Imura Kohei

イムラコウヘイ | Imura Kohei

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://www.chem.waseda.ac.jp/imura/

Research field (2)： Basic physical chemistry , Nanostructure chemistry

Research keywords (1)：近接場光学・プラズモン・分子分光学・超高速分解分光・表面増強ラマン散乱・コロイド・クラスター化学・分子衝突・軌道間相互作用・気相分子衝突動力学

Research theme for competitive and other funds (27)：

2023 - 2027 光場制御と強結合によるナノ光増強場の高度化と機能開拓
2023 - 2025 超螺旋光によるナノキラル光場の創成とその可視化
2022 - 2024 Optical properties control of advanced functional nanomaterials using spatially selective chemical reactions
2020 - 2024 Active control of photo-excited states and energy propagation with manipulated optical fields
2020 - 2022 Visualization and optical control of electromagnetic resonances in mesostructures

2015 - 2019 Advancement and network formation of the project Photosynergetics by international collaboration

2014 - 2019 Application of Cooperative Excitation into Innovative Molecular Systems with High-Order Photofunctions

2016 - 2019 Spatio-temporal coherent control of excited states in metal nanostructures and its application to control of light propagation

2014 - 2018 Advanced Function Control of Photochemical Reactions Using Mesoscopic Structures

2014 - 2017 Control of Molecular Recognition by Light-induced Force and Development of Ultrafast Highly-sensitive Biosensor

2016 - 2017 Development of advanced cathode-luminescence microscope

2010 - 2015 Spatio-temporal characteristics and control of coupled excited states in nano-dot arrays

2014 - 2015 Development of near-field refection microspectroscope

2012 - 2015 Spatio-temporal control of photo-excited states in nanoparticle assemblies

2013 - 2014 プラズモニックメタマテリアルのナノ分光研究

2012 - 2013 Development of single molecule absorption spectroscopy

2010 - 2011 Visualization of plasmon wave functions by a scanning tunneling electron microscop

2007 - 2010 Dynamic visualization and control of photochemical reaction fields based on near-field spectroscopic imaging

2006 - 2009 Wavefunctions and excited-state dynamics of nanoparticle systems

2006 - 2009 表面増強ラマン散乱の分光評価に関する研究

2006 - 2008 Development of a novel ultrafast near-field optical method having spatio-temporal control functions for excitation and detection

2006 - 2008 ナノ構造体に関する近接場イメージング

2005 - 2006 近接場分光法による素励起の波動関数のイメージング

2004 - 2005 メゾスコピック領域における金微粒子を用いた空間的エネルギー伝播の直接観測

2004 - 2005 Molecular Science of Excitation Transfer Dynamics by Dynamic Near-Field Spectroscopy

2005 - プラズモンの可視化に関する研究

1998 - 1999 大極不均一電場法によりサイズと構造を選別した分子クラスターの立体ダイナミクス研究

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Papers (112)：

Seiju Hasegawa, Masatoshi Kanoda, Mamoru Tamura, Kota Hayashi, Shiho Tokonami, Takuya Iida, Kohei Imura. Plasmon dephasing time and optical field enhancement in a plasmonic nanobowl substrate studied by scanning near-field optical microscopy. The Journal of Chemical Physics. 2024. 161. 5. 054713
Masafumi Fukata, Hiroki Shirayama, Kohei Imura. Development of Absorption and Scattering Microspectroscopy Using a Phase-Stepping Method. Journal of Physical Chemistry C. 2024. 128. 8. 3370-3376
Keiko Tawa, Takeha Shinohara, Yasunori Nawa, Seiju Hasegawa, Kohei Imura. Nanoantenna Effect at the Center of the Bull’s Eye Pattern by Controlling the Refractive Indices and Layer Thicknesses of Dielectric Media on a Silver Surface. The Journal of Physical Chemistry C. 2024. 128. 7. 3011-3018
Seiju Hasegawa, Honoka Ichikawa, Kohei Imura. Selective Excitation of Dark Plasmon Modes Using Cylindrical Vector Beams Studied by Microscopic Imaging of Nonlinear Photoluminescence. The Journal of Physical Chemistry C. 2024. 128. 6. 2536-2542
Shun Ogata, Kohei Imura. Optical properties of multilayer MoS2 modified with thermal and shape transformation by laser irradiation. Chemical Physics Letters. 2023. 831

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MISC (212)：

長谷川誠樹, 林ひな, 井村考平. Light Confinement of CsPbBr₃ Microplates Studied by Near-Field Imaging. 日本化学会春季年会講演予稿集(Web). 2023. 103rd
篠原洸羽, 名和靖矩, 長谷川誠樹, 井村考平, 田和圭子. Plasmon resonance condition dependence of nano-antenna enhancement effect at the center of Bull’s eye plasmonic chip. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
長谷川誠樹, 市川帆乃香, 井村考平. Nonlinear Photoluminescence Properties of Gold Nanoplates Studied by Azimuthally and Radially Polarized Light Excitation. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
林直哉, 川嶋健哉, 井村考平. Microscopic study on photoinduced spectral changes of gold nanorods. 分子科学討論会講演プログラム&要旨(Web). 2023. 17th
甲斐亨, 長谷川誠樹, 井村考平. Study on plasmon-exciton interaction in gold nanorod-MoS<sub>2</sub> hybrid structure. 分子科学討論会講演プログラム&要旨(Web). 2023. 17th

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Patents (2)：

発光体の製造方法,発光体,真偽判別体,メモリ媒体,及びマスクパターン形成方法
近接場分光装置

Lectures and oral presentations (225)：

金およびシリコンナノ粒子における近接場分光特性と光キラル場の評価
(応用物理学会秋期年会 2023)
Nonlinear photoluminescence from gold nanoplates excited by cylindrical vector beam
(The 31st International Conference on Photochemistry 2023)
Linear and nonlinear optical properties of gold nanoparticle assembly prepared by laser manipulation
(The 31st International Conference on Photochemistry 2023)
Visualization and selective excitation of plasmon modes in two-dimensional metal nanoplates studied by near-field and non-linear optical microscopy
(The 31st International Conference on Photochemistry 2023)
Space-selective polymerization of organic molecules in single microcrystals by electron beam irradiation
(The 31st International Conference on Photochemistry 2023)

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Professional career (1)：

博士(理学) (大阪大学)

Committee career (10)：

2020/09 - 現在分子科学会幹事
2014 - 現在日本分光学会代議員
2016/04 - 2018/03 応用物理学会代議員
2016/04 - 2018/03 日本化学会物理化学ディビジョン幹事
2016/04 - 日本化学会講演企画小委員会委員

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Awards (6)：

2013/07 - 日本学術振興会特別研究員等審査会専門委員表彰
2012/04 - 文部科学大臣表彰若手科学者賞
2007/11 - 日本分光学会奨励賞
2007/03 - 光科学技術研究振興財団研究表彰
2007/03 - 日本化学会進歩賞

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Association Membership(s) (6)：

JAPAN SOCIETY FOR MOLECULAR SCIENCE , Society of Nano Science and Technology , THE JAPAN SOCIETY OF APPLIED PHYSICS , THE SPECTROSCOPICAL SOCIETY OF JAPAN , THE CHEMICAL SOCIETY OF JAPAN , Optical Society of America

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