山本・山岸研究室

2024年

Single-crystal CsPbBr3 based Vertical Cavity Surface Emitting Laser

Shunya Aoyagi, Zhan Su, Gouen Weng, Shoujie Ye, Fuyi Cao, Cong Wang, Xiaobo Hu, Yohei Yamamoto, Shaoqiang Chen

Opt. Lett. 2024, accepted

Optically Pumped and Electrically Switchable Microlaser Array Based on Elliptic Deformation and Q-Attenuation of Organic Droplet Oscillators

Masato Kato, Junnosuke Miyagawa, Shun-ichiro Noguchi, Naoki Takada, Soumei Baba, Satoshi Someya, Ankit Kumar Singh, Jer-Shing Huang, Yohei Yamamoto, Hiroshi Yamagishi*

Adv. Mater. 2024, in pressWEB

A van der Waals porous crystal featuring conformational flexibility and permanent porosity for ultrafast water release

Kentaro Maejima, Heishun Zen, Hiroyasu Sato, Eiji Nishibori, Tomoya Enjou, Youhei Takeda, Satoshi Minakata, Eri Hisamura, Ken Albrecht, Yuka Ikemoto, M. Carmen Ruiz Delgado, Yohei Yamamoto,* Hiroshi Yamagishi*

Commun. Chem. 2024, 7:282WEB

Spontaneous Formation of π-Conjugated Polymeric Colloidal Molecules Through Stepwise Coacervation and Symmetric Compartmentalization

Osamu Oki,* Shun-ichiro Noguchi, Sota Nakayama, Hiroshi Yamagishi, Junpei Kuwabara, Takaki Kanbara, Yohei Yamamoto*

Small 2024, acceptedWEB

Coexistence of the Radial-Guided Mode and WGM in Azimuthal-Grating-Integrated Microring Lasers

Jinghan ChenAbdul Nasir, Adrian AbaziAlexander Eich, Alejandro Sánchez-Postigo, Harunobu Takeda, Yuya Mikami, Naoya Tate, Yuji Oki, Yohei Yamamoto, Carsten Schuck, Hiroaki Yoshioka*

ACS Photonics 2024, 11, 5110–5117WEB

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

Supramolecular methodologies for the assembly of optical microresonators from functional organic materials

Hiroshi Yamagishi*

Polym. J. 2024, 56, pages 887–894.WEB

Functional oligo- and polypeptide assemblies for photochemical, optical and electronic applications

Yohei Yamamoto*, Wey Yih Heah, Kentaro Tashiro*

Mater. Horiz. 2024, 11, 3203-3212WEB

（Selected as Inside Cover）

Hyaluronic acid microresonators for memorable humidity sensing

Hsin-Yen Liao, Wey Yih Heah, Suharman, Hiroshi Yamagishi, Yohei Yamamoto*

Chem. Lett. 2024, 53, upae078WEB

Keratin Microspheres as Promising Tool for Targeting Follicular Growth

Meriem Bejaoui, Wey Yih Heah, Aprill Kee Oliva Mizushima, Mitsutoshi Nakajima, Hiroshi Yamagishi, Yohei Yamamoto*, and Hiroko Isoda*

ACS Appl. Bio Mater. 2024, 7, 1513–1525.WEB

（Selected as Inside Cover）

Microstructured organic cavities with high-reflective flat reflectors fabricated by using a nanoimprint-bonding process

Takuya Enna, Yuji Adachi, Tsukasa Hirao, Shun Takahashi, Yohei Yamamoto, and Kenichi Yamashita*

Adv. Opt. Mater. 2024, 12, 2302956WEB

人を巻き込むための情報発信

山本 洋平

「金属」　トピックス「研究における情報発信」　pp60–65. (2024.11.1)

ポリマー球体およびイオン液滴マイクロ光共振器による高感度センシング

山本 洋平

「有機半導体の開発と最新動向」第31章　シーエムシー出版　pp324–332. (2024.3.1)WEB

2023年

Poly(lactic acid) stereocomplex microspheres as thermally tolerant optical resonators

