Highly Efficient Near‐Infrared Electrofluorescence from a Thermally Activated Delayed Fluorescence Molecule Reviewed

Umamahesh Balijapalli, Ryo Nagata, Nishiki Yamada, Hajime Nakanotani, Masaki Tanaka, Anthony D'Aléo, Virginie Placide, Masashi Mamada, Youichi Tsuchiya, Chihaya Adachi

60 ( 15 )   8477 - 8482   2021.4

Stable pure-blue hyperfluorescence organic light-emitting diodes with high-efficiency and narrow emission Reviewed

Chin-Yiu Chan, Masaki Tanaka, Yi-Ting Lee, Yiu-Wing Wong, Hajime Nakanotani, Takuji Hatakeyama, Chihaya Adachi

Nature Photonics   15 ( 3 )   203 - 207   2021.3

Fast spin-flip enables efficient and stable organic electroluminescence from charge-transfer states Reviewed International journal

Lin Song Cui, Alexander J. Gillett, Shou Feng Zhang, Hao Ye, Yuan Liu, Xian Kai Chen, Ze Sen Lin, Emrys W. Evans, William K. Myers, Tanya K. Ronson, Hajime Nakanotani, Sebastian Reineke, Jean Luc Bredas, Chihaya Adachi, Richard H. Friend

Nature Photonics   14 ( 10 )   636 - 642   2020.10

Nanosecond-time-scale delayed fluorescence molecule for deep-blue OLEDs with small efficiency rolloff Reviewed International journal

Jong Uk Kim, In Seob Park, Chin Yiu Chan, Masaki Tanaka, Youichi Tsuchiya, Hajime Nakanotani, Chihaya Adachi

Nature communications   11 ( 1 )   2020.4

The Role of Reverse Intersystem Crossing Using a TADF-Type Acceptor Molecule on the Device Stability of Exciplex-Based Organic Light-Emitting Diodes Reviewed International journal

Thanh Ba Nguyen, Hajime Nakanotani, Takuji Hatakeyama, Chihaya Adachi

Advanced Materials   32 ( 9 )   2020.1

Slow recombination of spontaneously dissociated organic fluorophore excitons Reviewed International journal

Takahiko Yamanaka, Hajime Nakanotani, Chihaya Adachi

Nature communications   10 ( 1 )   2019.12

Critical role of intermediate electronic states for spin-flip processes in charge-transfer-type organic molecules with multiple donors and acceptors Reviewed International journal

Nature Materials   18 ( 10 )   1084 - 1090   2019.10

Highly efficient thermally activated delayed fluorescence with slow reverse intersystem crossing Reviewed

Hiroki Noda, Hajime Nakanotani, Chihaya Adachi

Chemistry Letters   48 ( 2 )   126 - 129   2019.1

Exploiting Singlet Fission in Organic Light-Emitting Diodes Reviewed

Ryo Nagata, Hajime Nakanotani, William J. Potscavage, Chihaya Adachi

Advanced Materials   30 ( 33 )   2018.8

Excited state engineering for efficient reverse intersystem crossing Reviewed

Hiroki Noda, Hajime Nakanotani, Chihaya Adachi

Science Advances   4 ( 6 )   2018.6

Evidence and mechanism of efficient thermally activated delayed fluorescence promoted by delocalized excited states Reviewed

Takuya Hosokai, Hiroyuki Matsuzaki, Hajime Nakanotani, Katsumi Tokumaru, Tetsuo Tsutsui, Akihiro Furube, Keirou Nasu, Hiroko Nomura, Masayuki Yahiro, Chihaya Adachi

Science advances   3 ( 5 )   2017.5

Near-Infrared Electrophosphorescence up to 1.1 mu m using a Thermally Activated Delayed Fluorescence Molecule as Triplet Sensitizer Reviewed International journal

ADVANCED MATERIALS   29 ( 5 )   2017.2

Benzimidazobenzothiazole-based Bipolar Hosts to Harvest Nearly All of the Excitons from Blue Delayed Fluorescence and Phosphorescent Organic Light-Emitting Diodes Reviewed International journal

Lin-Song Cui, Jong Uk Kim, Hiroko Nomura, Nakanotani Hajime, CHIHAYA ADACHI

Angewandte Chemie International Edition   2016.5

Long-range coupling of electron-hole pairs in spatially separated organic donor-acceptor layers Reviewed International journal

Nakanotani Hajime, Taro Furukawa, Kei Morimoto, CHIHAYA ADACHI

Science Advances   2016.3

Light Amplification in an Organic Solid-State Film with the Aid of Triplet-to-Singlet Upconversion Reviewed International journal

Hajime Nakanotani, Taro Furukawa, Chihaya Adachi

ADVANCED OPTICAL MATERIALS   3 ( 10 )   2015.10

High-Efficiency White Organic Light-Emitting Diodes Based on a Blue Thermally Activated Delayed Fluorescent Emitter Combined with Green and Red Fluorescent Emitters Reviewed International journal

