山本・櫛田研究室

発表論文

2025年

Fluidic Molecular Dynamics and Energy Relaxation Pathways in Solution-State Electronic Strong Coupling Using a High-Mode-Number Cavity

Soh Kushida,* Kuidong Wang, Marcus Seidel, Yohei Yamamoto, Cyriaque Genet, Thomas W. Ebbesen

J. Phys. Chem. Lett. 2025, accepted.

Ultrafast Energy Transfer Induced Lasing From a Coplanar Donor-Acceptor-Donor Molecule in a Microspherical Cavity

Vishal Kumar*, Soh Kushida, Takeru Inoue, Keisuke Iwata, Hiroshi Yamagishi, Hayato Tsuji*, Yohei Yamamoto*

Adv. Funct. Mater. 2025, 2502545.WEB

2024年

Study of the Selection Rules of Molecular Polaritonic Transitions by Two-Photon Absorption Spectroscopy

Kuidong Wang, Weijian Tao, Kalaivanan Nagarajan, Soh Kushida, Kulangara Sandeep, Cyriaque Genet, and Thomas W. Ebbesen

J. Phys. Chem. C 2024, 128, 10534−10541.WEB

Near-unity angular anisotropy of circularly polarized luminescence from microspheres of monodispersed chiral conjugated polymer

Sota Nakayama, Hiroshi Yamagishi,* Osamu Oki, Soh Kushida, Junhui Chen, Junpei Kuwabara, Takaki Kanbara, Wijak Yospanya, Reiko Oda, Yohei Yamamoto*

Chem. Commun. 2024, 60, 7634-7637.WEB

2023

Impact of Plasmonic and Dielectric Substrates on the Whispering-Gallery Modes in Self-Assembled Fluorescent Semiconductor Polymer Microspheres

Zhan-Hong Lin, Soh Kushida, Fan-Cheng Lin, Jhih-Yuan Chen, Ankit Kumar Singh, Yohei Yamamoto, Jer-Shing Huang*

Nano Lett. 2023, 23, 6512–6519.WEB

Self-assembled π-Conjugated Organic/Polymeric Microresonators and Microlasers (Award Account)

Yohei Yamamoto*, Soh Kushida, Daichi Okada, Osamu Oki, Hiroshi Yamagishi, Hendra

Bull. Chem. Soc. Jpn. 2023, 96, 702–709. WEB

（Selected as Inside Cover

2021年

Supramolecular assembly of conjugated polymers under vibrational strong coupling

Kripa Joseph, Soh Kushida, Emanuel Smarsly, Dris Ihiawakrim, Anoop Thomas, Gian Lorenzo Paravicini-Bagliani, Kalaivanan Nagarajan, Robrecht Vergauwe, Eloise Devaux, Ovidiu Ersen, Uwe H. F. Bunz, Thomas W. Ebbesen*

Angew. Chem. Int. Ed. 2021, 60, 19665-19670.WEB

Fast Response Organic Supramolecular Transistors Utilizing In‐Situ π‐Ion Gels

Soh Kushida,* Emanuel Smarsly, Irene Wacker, Yohei Yamamoto, Rasmus R. Schröder, Uwe H. F. Bunz*

Adv. Mater. 2021, 33, 2006061.WEB筑波大学プレスリリース

2019年

Nanosphere Formation of π-Conjugated Dendrimers by Simple Precipitation Method

Ken Albrecht, Ken Minagawa, Sae Nakajima, Soh Kushida, Yohei Yamamoto, Akiyoshi Kuzume, Kimihisa Yamamoto

Chem. Lett. 2019, 48, 1240-1243.WEB

Conjugated copolymers of poly(arylenevinylene)s: synthesis by ring-opening metathesis polymerization, film morphology, and resonant luminescence from microspheres

Yen-Jen Lin, Hsin-Yu Chiang, Osamu Oki, Soh Kushida, Shih-Ting Chiu, Shu-Wei Chang, Yohei Yamamoto,* Takuya Hosokai, Masaki Horie*

ACS Appl. Polym. Mater. 2019, 1, 2240-2248.WEB

Significant Enhancement of Hole Transport Ability in Conjugated Polymer/Fullerene Bulk Heterojunction Microspheres

Amandeep Jindal, Hiroaki Kotani, Soh Kushida, Akinori Saeki, Takahiko Kojima, Yohei Yamamoto*

ACS Appl. Polym. Mater. 2019, 1, 118-123.WEB

2018年

Dipole Switchable Poly(para‐phenyleneethynylene)s: Ferroelectric Conjugated Polymers

Soh Kushida, Emanuel Smarsly, Irene Wacker, Rasmus Schröder, Osamu Oki, Yohei Yamamoto, Christian Melzer, Uwe Heiko Bunz*

Angew. Chem. Int. Ed. 2018, 57, 17019–17022.WEB

A fluorescent microporous crystalline dendrimer discriminates vapour molecules

Sae Nakajima, Ken Albrecht, Soh Kushida, Eiji Nishibori, Takashi Kitao, Takashi Uemura, Kimihisa Yamamoto, Uwe H. F. Bunz, Yohei Yamamoto*

