無機化学特論ⅡB

    2023.6 - 2023.8   Summer quarter

  • 無機物質化学Ⅱ

    2023.6 - 2023.8   Summer quarter

  • Advanced Inorganic Chemistry ⅡB

    2023.6 - 2023.8   Summer quarter

  • 無機化学Ⅲ

    2023.4 - 2023.9   First semester

  • 無機化学特論ⅡA

    2023.4 - 2023.6   Spring quarter

  • 無機物質化学Ⅰ

    2023.4 - 2023.6   Spring quarter

  • Advanced Inorganic Chemistry ⅡA

    2023.4 - 2023.6   Spring quarter

  • 無機化学実験

    2022.12 - 2023.2   Winter quarter

  • 無機物質化学Ⅱ

    2022.6 - 2022.8   Summer quarter

  • 化学序説

    2022.4 - 2022.9   First semester

  • 無機化学Ⅲ

    2022.4 - 2022.9   First semester

  • 無機物質化学Ⅰ

    2022.4 - 2022.6   Spring quarter

  • 無機化学実験

    2021.12 - 2022.2   Winter quarter

  • 国際科学特論Ⅳ

    2021.12 - 2022.2   Winter quarter

  • 環境問題と自然科学

    2021.10 - 2022.3   Second semester

  • 無機化学特論ⅡB

    2021.6 - 2021.8   Summer quarter

  • 無機物質化学Ⅱ

    2021.6 - 2021.8   Summer quarter

  • 化学序説

    2021.4 - 2021.9   First semester

  • 無機化学特論Ⅱ(R2以前入学者用)

    2021.4 - 2021.9   First semester

  • 無機化学Ⅲ

    2021.4 - 2021.9   First semester

  • 無機物質化学Ⅰ

    2021.4 - 2021.6   Spring quarter

  • 無機化学実験

    2020.12 - 2021.2   Winter quarter

  • 国際科学特論 Ⅳ

    2020.12 - 2021.2   Winter quarter

  • 無機化学Ⅲ

    2020.4 - 2020.9   First semester

  • 無機物質化学

    2020.4 - 2020.9   First semester

  • 無機化学実験

    2019.10 - 2020.3   Second semester

  • 化学序説

    2019.4 - 2019.9   First semester

  • 無機物質化学

    2019.4 - 2019.9   First semester

  • 無機化学実験

    2018.10 - 2019.3   Second semester

  • 無機物質化学

    2018.4 - 2018.9   First semester

▼display all

FD Participation

  • 2018.3   Role:Participation   Title:化学部門 FD・HD 講演会

    Organizer:Undergraduate school department

Travel Abroad

  • 2009.4 - 2009.9

    Staying countory name 1:Canada   Staying institution name 1:モントリオール大学