Takahiro Higuchi, Hajime Nakanotani, Chihaya Adachi

ADVANCED MATERIALS   27 ( 12 )   2015.3

Suppression of roll-off characteristics of organic light-emitting diodes by narrowing current injection/transport area to 50 nm Reviewed International journal

Kohei Hayashi, Nakanotani Hajime, Munetomo Inoue, Kou Yoshida, Mikhnenko, Oleksandr, Thuc-Quyen Nguyen, Chihaya Adachi

Appl. Phys. Lett.   106 ( 9 )   2015.3

Highly efficient blue electroluminescence based on thermally activated delayed fluorescence Reviewed International journal

Shuzo Hirata, Yumi Sakai, Kensuke Masui, Hiroyuki Tanaka, Lee Sae Youn, Nomura Hiroko, Nakamura Nozomi, Yasumatsu Mao, Hajime Nakanotani, Zhang Qisheng, Shizu Katsuyuki, Miyazaki Hiroshi, Chihaya Adachi

NATURE MATERIALS   14 ( 3 )   2015.3

Dual enhancement of electroluminescence efficiency and operational stability by rapid upconversion of triplet excitons in OLEDs Reviewed International journal

Taro Furukawa, Hajime Nakanotani, Chihaya Adachi

SCIENTIFIC REPORTS   5   2015.2

High-efficiency organic light-emitting diodes with fluorescent emitters Reviewed International journal

Hajime Nakanotani, Takahiro Higuchi, Taro Furukawa, Kensuke Masui, Kei Morimoto, Masaki Numata, Hiroyuki Tanaka, Yuta Sagara, Takuma Yasuda, CHIHAYA ADACHI

NATURE COMMUNICATIONS   5   2014.5

Promising operational stability of high-efficiency organic light-emitting diodes based on thermally activated delayed fluorescence

Nakanotani, Hajime; Masui, Kensuke; Nishide, Junichi; Shibata, Takumi; Adachi, Chihaya

SCIENTIFIC REPORTS   3   2013.7

Amplified Spontaneous Emission and Electroluminescence from Thiophene/Phenylene Co-Oligomer-Doped p-bis(p-Styrylstyryl)Benzene Crystals Reviewed International journal

Hajime Nakanotani, Chihaya Adachi

ADVANCED OPTICAL MATERIALS   1 ( 6 )   2013.6

Abrupt exciton quenching in blue fluorescent organic light-emitting diodes around turn-on voltage region

Shunta Kakumachi, Thanh Ba Nguyen, Hajime Nakanotani, Chihaya Adachi

Chemical Engineering Journal   2023.9

Multiple donor–acceptor design for highly luminescent and stable thermally activated delayed fluorescence emitters Invited Reviewed International journal

13 ( 1 )   2023.5

Enhancing Triplet-Triplet Upconversion Efficiency and Operational Lifetime in Blue Organic Light-Emitting Diodes by Utilizing Thermally Activated Delayed Fluorescence Materials Invited Reviewed International journal

Nguyen, Thanh B.; Nakanotani, Hajime; Chan, Chin-Yiu; Kakumachi, Shunta; Adachi, Chihaya

ACS APPLIED MATERIALS & INTERFACES   2023.5

Post-Modification of Pyrrolopyrrole Aza-BODIPY toward High Near-Infrared Fluorescence Brightness Invited Reviewed International journal

#Yitong Wang, Shigeki Mori, @Hajime Nakanotani, @Chihaya Adachi, @Soji Shimizu

Organic Letters   25 ( 17 )   3040 - 3044   2023.4

A very low lasing threshold of DABNA derivatives with DFB structures Invited Reviewed International journal

Mamada, Masashi; Maedera, Satoshi; Oda, Susumu; Nguyen, Thanh Ba; Nakanotani, Hajime; Hatakeyama, Takuji; Adachi, Chihaya

MATERIALS CHEMISTRY FRONTIERS   7 ( 2 )   259 - 266   2023.1

Solvent-dependent dual emission processes in charge-transfer excited states of phenothiazine-triphenyltriazine conformers Invited Reviewed International journal

Ryu, Tomohiro; Miyata, Kiyoshi; Saigo, Masaki; Shimoda, Yuushi; Tsuchiya, Youichi; Nakanotani, Hajime; Adachi, Chihaya; Onda, Ken

CHEMICAL PHYSICS LETTERS   809   2022.12

Modulation of Intersystem Crossing Rate Induced by Singlet-triplet Energy Level Alignment in 1,2,3,5-Tetrakis(carbazol-9-yl)-4,6-dicyanobenzene Single Crystals Invited Reviewed International journal

Kohata, Shintaro; Nakanotani, Hajime; Adachi, Chihaya

CHEMISTRY LETTERS   51 ( 10 )   989 - 992   2022.10

Multiple resonance type thermally activated delayed fluorescence by dibenzo [1,4] azaborine derivatives Invited Reviewed International journal