Suharman, Wey Yih Heah, Hiroshi Yamagishi, Yohei Yamamoto*

Nanoscale 2023, 15, 19062–19068WEB

Inclusion of dye in cyclodextrin for isotropically radiative robust droplet laser toward lens-free remote optical detection

Noriharu Tanji, Junnosuke Miyagawa, Yohei Yamamoto, Takuya Nakashima, Hiroshi Yamagishi*

Chem Lett. 2023, 52, 696–699.WEB

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

Pathway Complexity in Nanotubular Supramolecular Polymerization: Metal–Organic Nanotubes with a Planar-Chiral Monomer

Yingluo Zhao, Hiroko Kawano, Hiroshi Yamagishi*, Saya Otake, Yoshimitsu Itoh, Hubiao Huang, E. W. Meijer, and Takuzo Aida*

J. Am. Chem. Soc. 2023, 145, 25, 13920–13928. 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

Machine learning of organic solvents reveals an extraordinary axis in Hansen space as indicator of spherical precipitation of polymers

Yuta Ihara, Hiroshi Yamagishi*, Masanobu Naito, Yohei Yamamoto*

Aggregate 2023, 4, e365. WEB

Molecular and Supramolecular Designs of Organic/Polymeric Micro Photoemitters for Advanced Optical and Laser Applications (Account Paper)

Yohei Yamamoto*, Hiroshi Yamagishi, Jer-Shing Huang, Axel Lorke

Acc. Chem. Res. 2023, 56, 1469–1481. WEB

Selected as Inside Cover

Solvent-Dependent Growth of Rigid Styrylstilbene Dicarboxylic Acid Microcrystals as Bent Waveguides and Microlasers

Dasari Venkatakrishnarao,* Shunya Hasebe, Yasunobu Egawa, Jinal Tapar, Ramón Paniagua-Domínguez, Chit Siong Lau, Hiroshi Yamagishi, Hayato Tsuji,* Yohei Yamamoto*

Adv. Photon. Res. 2023, 2200357 WEB

Pneumatically Tunable Droplet Microlaser

Hiroshi Yamagishi*, Keitaro Fujita, Yuya Mikami, Hiroaki Yoshioka, Yuji Oki, Naoki Takada, Zhan-Hong Lin, Jer-Shing Huang, Yohei Yamamoto*

Laser Photon. Rev. 2023, 2200874. WEB筑波大学プレスリリース

Degradable Optical Resonator as in situ Micro-probes for Microscopy-based Observation of Enzymatic Hydrolysis

Akihide Takeuchi, Wey Yih Heah, Yohei Yamamoto*, Hiroshi Yamagishi*

Chem. Commun. 2023, 59, 1477–1480. WEB

Micrometer-Scale Optical Web Made of Spider Dragline Fibers with Optical Gate Operations

Hendra, Hiroshi Yamagishi, Wey Yih Heah, Ali D. Malay, Keiji Numata, Yohei Yamamoto*

Adv. Opt. Mater. 2023, 2202563 WEB

Optical Control of Aggregation Induced Emission Shift by Photoisomerizable Precipitant in a Liquid Droplet Microresonator

Shuai Zhao, Hiroshi Yamagishi, Yasuo Norikane, Shotaro Hayashi, Yohei Yamamoto*

Adv. Opt. Mater. 2023, 2202134 WEB

Hydrothermal crosslinking of poly(fluorenylamine) with styryl side chains to produce insoluble fluorescent microparticles

Yuuta Ihara, Hiroshi Yamagishi, Chen Lin, Cang-He Jhu, Meng-Che Tsai, Masaki Horie, Yohei Yamamoto*

Polym. J. 2023, 55, 547–553. WEB

Professor Takuzo Aida – A Visionary Leader in Polymer Science

Seunghyun Sim, Nobuhiko Hosono, Zhang Wei, Donglin Jiang, Yohei Yamamoto

J. Polym. Sci. 2023, accepted WEB

協奏的に成長するお椀型有機キラルマイクロ結晶

大木 理、山岸　洋、山本 洋平

月刊「化学」 2023, 58(2), pp48–52.