Chem. Commun. 2018, 54, 2534–2537.WEB

（Highlighted in Nature INDEX）

FRET-mediated near infrared whispering gallery modes: studies on the relevance of intracavity energy transfer with Q-factor

Osamu Oki, Soh Kushida, Annabel Mikosch, Kota Hatanaka, Youhei Takeda, Satoshi Minakata, Junpei Kuwabara, Takaki Kanbara, Thang D. Dao, Satoshi Ishii, Tadaaki Nagao, Alexander J. C. Kuehne, Felix Deschler, Richard H. Friend, Yohei Yamamoto*

Mater. Chem. Front. 2018, 2, 270–274.WEB

Times Cited: 25

2017年

From Linear to Foldamer and Assembly: Hierarchical Transformation of a Coplanar Conjugated Polymer into a Microsphere

Soh Kushida, Osamu Oki, Hitoshi Saito, Junpei Kuwabara, Takaki Kanbara, Motomichi Tashiro, Michio Katouda, Yutaka Imamura, Yohei Yamamoto

J. Phys. Chem. Lett. 2017, 8, 4580-4586.WEB

Low-Threshold Whispering Gallery Mode Lasing from Self-Assembled Microspheres of Single-Sort Conjugated Polymers

Soh Kushida, Daichi Okada, Fumio Sasaki, Zhan-Hong Lin, Jer-Shing Huang, Yohei Yamamoto

Adv. Opt. Mater. 2017, 5, 1700123/1–7.WEB

（Selected as Inside Cover）

Times Cited: 51

Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications

Yohei Yamamoto, Daichi Okada, Soh Kushida, Zakarias Seba Ngara, Osamu Oki

J. Vis. Exper. (JoVE) 2017, e55934.WEB

2016年

Conjugated Polymer Blend Microspheres for Efficient, Long-Range Light Energy Transfer

Soh Kushida, Daniel Braam, Thang Duy Dao, Hitoshi Saito, Kosuke Shibasaki, Satoshi Ishii, Tadaaki Nagao, Akinori Saeki, Junpei Kuwabara, Takaki Kanbara, Masashi Kijima, Axel Lorke, Yohei Yamamoto

ACS Nano 2016, 10, 5543–5549.WEB

Times Cited: 43

Optically induced mode splitting in self-assembled, high quality-factor conjugated polymer microcavities

Daniel Braam, Soh Kushida, Robert Niemöller, Günther Prinz, Hitoshi Saito, Takaki Kanbara, Junpei Kuwabara, Yohei Yamamoto, Axel Lorke

Sci. Rep. 2016, 6, 19635/1–6.WEB

Self-assembled polycarbazole microspheres as single-component, white-colour resonant photoemitters

Soh Kushida, Shinnosuke Okabe, Thang D. Dao, Satoshi Ishii, Tadaaki Nagao, Akinori Saeki, Masashi Kijima, Yohei Yamamoto

RSC Adv. 2016, 6, 52854–52857.WEB

Enwrapping Conjugated Polymer Microspheres with Graphene Oxide Nanosheets

Yusuke Aikyo, Soh Kushida, Daniel Braam, Junpei Kuwabara, Takahiro Kondo, Takaki Kanbara, Junji Nakamura, Axel Lorke, Yohei Yamamoto

Chem. Lett. 2016, 45, 1024–1026.WEB

（Selected as “Editor’s Choice”）

2015年

Whispering Gallery Resonance from Self-Assembled Microspheres of Highly Fluorescent Isolated Conjugated Polymers

Soh Kushida, Daniel Braam, Chengjun Pan, Thang Dao, Kenichi Tabata, Kazunori Sugiyasu, Masayuki Takeuchi, Satoshi Ishii, Tadaaki Nagao, Axel Lorke, Yohei Yamamoto

Macromolecules 2015, 48, 3928–3933.WEB

Times Cited: 41

Whispering Gallery Mode Photoemission from Self-Assembled Poly-para-phenylenevinylene Microspheres (Proceeding)

Soh Kushida, Daniel Braam, Axel Lorke, Yohei Yamamoto

AIP Conf. Proc. ICCMSE 2015, 1702, 090046/1–4.WEB

2014年

Self-Assembled Conjugated Polymer Spheres as Fluorescent Microresonators

Kenichi Tabata, Daniel Braam, Soh Kushida, Liang Tong, Junpei Kuwabara, Takaki Kanbara, Andreas Beckel, Axel Lorke, Yohei Yamamoto

Sci. Rep. 2014, 4, 5902/1–5.WEB

Times Cited: 74

Tetramethylbithiophene in π-Conjugated Alternating Copolymers as Effective Structural Component for the Formation of Spherical Assemblies

Liang Tong, Soh Kushida, Junpei Kuwabara, Takaki Kanbara, Noriyuki Ishii, Akinori Saeki, Shu Seki, Seiichi Furumi, Yohei Yamamoto

Polym. Chem. 2014, 5, 3583–3587.WEB

（Selected as “Back Cover”）