Bae, Jaehyun; Sakai, Mika; Tsuchiya, Youichi; Ando, Naoki; Chen, Xian-Kai; Nguyen, Thanh Ba; Chan, Chin-Yiu; Lee, Yi-Ting; Auffray, Morgan; Nakanotani, Hajime; Yamaguchi, Shigehiro; Adachi, Chihaya

FRONTIERS IN CHEMISTRY   10   2022.9

Tailor-Made Multi-Resonance Terminal Emitters toward Narrowband, High-Efficiency, and Stable Hyperfluorescence Organic Light-Emitting Diodes Invited Reviewed International journal

Lee, Yi-Ting; Chan, Chin-Yiu; Tanaka, Masaki; Mamada, Masashi; Goushi, Kenichi; Tang, Xun; Tsuchiya, Youichi; Nakanotani, Hajime; Adachi, Chihaya

ADVANCED OPTICAL MATERIALS   10 ( 17 )   2022.9

An Overlooked Charge-Transfer Interaction in the Interfacial Triplet-Triplet Upconversion Process in Blue Organic Light-Emitting Diodes Invited Reviewed International journal

Thanh Ba Nguyen, Hajime Nakanotani, Chihaya Adachi

ADVANCED OPTICAL MATERIALS   10 ( 18 )   2022.9

Highly Efficient Deep-Blue Organic Light-Emitting Diodes Based on Rational Molecular Design and Device Engineering Invited Reviewed International journal

Mamada, Masashi; Katagiri, Hiroshi; Chan, Chin-Yiu; Lee, Yi-Ting; Goushi, Kenichi; Nakanotani, Hajime; Hatakeyama, Takuji; Adachi, Chihaya

ADVANCED FUNCTIONAL MATERIALS   32 ( 32 )   2022.8

Carbazole-2-carbonitrile as an acceptor in deep-blue thermally activated delayed fluorescence emitters for narrowing charge-transfer emissions Invited Reviewed International journal

Chan, Chin-Yiu; Lee, Yi-Ting; Mamada, Masashi; Goushi, Kenichi; Tsuchiya, Youichi; Nakanotani, Hajime; Adachi, Chihaya

CHEMICAL SCIENCE   13 ( 26 )   7821 - 7828   2022.7

Efficiency of Thermally Activated Delayed Fluorescence Sensitized Triplet Upconversion Doubled in Three-Component System Reviewed

Brett Yurash, Alana Dixon, Carolina Espinoza, Alexander Mikhailovsky, Sangmin Chae, Hajime Nakanotani, Chihaya Adachi, Thuc-Quyen Nguyen

Advanced Materials   34 ( 5 )   2103976   2021.11

2,6-Dicarbonitrile Diphenyl-1 lambda(5)-Phosphinine (DCNP)-A Robust Conjugated Building Block for Multi-Functional Dyes Exhibiting Tunable Amplified Spontaneous Emission Invited Reviewed International journal

Balijapalli, Umamahesh; Tang, Xun; Okada, Daichi; Lee, Yi-Ting; Karunathilaka, Buddhika S. B.; Auffray, Morgan; Tumen-Ulzii, Ganbaatar; Tsuchiya, Youichi; Sandanayaka, Atula S. D.; Matsushima, Toshinori; Nakanotani, Hajime; Adachi, Chihaya

ADVANCED OPTICAL MATERIALS   9 ( 21 )   2021.11

Direct Observation of Photoexcited Electron Dynamics in Organic Solids Exhibiting Thermally Activated Delayed Fluorescence via Time-Resolved Photoelectron Emission Microscopy Invited Reviewed International journal

Fukami, Yusuke; Iwasawa, Masato; Sasaki, Masahiro; Hosokai, Takuya; Nakanotani, Hajime; Adachi, Chihaya; Fukumoto, Keiki; Yamada, Yoichi

ADVANCED OPTICAL MATERIALS   9 ( 19 )   2021.10

Tetrabenzo[a,c]phenazine Backbone for Highly Efficient Orange-Red Thermally Activated Delayed Fluorescence with Completely Horizontal Molecular Orientation Invited Reviewed International journal

Balijapalli, Umamahesh; Lee, Yi-Ting; Karunathilaka, Buddhika S. B.; Tumen-Ulzii, Ganbaatar; Auffray, Morgan; Tsuchiya, Youichi; Nakanotani, Hajime; Adachi, Chihaya

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   60 ( 35 )   19364 - 19373   2021.8

Investigating HOMO Energy Levels of Terminal Emitters for Realizing High‐Brightness and Stable TADF‐Assisted Fluorescence Organic Light‐Emitting Diodes Reviewed

Yi‐Ting Lee, Chin‐Yiu Chan, Masaki Tanaka, Masashi Mamada, Umamahesh Balijapalli, Youichi Tsuchiya, Hajime Nakanotani, Takuji Hatakeyama, Chihaya Adachi