キラルなお椀型マイクロ単結晶の一斉成長

大木 理、山岸　洋、山本 洋平

サイエンスに載った日本人研究者2022 2023, p32.

2022年

Functions and fundamentals of porous molecular crystals sustained by labile bonds

Hiroshi Yamagishi*

Chem. Commun. 2022, 58, 11887–11897 WEB

（Selected as Front Cover）

Synchronous assembly of chiral skeletal single-crystalline microvessels

Osamu Oki, Hiroshi Yamagishi,* Yasuhiro Morisaki, Ryo Inoue, Kana Ogawa, Nanami Miki, Yasuo Norikane, Hiroyasu Sato, Yohei Yamamoto*

Science 2022, 377, 673-678. WEB筑波大学プレスリリース

Times Cited: 21

Nanoporous Fluorescent Microresonators for Non-wired Sensing of Volatile Organic Compounds down to the ppb Level

Noriharu Tanji, Hiroshi Yamagishi,* Keitaro Fujita, Yohei Yamamoto*

ACS Appl. Polym. Mater. 2022, 4, 1065-1070.WEB

（Selected as Inside Cover）

Mechanically Flexible and Optically Tunable Organic Crystal Resonator

Shuai Zhao, Hiroshi Yamagishi, Osamu Oki, Yuta Ihara, Naoki Ichiji, Atsushi Kubo, Shotaro Hayashi,* Yohei Yamamoto*

Adv. Opt. Mater. 2022, 2101808.WEB

Times Cited: 32

光機能性ポリマー球体光共振器の連結・配列による光学メタマテリアルの開発

山本 洋平、山岸　洋

「メタマテリアルの設計、作製と新材料、デバイス開発への応用」第3章　第3節（株）技術情報協会 2022.3, pp90–100.

2021年

Solvophobicity-directed assembly of microporous molecular crystals

Hiroshi Yamagishi,* Monika Tsunoda, Kohei Iwai, Kowit Hengphasatporn, Yasuteru Shigeta, Hiroyasu Sato, Yohei Yamamoto

Commun. Chem. 2021, 4, 122.WEB

（Selected as “2021 Editor’s Highlight”）

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

Polymer Optical Microcavity Sensor for Volatile Organic Compounds with Distinct Selectivity toward Aromatic Hydrocarbons

Airong Qiagedeer, Hiroshi Yamagishi*, Shotaro Hayashi, Yohei Yamamoto*

ACS Omega 2021, 6, 21066-21070. WEB

Silk Fibroin Microspheres as Optical Resonators for Wide Range Humidity Sensing and Biodegradable Lasers

Wey Yih Heah, Hiroshi Yamagishi, Keitaro Fujita, Megumi Sumitani, Yuya Mikami, Hiroaki Yoshioka, Yuji Oki, Yohei Yamamoto*

Mater. Chem. Front. 2021, 5, 5653-5657.WEB

（Selected as Front Cover）

Photochemically Switchable Interconnected Microcavities for All-organic Optical Logic Gate

Hendra, Akihide Takeuchi, Hiroshi Yamagishi, Osamu Oki, Masakazu Morimoto, Masahiro Irie, and Yohei Yamamoto*

Adv. Funct. Mater. 2021, 2103685.WEB

Robust Angular Anisotropy of Circularly Polarized Luminescence from a Single Twisted-bipolar Polymeric Microsphere

Osamu Oki, Chidambar Kulkarni, Hiroshi Yamagishi, Stefan C. J. Meskers, Zhan-Hong Lin, Jer-Shing Huang, E. W. Meijer, Yohei Yamamoto*

J. Am. Chem. Soc. 2021, 143, 8772-8779.WEB筑波大学プレスリリース

Times Cited: 39

Long-wavelength Visible to Near Infrared Photoluminescence from Carbon-bridged Styrylstilbene and Thiadiazole Conjugates in Organic and Aqueous Media

