Yasushi Okumura | Last modified date:2023.08.31 |
Associate Professor /
Nano-organization
Department of Integrated Materials
Institute for Materials Chemistry and Engineering
Department of Integrated Materials
Institute for Materials Chemistry and Engineering
Graduate School
Undergraduate School
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Homepage
https://kyushu-u.pure.elsevier.com/en/persons/yasushi-okumura
Reseacher Profiling Tool Kyushu University Pure
Phone
092-583-7788
Fax
092-583-8902
Academic Degree
Dr of Eng
Country of degree conferring institution (Overseas)
No
Field of Specialization
Polymer Physics, Supramolecular Science
Total Priod of education and research career in the foreign country
00years00months
Research
Research Interests
Membership in Academic Society
- Visualization of polymer orientation in liquid crystal/polymer composite systems by confocal microscopy
keyword : Lliquid crystal/polymer composite systems, confocal microscope
2022.04~2024.03. - Creation of polymer-stabilized blue phase using ferroelectric nematic liquid crystal
keyword : polymer-stabilized blue phase, ferroelectric nematic liquid crystal
2020.04~2022.03. - Visualization of orientation vector in ferroelectric nematic liquid crystal by confocal microscope
keyword : ferroelectric nematic liquid crystal, confocal microscope
2021.06~2023.03. - Dielectric elastomer actuator using ferroelectric nematic liquid crystal
keyword : Dielectric elastomer actuator, ferroelectric nematic liquid crystal
2020.04~2024.03. - Development of Liquid Crystal/Polymer weak anchoring surface for device applications
keyword : Liquid Crystal/Polymer weak anchoring surface
2019.04~2021.03. - Control of phase separation structure and electro-optic effect of liquid crystal / siloxane polymer composite
keyword : liquid crystal / siloxane polymer composite
2019.04~2021.03. - Visualization of ion conduction by confocal microscope and its application to highly polar liquid crystal
keyword : highly polar liquid crystal
2019.04~2021.03. - Visualization of ion conduction by confocal microscope and its application to highly polar liquid crystal
keyword : ion conduction
2019.04~2021.03. - 3D observation of phase separation structure and liquid crystal director in liquid crystal/polymer composite material
keyword : liquid crystal/polymer composite material
2018.04~2020.03. - Material design and creation of substrate interface showing weak anchoring to external field response of liquid crystal
keyword : weak anchoring
2018.04~2020.03. - Three-dimensional observation of polymer and liquid crystal director in highly oriented liquid crystal / polymer composite films which show electro-optical transparency-turbidity switching
keyword : highly oriented liquid crystal / polymer composite film
2018.04~2020.03. - Optimization of polymer fraction of polymer-stabilized liquid crystal blue phase and observation of polymer distribution state
keyword : polymer-stabilized liquid crystal blue phase
2018.04~2020.03. - Dielectric relaxation measurement of a highly polar liquid crystal compound
with dioxane unit
keyword : highly polar liquid crystal
2018.04~2020.03. - Anchoring properties of Liquid Crystal / Polymer Slippery Interfaces and Application to Polymer Stabilized Blue Phases
keyword : Liquid Crystal / Polymer Slippery Interface
2016.04~2018.03. - Control of interface anchoring using nano-fractal structure
keyword : nano-fractal structure
2016.04~2018.03. - Application of polymer stabilized blue phase to tunable filter
keyword : polymer stabilized blue phase
2016.04~2018.03. - Development of liquid crystal piezoelectric-like transducer based on flexoelectric effect and Slippery surface
keyword : flexoelectric effect
2016.04~2018.03. - Size effect on electro-optical properties in aqueous dispersion of inorganic nanosheets
keyword : electro-optic effect, inorganic nanosheet
2015.04~2017.03. - Micro-distribution of Electro-optical Properties in Polymer-Stabilized Blue Phases
keyword : Polymer-Stabilized Blue Phase
2015.04~2017.03. - Large electro-optic effects in dilute aqueous dispersions of inorganic nanosheets
keyword : electro-optic effect, inorganic nanosheet
2014.04~2016.03. - Systematic evaluation of relationship between electro-optical effect and polymer aggregation structures in polymer-stabilized blue phase by gradient-stabilization cell
keyword : Polymer stabilized blue phase, electro-optical effect
2014.04~2016.03. - Observation of Polymer structure in Polymer-Stabilized Blue Phase
keyword : Polymer-Stabilized Blue Phase
2013.04~2017.03. - Rectification mechanism in ion ratchet pump with porous polymer membranes
keyword : Electroosmotic pump
2014.04~2017.03. - Electroosmotic pump driven by alternating current using asymmetric porous polymeric membrane
keyword : Electroosmotic pump
2013.04~2015.03. - Observation of phase transition behavior and electro-optical effect in liquid crystal blue phases with high chirality by UV polarizing optical microscope
keyword : Blue phase
2013.04~2015.03. - Efficient optimization of stabilization condition of polymer-stabilized blue phase
using gradient stabilization cell
keyword : Polymer stabilized blue phase, electro-optical effect
2012.05~2014.03. - Observation of lattice structures in liquid crystalline blue phases by confocal laser scanning microscope
keyword : liquid crystalline blue phase, confocal laser scanning microscope
2011.08~2014.03. - Development of electroosmotic pump driven by alternating current using porous polymeric membrane
keyword : electroosmotic pump
2011.04~2013.03. - Development of novel biomimetic soft matter complex system.
keyword : Soft matter, polymer, Emulsion, liquid crystal, gel
2009.08. - Study of active transfer of guest molecules in sliding host gel
keyword : cyclodextrin, supramolecule, sliding host
2008.05~2010.03. - topological gel (slide-ring gel)
keyword : topological gel (slide-ring gel)
1999.12~2006.09. - Self-assembling supramolecular systems of molecular nanotubes and polymer chains.
keyword : Cyclodextrin, Supramolecule
1995.09~1999.11.
Reports
Papers
Presentations
- Japanese Liquid Crystal Society
- The Society of Polymer Science, Japan (SPSJ)
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