7 ( 4 )   2001090 - 2001090   2021.4

Amplified spontaneous emission from oligo(p-phenylenevinylene) derivatives Reviewed

Masashi Mamada, Hajime Nakanotani, Chihaya Adachi

Materials Advances   2   3906 - 3914   2021.4

Thermally Activated Delayed Fluorescence Properties of Trioxoazatriangulene Derivatives Modified with Electron Donating Groups Reviewed

Advanced Optical Materials   2002174 - 2002174   2021.3

Isotope Effect of Host Material on Device Stability of Thermally Activated Delayed Fluorescence Organic Light‐Emitting Diodes Reviewed

2000057 - 2000057   2021.2

Thermally-activated delayed fluorescence for light-emitting devices Invited Reviewed

Hajime Nakanotani, Youichi Tsuchiya, Chihaya Adachi

Chemistry Letters   2021.1

Precise Exciton Management of Quaternary Emission Layers for Highly Stable Organic Light-Emitting Diodes Based on Thermally Activated Delayed Fluorescence Reviewed

Masaki Tanaka, Ryo Nagata, Hajime Nakanotani, Chihaya Adachi

ACS Applied Materials & Interfaces   12 ( 45 )   50668 - 50674   2020.11

H2O-Induced Crystallization of Organic Luminescent Thin Films by Direct Film Storage in a High Vacuum Reviewed

Takuya Hosokai, Taiyo Nakanishi, Akinori Honda, Kouki Akaike, Ryohei Tsuruta, Hiroshi Itoh, Hajime Nakanotani, Yasuo Nakayama

The Journal of Physical Chemistry C   124 ( 45 )   24919 - 24929   2020.11

Role of Spontaneous Orientational Polarization in Organic Donor–Acceptor Blends for Exciton Binding Reviewed International journal

8   2020.10

Near-infrared absorbing pyrrolopyrrole aza-BODIPY-based donor-acceptor polymers with reasonable photoresponse Reviewed

Ru Feng, Narumi Sato, Mayuka Nomura, Akinori Saeki, Hajime Nakanotani, Chihaya Adachi, Takuma Yasuda, Hiroyuki Furuta, Soji Shimizu

Journal of Materials Chemistry C   8 ( 26 )   8770 - 8776   2020.7

Molecular Design Based on Donor-Weak Donor Scaffold for Blue Thermally-Activated Delayed Fluorescence Designed by Combinatorial DFT Calculations Reviewed

Youichi Tsuchiya, Keita Tsuji, Ko Inada, Fatima Bencheikh, Yan Geng, H. Shaun Kwak, Thomas J.L. Mustard, Mathew D. Halls, Hajime Nakanotani, Chihaya Adachi

Frontiers in Chemistry   8   2020.5

Understanding degradation of organic light-emitting diodes from magnetic field effects Reviewed International journal

M. Tanaka, R. Nagata, H. Nakanotani, C. Adachi

communications materials   1   2020.4

Utilization of Multi-Heterodonors in Thermally Activated Delayed Fluorescence Molecules and Their High Performance Bluish-Green Organic Light-Emitting Diodes Reviewed International journal

Umamahesh Balijapalli, Masaki Tanaka, Morgan Auffray, Chin Yiu Chan, Yi Ting Lee, Youichi Tsuchiya, Hajime Nakanotani, Chihaya Adachi

ACS Applied Materials and Interfaces   12 ( 8 )   9498 - 9506   2020.2

Molecular orientation of disk-shaped small molecules exhibiting thermally activated delayed fluorescence in host-guest films Reviewed International journal

Masaki Tanaka, Hiroki Noda, Hajime Nakanotani, Chihaya Adachi

Applied Physics Letters   116 ( 2 )   2020.1

Observation of Nonradiative Deactivation Behavior from Singlet and Triplet States of Thermally Activated Delayed Fluorescence Emitters in Solution Reviewed International journal

Naoto Notsuka, Hajime Nakanotani, Hiroki Noda, Kenichi Goushi, Chihaya Adachi

Journal of Physical Chemistry Letters   11 ( 2 )   562 - 566   2020.1

TADF activation by solvent freezing The role of nonradiative triplet decay and spin-orbit coupling in carbazole benzonitrile derivatives Reviewed

T. Hosokai, Hajime Nakanotani, S. Santou, H. Noda, Y. Nakayama, Chihaya Adachi

Synthetic Metals   252   62 - 68   2019.6

Effect of Carrier Balance on Device Degradation of Organic Light-Emitting Diodes Based on Thermally Activated Delayed Fluorescence Emitters Reviewed

Masaki Tanaka, Hiroki Noda, Hajime Nakanotani, Chihaya Adachi

Advanced Electronic Materials   5 ( 5 )   2019.5

Suppression of Structural Change upon S ₁ -T ₁ Conversion Assists the Thermally Activated Delayed Fluorescence Process in Carbazole-Benzonitrile Derivatives Reviewed