Takeru Inoue, Makoto Tsurui, Hiroshi Yamagishi, Yuma Nakazawa, Naoto Hamaguchi, Shoya Watanabe, Yuichi Kitagawa, Yasuchika Hasegawa, Yohei Yamamoto, Hayato Tsuji*

RSC Adv. 2021, 11, 6008-6013.WEB

Fluorescence switchable conjugated polymer microdisk arrays by cosolvent vapor annealing

Hiroshi Yamagishi, Tokiya Matsui, Yusuke Kitayama, Yusuke Aikyo, Liang Tong, Junpei Kuwabara, Takaki Kanbara, Masakazu Morimoto, Masahiro Irie, Yohei Yamamoto*

Polymers 2021, 13(2), 269/1-9.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

Highly sensitive humidity sensor based on aggregation-induced emission luminogen-appended hygroscopic polymer microresonator

Airong Qiagedeer, Hiroshi Yamagishi, Minami Sakamoto, Hanako Hasebe, Fumitaka Ishiwari, Takanori Fukushima and Yohei Yamamoto*

Mater. Chem. Front. 2021, 5, 799-803.WEB

A novel porous molecular crystal that caries its color in response to the change in surrounding humidity

Hiroshi Yamagishi, Yohei Yamamoto

SPring-8 SACLA Research Frontiers 2020, 82-83

生体を模倣した人工眼球の構築 ―半球状の網膜作製の進展―

山本 洋平

月刊「化学」トピックス 2021, 76(2), 68-69.

2020年

Sigmoidally hydrochromic molecular porous crystal with rotatable dendrons

Hiroshi Yamagishi, Sae Nakajima, Jooyoung Yoo, Masato Okazaki, Youhei Takeda,* Satoshi Minakata, Ken Albrecht,* Kimihisa Yamamoto, Irene Badia Dominguez, Maria Oliva, M. Carmen Ruiz Delgado, Yuka Ikemoto, Hiroyasu Sato, Kenta Imoto, Kosuke Nakagawa, Hiroko Tokoro, Shin-ichi Ohkoshi, and Yohei Yamamoto*

Commun. Chem. 2020, 3: 118. WEB筑波大学プレスリリース

（Behind the paper, posted in Chemistry Community）

Optical microresonator arrays of fluorescence-switchable diarylethenes with unreplicable spectral fingerprints

Daichi Okada, Zhan-Hong Lin, Jer-Shing Huang, Osamu Oki, Masakazu Morimoto, Xuying Liu, Takeo Minari, Satoshi Ishii, Tadaaki Nagao, Masahiro Irie, Yohei Yamamoto*

Mater. Horiz. 2020, 7, 1801-1808.WEB筑波大学プレスリリース

（Behind the paper, posted in “Inside Back Cover”）
（Selected as “Horizons Community Board collection”）

Times Cited: 36

Single-crystalline Optical Microcavities from Luminescent Dendrimers

Kohei Iwai, Hiroshi Yamagishi,* Colin Hertzberger, Yuji Sato, Hayato Tsuji, Ken Albrecht, Kimihisa Yamamoto, Fumio Sasaki, Hiroyasu Sato, Aswin Asaithambi, Axel Lorke, Yohei Yamamoto*

Angew. Chem. Int. Ed. 2020, 59, 12674-12679.WEB筑波大学プレスリリース

Facile light-initiated radical generation from 4-substituted pyridine under ambient conditions

Ami Nakayama, Haru Kimata, Kazuhiro Marumoto, Yohei Yamamoto and Hiroshi Yamagishi*

Chem. Commun. 2020, 56, 6937-6940.WEB

（Selected as “Back Cover”）

Detection of boson peak and fractal dynamics of disordered systems using terahertz spectroscopy

Tatsuya Mori,* Yue Jiang, Yasuhiro Fujii, Suguru Kitani, Hideyuki Mizuno, Akitoshi Koreeda, Leona Motoji, Hiroko Tokoro, Kentaro Shiraki, Yohei Yamamoto, Seiji Kojima

Phys. Rev. E 2020, 102, 022502.筑波大学プレスリリース

Liquid Polymer Eutectic Mixture for Integrated Extractive-Oxidative Desulfurization of Fuel Oil: An Optimization study via Response Surface Methodology

Mohd. Faridzuan Majid, Hayyiratul Fatimah Mohd Zaid, Chong Fai, Kait, Khairulazhar Jumbri, Jun Wei Lim, Asiah Nusaibah Masri, Siti Musliha, Mat Ghani, Hiroshi Yamagishi, Yohei Yamamoto, Brian Yuliarto

Processes 2020, 8, 848.