Masaki Saigo, Kiyoshi Miyata, Sei'Ichi Tanaka, Hajime Nakanotani, Chihaya Adachi, Ken Onda

Journal of Physical Chemistry Letters   10 ( 10 )   2475 - 2480   2019.5

Photoluminescence Quenching Probes Spin Conversion and Exciton Dynamics in Thermally Activated Delayed Fluorescence Materials Reviewed

Brett Yurash, Hajime Nakanotani, Yoann Olivier, David Beljonne, Chihaya Adachi, Thuc Quyen Nguyen

Advanced Materials   31 ( 21 )   2019.5

Photostable and highly emissive glassy organic dots exhibiting thermally activated delayed fluorescence Reviewed

Youichi Tsuchiya, Koudai Ikesue, Hajime Nakanotani, Chihaya Adachi

Chemical Communications   55 ( 36 )   5215 - 5218   2019.1

High-triplet-energy Bipolar Host Materials Based on Phosphine Oxide Derivatives for Efficient Sky-blue Thermally Activated Delayed Fluorescence Organic Light-emitting Diodes with Reduced Roll-off Reviewed

Jong Uk Kim, Michael Y. Wong, Shiv Kumar, Oliver G. Hayes, Finlay Duncan, Chin Yiu Chan, Ben Yiu Wing Wong, Hao Ye, Lin Song Cui, Hajime Nakanotani, Eli Zysman-Colman, Chihaya Adachi

Chemistry Letters   48 ( 10 )   1225 - 1228   2019.1

Efficient and stable sky-blue delayed fluorescence organic light-emitting diodes with CIEy below 0.4 Reviewed

Chin Yiu Chan, Masaki Tanaka, Hajime Nakanotani, Chihaya Adachi

Nature communications   9 ( 1 )   2018.12

The Importance of Excited-State Energy Alignment for Efficient Exciplex Systems Based on a Study of Phenylpyridinato Boron Derivatives Reviewed

Masashi Mamada, Guojian Tian, Hajime Nakanotani, Jianhua Su, Chihaya Adachi

Angewandte Chemie - International Edition   57 ( 38 )   12380 - 12384   2018.9

Solvent-dependent investigation of carbazole benzonitrile derivatives Does the le3 - CT1 energy gap facilitate thermally activated delayed fluorescence? Reviewed

Takuya Hosokai, Hiroki Noda, Hajime Nakanotani, Takanori Nawata, Yasuo Nakayama, Hiroyuki Matsuzaki, Chihaya Adachi

Journal of Photonics for Energy   8 ( 3 )   2018.7

Well-ordered films of disk-shaped thermally activated delayed fluorescence molecules Reviewed

Yuri Hasegawa, Hayato Minami, Satoru Kanada, Yoichi Yamada, Masahiro Sasaki, Takuya Hosokai, Hajime Nakanotani, Chihaya Adachi

Journal of Photonics for Energy   8 ( 3 )   2018.7

Rational Molecular Design for Deep-Blue Thermally Activated Delayed Fluorescence Emitters Reviewed

Chin Yiu Chan, Lin Song Cui, Jong Uk Kim, Hajime Nakanotani, Chihaya Adachi

Advanced Functional Materials   28 ( 11 )   2018.3

Well-Ordered 4CzIPN ((4s,6s)-2,4,5,6-Tetra(9-H-carbazol-9-yl)isophthalonitrile) Layers Molecular Orientation, Electronic Structure, and Angular Distribution of Photoluminescence Reviewed

Y. Hasegawa, Y. Yamada, M. Sasaki, T. Hosokai, Hajime Nakanotani, Chihaya Adachi

Journal of Physical Chemistry Letters   9 ( 4 )   863 - 867   2018.2

Trifluoromethane modification of thermally activated delayed fluorescence molecules for high-efficiency blue organic light-emitting diodes Reviewed

Masayuki Yokoyama, Ko Inada, Youichi Tsuchiya, Hajime Nakanotani, Chihaya Adachi

Chemical Communications   54 ( 59 )   8261 - 8264   2018.1

Donor–σ–Acceptor Motifs Thermally Activated Delayed Fluorescence Emitters with Dual Upconversion Reviewed

56 ( 52 )   16536 - 16540   2017.12

Long-lived efficient delayed fluorescence organic light-emitting diodes using n-type hosts Reviewed

Lin Song Cui, Shi Bin Ruan, Fatima Bencheikh, Ryo Nagata, Lei Zhang, Ko Inada, Hajime Nakanotani, Liang Sheng Liao, Chihaya Adachi

Nature Communications   8 ( 1 )   2017.12

Thermally activated delayed fluorescence of Bis(9,9-dimethyl-9,10-dihydroacridine) dibenzo[b,d]thiophene 5,5-dioxide derivatives for organic light-emitting diodes Reviewed

Jong Uk Kim, Saripally Sudhaker Reddy, Lin Song Cui, Hiroko Nomura, Sunbin Hwang, Dae Hyeon Kim, Hajime Nakanotani, Sung Ho Jin, Chihaya Adachi