Molecular Simulation of the Stability and Adsorption Properties of Ionic Liquids/IRMOF-1 Hybrid Composite for Selective H2S/CO2 Capture

Mohd Adil Iman Ishak, Khairulazhar Jumbri, Shaari Dau, Mohd Basyaruddin Abdul Rahmand, Yohei Yamamoto

J. Hazard. Mater. 2020, 399, 123008.

BioPerine Encapsulated Nanoformulation for Overcoming Drug-Resistant Breast Cancers

Sindhu Pillai, Ankita Borah, Amandeep Jindal, Eden Jacob, Yohei Yamamoto, Sakthi Kumar

Asian J. Pharm. Sci. 2020, 15, 701-712.WEB

Synthesis and Characterization of Citrus-derived Pectin nanoparticles based on their degree of esterification

Eden Mariam Jacob, Ankita Borah, Amandeep Jindal, Sindhu C. Pillai, Yohei Yamamoto, Toru Maekawa, D. Sakthi Kumar

J. Mater. Res. 2020, 35, 1514-1522.

（Selected as “Cover”）

class="publication_timescited">Times Cited: 20

2019年

Spatially resolved investigation of the defect states in methylammonium lead iodide perovskite bicrystals

Svetlana Sirotinskaya, Christian Fettkenhauer, Daichi Okada, Yohei Yamamoto, Doru Lupascu, Roland Schmechel, Niels Benson

J. Mater. Chem. C 2019, 7, 13156-13160WEB

Excellent Oxygen Reduction Reaction Performance in Self-Assembled Amyloid-β/Platinum Nanoparticle Hybrids with Effective Platinum-Nitrogen Bond Formation

Amandeep Jindal, Kentaro Tashiro, Hiroki Kotani, Toshiaki Takei, Sven Reichenberger, Galina Marzun, Stephan Barcikowski, Takahiko Kojima, Yohei Yamamoto*

ACS Appl. Energy Mater. 2019, 2, 6536-6541.WEB

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

Modulation of Whispering Gallery Modes from Fluorescent Copolymer Microsphere Resonators by Protonation/Deprotonation

Zakarias S. Ngara, Yohei Yamamoto*

Chem. Lett. 2019, 48, 607-610.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

Carbazole-Dibenzofuran Dyads as Metal-Free Single-Component White-Color Photoemitters

Kenichi Tabata, Tetsuya Yamada, Hiroshi Kita, Yohei Yamamoto*

Adv. Funct. Mater. 2019, 29, 1805824.WEB

Polychromatic Photoluminescence of Polymorph Boron Dipyrromethene Crystals and Heterostructures

Aswin Asaithambi,* Daichi Okada, Günther Prinz, Hiroyasu Sato, Akinori Saeki, Takashi Nakamura, Tatsuya Nabeshima, Yohei Yamamoto, Axel Lorke

J. Phys. Chem. C 2019, 123, 5061-5066.WEB

（Selected as Cover Picture）

Energy Transfer-Assisted Whispering Gallery Mode Lasing in Conjugated Polymer/Europium Hybrid Microsphere Resonators

Zakarias S. Ngara, Daichi Okada, Osamu Oki, Yohei Yamamoto*

Chem. Asian J. 2019, 14, 1637-1641.WEB

Optical Microresonators from π-Conjugated Polymers

Yohei Yamamoto

Light-active functional organic materials, Chapter 3, pp57-74, Jenny Stanford Publishing 2019.

Simple is beauty 高耐熱性なのに自己修復する一次元多孔質有機結晶

山岸 洋、相田 卓三

現代化学 2019, 577, 45–49.

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

Self-assembly of lattices with high structural complexity from a geometrically simple molecule

Hiroshi Yamagishi,* Hiroshi Sato, Akihiro Hori, Yohei Sato, Ryotaro Matsuda, Kenichi Kato, Takuzo Aida

Science 2018, 361, 1242–1246.WEB

Times Cited: 61

π-Electronic Co-crystal Microcavities with Selective Vibronic-Mode Light Amplification: Toward Förster Resonance Energy Transfer Lasing

Daichi Okada, Stefano Azzini, Hiroki Nishioka, Anna Ichimura, Hayato Tsuji, Eiichi Nakamura, Fumio Sasaki, Cyriaque Genet, Thomas W. Ebbesen, Yohei Yamamoto*

Nano Lett. 2018, 18, 4396–4402.WEB

Times Cited: 47

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

「有機ソフトマテリアルレーザーの最新動向」特集
共役ポリマーからなる自己組織化マイクロ球体共振器とレーザー発振

山本洋平

レーザー研究 2018, 46, 25-29.

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

Peptide Cross-linkers: Immobilization of Platinum Nanoparticles Highly Dispersed on Graphene Oxide Nanosheets with Enhanced Photocatalytic Activities

Tsukasa Mizutaru, Galina Marzun, Sebastian Kohsakowski, Stephan Barcikowski, Dachao Hong, Hiroaki Kotani, Takahiko Kojima, Takahiro Kondo, Junji Nakamura, Yohei Yamamoto

ACS Appl. Mater. Interfaces 2017, 9, 9996–10002.WEB

Controlled Self-Assembly of Oligopeptides Bearing Electron Donor and Acceptor Units on the Side Chains to Form β-Sheets with Selective π-Stacking Configuration

Toru Nakayama, Kentaro Tashiro, Toshiaki Takei, Yohei Yamamoto

Chem. Lett. 2017, 46, 423–425.WEB

（Selected as “Editor’s Choice”）

Temperature Dependence of Magnetophotoconductance in One-dimensional Molecular Assembly of Hexabenzocoronene

Yusuke Wakikawa, Tadaaki Ikoma, Yohei Yamamoto, Takanori Fukushima, Kimio Akiyama

ACS Omega 2017, 2, 3260–3266.WEB

Dual substitution at 4,9-positions of carbazole in donor-π-acceptor copolymer enhances performance of bulk-heterojunction organic solar cells

Kosuke Shibasaki, Takeshi Yasuda, Yohei Yamamoto, Masashi Kijima

Polymer 2017, 108, 305–312.WEB

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

Spherical resonators from π-conjugated polymers (Focus Review)

Yohei Yamamoto

Polym. J. 2016, 48, 1045–1050.WEB

Times Cited: 20

Color-Tunable Resonant Photoluminescence and Cavity-Mediated Multistep Energy Transfer Cascade

Daichi Okada, Takashi Nakamura, Daniel Braam, Thang Duy Dao, Satoshi Ishii, Tadaaki Nagao, Axel Lorke, Tatsuya Nabeshima, Yohei Yamamoto

ACS Nano 2016, 10, 7058–7063.WEB

Times Cited: 63

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”）

Enhancement of grain size and crystallinity of thin layers of pentacene grown under magnetic field

Kenichi Tabata, Yohei Yamamoto

Thin Solid Films 2016, 603, 408-412.WEB

Chiroptical switching caused by crystalline/liquid crystalline phase transition of a chiral bowl-shaped molecules

Masaki Yamamura, Kimiya Sukegawa, Daichi Okada, Yohei Yamamoto, Tatsuya Nabeshima

Chem. Commun. 2016, 52, 4585–4588.WEB

2015年

Cysteine-containing oligopeptide β-sheets as redispersants for agglomerated metal nanoparticles

Tsukasa Mizutaru, Taro Sakuraba, Toru Nakayama, Galina Marzun, Phillip Wagener, Christoph Rehbock, Stephan Barcikowski, Katsuhisa Murakami, Junichi Fujita, Noriyuki Ishii, Yohei Yamamoto