Journal of Luminescence   190   485 - 491   2017.10

Highly Efficient Thermally Activated Delayed Fluorescence from an Excited-State Intramolecular Proton Transfer System Reviewed

Masashi Mamada, Ko Inada, Takeshi Komino, William J Potscavage, Hajime Nakanotani, Chihaya Adachi

ACS Central Science   3 ( 7 )   769 - 777   2017.7

Near-infrared organic light-emitting diodes for biosensing with high operating stability Reviewed

Takahiko Yamanaka, Hajime Nakanotani, Shigeo Hara, Toru Hirohata, Chihaya Adachi

Applied Physics Express   10 ( 7 )   2017.7

Light Amplification in Molecules Exhibiting Thermally Activated Delayed Fluorescence Reviewed

Hajime Nakanotani, Taro Furukawa, Takuya Hosokai, Takuji Hatakeyama, Chihaya Adachi

Advanced Optical Materials   5 ( 12 )   2017.6

Controlling Singlet-Triplet Energy Splitting for Deep-Blue Thermally Activated Delayed Fluorescence Emitters Reviewed International journal

Lin-Song Cui, Hiroko Nomura, Yan Geng, Uk Jong, Nakanotani Hajime, CHIHAYA ADACHI

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   56 ( 6 )   1571 - 1575   2017.2

Molecular design for blue thermal activated delayed fluorescence materials Substitution position effect Reviewed

Yan Geng, Lin Song Cui, Jong Uk Kim, Hajime Nakanotani, Chihaya Adachi

Chemistry Letters   46 ( 10 )   1490 - 1492   2017.1

Application of wide-energy-gap material 3,4-di(9H-carbazol-9-yl)benzonitrile in organic light-emitting diodes Reviewed International journal

Yuya Tanaka, Takehiro Takahashi, Junichi Nishide, Yasuhide Hiraga, Nakanotani Hajime, CHIHAYA ADACHI

THIN SOLID FILMS   619   120 - 124   2016.11

Color Tuning of Avobenzone Boron Difluoride as an Emitter to Achieve Full-Color Emission Reviewed International journal

ADVANCED FUNCTIONAL MATERIALS   26 ( 37 )   6703 - 6710   2016.10

Boron Difluoride Complexes of Expanded N-Confused Calix[n]phyrins That Demonstrate Unique Luminescent and Lasing Properties Invited Reviewed International journal

Masatoshi Ishida, Toshihiro Omagari, Ryuji Hirosawa, Keisuke Jono, Young Mo Sung, Yuhsuke Yasutake, Hidemitsu Uno, Motoki Toganoh, Nakanotani Hajime, Susumu Fukatsu, Dongho Kim, Hiroyuki Furuta

Angew.Chem. Int. Ed.   55   12045 - 12049   2016.9

Magnesium-gold binary alloy for organic light-emitting diodes with high corrosion resistance Reviewed International journal

Hiroya Arai, Nakanotani Hajime, CHIHAYA ADACHI

Journal of Vacuum Science and Technology   2016.5

Quantification of temperature rise in unipolar organic conductors during short voltage-pulse excitation using electrical testing methods Reviewed International journal

ORGANIC ELECTRONICS   31   191 - 197   2016.4

Thermally activated delayed fluorescence from pentacarbazorylbenzonitrile Reviewed International journal

Shuho Tanimoto, Takatsugu Suzuki, Nakanotani Hajime, CHIHAYA ADACHI

Chem. Lett.   2016.4

Introduction of oxygen into organic thin films with the aim of suppressing singlet-triplet annihilation Reviewed International journal

Munetomo Inoue, Toshinori Matsushima, Nakanotani Hajime, Chihaya Adachi

Chem. Phys. Lett.   624   2015.3

Controlled emission color and singlet-triplet energy gap of dihydrophenazine-based thermally activated delayed fluorescence emitters Reviewed International journal

Jiyoung Lee, Katsuyuki Shizu, Hiroyuki Tanaka, Hajime Nakanotani, Takuma Yasuda, Hironori Kaji, Chihaya Adachi

J. Mater. Chem. C   3   2015.1

Highly efficient blue electroluminescence based on thermally activated delayed fluorescence Reviewed

Shuzo Hirata, Yumi Sakai, Kensuke Masui, Hiroyuki Tanaka, Sae Youn Lee, Hiroko Nomura, Nozomi Nakamura, Mao Yasumatsu, Hajime Nakanotani, Qisheng Zhang, Katsuyuki Shizu, Hiroshi Miyazaki, Chihaya Adachi

Nature Materials   14 ( 3 )   330 - 336   2015.1

Analysis of exciton annihilation in high-efficiency sky-blue organic light-emitting diodes with thermally activated delayed fluorescence Reviewed International journal

Kensuke Masui, Hajime Nakanotani, Chihaya Adachi

ORGANIC ELECTRONICS   14 ( 11 )   2013.11

High-efficiency organic light-emitting diodes with blue fluorescent emitter

Takahiro Higuchi, Hajime Nakanotani, Chihaya Adachi

Optical Society of America (OSA)  2014.11 

Light-Emitting Organic Crystal Field-Effect Transistors for Future Organic Injection Lasers

Hajime Nakanotani, Chihaya Adachi

Wiley-VCH  2013.1 

近赤外有機EL素子の進展 Invited

中野谷 一

有機デバイス・物性院生研究会  2023.10 

青色蛍光OLEDの駆動電圧付近で生じる急激な励起消滅過程

角町 駿太, Thanh Ba Nguyen, 中野谷 一, 安達 千波矢

第84回 応用物理学会 秋季学術講演会  2023.9 

Research on Anti-Stokes Luminescence in Thermally Activated Delayed Fluorescence Molecules

2023.9 

Enhancing TTU-OLED performances by utilizing TADF Materials

#Thanh Ba Nguyen, @Hajime Nakanotani, @Chin-Yiu Chan, #Shunta Kakumachi, @Chihaya Adachi

2023.6 

Enhancing OLEDs Lifetime by Expanding CT Interface with TADF Assistant Dopant

#Nguyen Ba Thanh, @Hajime Nakanotani, @Chihaya Adachi

The 70th JSAP Spring Meeting 2023  2023.3 

Deep-Blue Thermally Activated Delayed Fluorescence Emitters Aimed at Narrow Fluorescence-like Emission

@Chin-Yiu Chan,@Yi-Ting Lee,@Masashi Mamada,@Kenichi Goushi,@Youichi Tsuchiya,@Hajime Nakanotani,@Chihaya Adachi

2022.5 

Excited-state structural dynamics and thermally activated delayed fluorescence in solid-state for donor-acceptor type molecules International conference

#Masaki Saigou, @Kiyoshi Miyata, @Hajime Nakanotani, @Chihaya Adachi, @Ken Onda

ICSM 2022  2022.7 

Characterization of excited states in TADF molecules with dual emission using time-resolved infrared spectroscopy International conference

#Tomohiro Ryu, @Yuushi Shimoda, #Masaki Saigou, @Ryota Fukuda, @Kiyoshi Miyata, @Upuichi Tsuchiya, @Hajime Nakanotani, @Chihaya Adachi, @Ken onda

ICSM 2022  2022.7 

1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene単結晶の光物性

#木幡真太郎, @中野谷一, @安達千波矢

日本化学会九州支部大会  2022.7 

弱アクセプター構造を用いた深青TADF 材料の創出とOLED 特性

@儘田正史, @片桐洋史, @Chan Chin-Yiu, @Lee Yi-Ting, @合志憲一, @中野谷 一, @畠山琢次, @安達千波矢

光化学討論会  2022.9 

Highly efficient invisible electroluminescence from organic light-emitting diodes Invited

Hajime Nakanotani

2023.3 

Photophysical property of 4CzIPN single crystal

#Kohata Shintaro, @Nakanotani Hajime, @Adachi Chihaya

1st Q-PIT photofunction integration workshop  2023.2 

有機薄膜中での自発的な励起子解離現象とその応用 Invited

中野谷 一

第71回高分子討論会  2022.9 

Spontaneous dissociation of charge-transfer type excitons in organic solid-state films Invited

Hajime Nakanotani

2022.3 

有機分子における項間交差過程の理解と有機EL素子への応用 Invited

中野谷一

日本学術振興会第142委員会第77回研究会(C部会研究会)  2017.10 

Excited state engineering for efficient RISC process Invited

Hajime Nakanotani

2017.9 

高性能有機光デバイスのための分子デザイン Invited

中野谷一

第78回応用物理学会秋季学術講演会  2017.9 

熱活性化遅延蛍光分子を利用する高性能有機エレクトロルミネッセンスデバイス Invited

中野谷一

第66回高分子学会年次大会  2017.5 

High efficiency organic light-emitting diodes based on a TADF molecules combined with fluorescence emitters Invited International conference

Nakanotani Hajime

The 15th International Symposium on the Science and Technology of Lighting  2016.5 

Highly Efficient Organic Light-Emitting Diodes Exploiting Thermally Activated Delayed Fluorescence Invited International conference

Nakanotani Hajime

9th International Symposium on Organic Molecular Electronics  2016.5 

High efficiency organic light-emitting diodes with conventional fluorescent emitters

Hajime Nakanotani, Chihaya Adachi

Solid-State and Organic Lighting, SOLED 2014  2014.11 

High Efficiency Organic Light-Emitting Diodes with Fluorescent Emitters Invited International conference

Hajime Nakanotani

Taiwan Solid State Lighting Symposium  2015.3 

Screening of academic papers

Role(s)： Peer review

2020

運営委員 International contribution

2019.8

論文委員・座長

有機ＥＬ討論会第２８回例会  （ 東京国際交流館「国際交流会議場」 ） 2019.6

Screening of academic papers

Role(s)： Peer review

2019

Screening of academic papers

Role(s)： Peer review

2018

座長

有機ＥＬ討論会第２５回例会  （ 北海道大学 ） 2017.11

座長

第78回応用物理学会秋季学術講演会  （ 福岡国際会議場 ） 2017.9

座長

有機ＥＬ討論会第２４回例会  （ ＮＨＫ放送技術研究所内技研ホール ） 2017.6

座長（Chairmanship）

第64回応用物理学会春季学術講演会  2017.3

Screening of academic papers

Role(s)： Peer review

2017

座長（Chairmanship）

有機ＥＬ討論会第２３回例会  2016.11

座長（Chairmanship）

第77回応用物理学会秋季学術講演会  2016.9

座長（Chairmanship）

応用物理学会  （ 名古屋 ） 2015.9

座長（Chairmanship）

有機EL討論会第２０回例会  2015.6

励起子生成効率２００％を示す近赤外有機EL素子の創成

Grant number：18H02047  2018 - 2020

日本学術振興会  科学研究費助成事業  基盤研究(B)

耐環境性を有する有機EL素子の創成

Grant number：16K21211  2016 - 2018

科学研究費助成事業  若手研究(B)

内部量子効率100%を示す蛍光性有機EL素子の創成

Grant number：26810110  2014 - 2016

科学研究費助成事業  若手研究(B)

JST ERATO　安達分子エキシトン工学プロジェクト 2013.12～2018.03

2013.12 - 2019.3

(IUPE)Physical Chemistry III

2023.10 - 2023.12   Fall quarter

応用化学A

2023.6 - 2023.8   Summer quarter

応用化学実験第二

2023.4 - 2023.9   First semester

自然科学総合実験

2023.4 - 2023.6   Spring quarter

量子化学演習

2022.12 - 2023.2   Winter quarter

量子化学

2022.12 - 2023.2   Winter quarter

物質科学工学実験第三

2022.10 - 2023.3   Second semester

応用化学実験第一

2022.10 - 2023.3   Second semester

応用化学A

2022.10 - 2022.12   Fall quarter

Organic Solid State Photophysics

2022.4 - 2022.9   First semester

有機固体光電子物性

2022.4 - 2022.9   First semester

量子化学演習

2021.12 - 2022.2   Winter quarter

Physical Chemistry B

2021.10 - 2022.3   Second semester

量子化学第二

2021.6 - 2021.8   Summer quarter

知的財産学

2021.4 - 2022.3   Full year

知的財産学

2021.4 - 2022.3   Full year

量子化学演習

2020.12 - 2021.2   Winter quarter

Physical Chemistry B

2020.10 - 2021.3   Second semester

自然科学総合実験（発展）

2020.6 - 2020.8   Summer quarter

量子化学第二

2020.6 - 2020.8   Summer quarter

知的財産学

2020.4 - 2021.3   Full year

Organic Solid State Photophysics

2020.4 - 2020.9   First semester

有機固体光電子物性

2020.4 - 2020.9   First semester

量子化学演習

2019.12 - 2020.2   Winter quarter

自然科学総合実験（発展）

2019.12 - 2020.2   Winter quarter

Physical Chemistry B

2019.10 - 2020.3   Second semester

量子化学第二

2019.6 - 2019.8   Summer quarter

知的財産学

2019.4 - 2020.3   Full year

知的財産学

2019.4 - 2020.3   Full year

量子化学演習

2018.10 - 2019.3   Second semester

Physical Chemistry B

2018.10 - 2018.12   Fall quarter

自然科学総合実験

2018.6 - 2018.8   Summer quarter

知的財産学

2018.4 - 2019.3   Full year

知的財産学

2018.4 - 2019.3   Full year

光機能化学

2018.4 - 2018.9   First semester

Organic Solid State Photophysics

2018.4 - 2018.9   First semester

有機固体光電子物性

2018.4 - 2018.9   First semester

量子化学第二

2018.4 - 2018.9   First semester

自然科学総合実験

2017.12 - 2018.2   Winter quarter

量子化学演習

2017.10 - 2018.3   Second semester

分析化学演習

2017.10 - 2018.3   Second semester

Physical Chemistry B

2017.10 - 2017.12   Fall quarter

知的財産学

2017.4 - 2018.3   Full year

量子化学第二

2017.4 - 2017.9   First semester

知的財産学

2017.4 - 2017.9   First semester

物理化学B

2016.10 - 2017.3   Second semester

自然科学総合実験

2016.4 - 2016.9   First semester

量子化学第二

2016.4 - 2016.9   First semester

有機固体光電子物性

2016.4 - 2016.9   First semester

化学英語

2015.10 - 2016.3   Second semester

物理化学B

2015.10 - 2016.3   Second semester

自然科学総合実験

2015.4 - 2015.9   First semester