J. Mater. Chem. A 2015, 3, 17612–17619.WEB

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

Colloidal Crystallization and Ionic Liquid Induced Partial β-Phase Transformation of Poly(Vinylidene Fluoride) Nanoparticles

Daichi Okada, Hideki Kaneko, Katsuhiro Kato, Seiichi Furumi, Masaki Takeguchi, Yohei Yamamoto

Macromolecules 2015, 48, 2570–2575.WEB

Times Cited: 35

Translation of Assembling Trajectory by Preorganisation: A Study of the Magnetic Properties of 1D Polymeric Unpaired Electrons Immobilised on a Discrete Nanoscopic Scaffold

Vakayil K. Praveen, Yohei Yamamoto, Takanori Fukushima, Koji Nakabayashi, Yoshihide Tsunobuchi, Shin-ichi Ohkoshi, Kenichi Kato, Masaki Takata, Takuzo Aida

Chem. Commun. 2015, 51, 1206–1209.WEB

（Behind the paper, posted in “Inside Back Cover”）

Monosubstitution at 4-Position of 2,7-Carbazolylene Expands Structural Design and Fundamental Properties of D-π-A Copolymers for Organic Photovoltaic Cells

Kosuke Shibasaki, Takeshi Yasuda, Yohei Yamamoto, Masashi Kijima

Polym. Chem. 2015, 6, 5921–5930.WEB

Broadband Terahertz Time-Domain Spectroscopic Study on Form II Polyvinylidene Fluoride

Tatsuya Mori, Hikaru Igawa, Daichi Okada, Yohei Yamamoto, Kei Iwamoto, Naoki Toyota, Seiji Kojima

J. Mol. Struc. 2015, 1090, 93–97.WEB

Self-Assembly and Adsorption Properties of Fmoc-Peptide bearing Charged Side Chains (Proceeding)

Toru Nakayama, Taro Sakuraba, Yohei Yamamoto

AIP Conf. Proc. ICCMSE 2015, 1702, 090068/1–4.WEB

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

「人工光合成」研究の異分野融合・新展開に向けて

山本 洋平

人工光合成News Letter 2015年6月号 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

Charge-Separated Fmoc-peptide β-Sheets: Sequence-Secondary Structure Relationship for Arranging Charged Side Chains on Both Sides

Toru Nakayama, Taro Sakuraba, Shunsuke Tomita, Akira Kaneko, Eisuke Takai, Kentaro Shiraki, Kentaro Tashiro, Noriyuki Ishii, Yuri Hasegawa, Yoichi Yamada, Reiji Kumai, Yohei Yamamoto

Asian J. Org. Chem. 2014, 3, 1182–1188.WEB

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”）

Control of Molecular Orientation and Morphology in Organic Bilayer Solar Cells: Copper Phthalocyanine on Gold Nanodots

Takayuki Sasaki, Kenichi Tabata, Kazuhito Tsukagoshi, Andreas Beckel, Axel Lorke, Yohei Yamamoto

Thin Solid Films 2014, 562, 467–470.WEB

Syntheses and Photovoltaic Properties of Narrow Band Gap Donor-Acceptor Copolymers with Carboxylate-Substituted Benzodithiophene as Electron Acceptor Unit

Kosuke Shibasaki, Kenichi Tabata, Yohei Yamamoto, Takeshi Yasuda, Masashi Kijima

Macromolecules 2014, 47, 4987–4993.WEB

若きリーダー達 II「光・電子機能発現に向けた分子の集合形態制御」

山本 洋平

高分子 2014, 63, 49–50.

Spherical Assemblies Formed from π-Conjugated Alternating Copolymers Having Fluorene and Thiophene Components (Proceeding)

Yohei Yamamoto and Liang Tong

IOP Conf. Series: Mater. Sci. Eng. 2014, 54, 012014.

2013年

Spherical Assemblies from π-Conjugated Alternating Copolymers: Toward Optoelectronic Colloidal Crystals

Taeko Adachi, Liang Tong, Junpei Kuwabara, Takaki Kanbara, Akinori Saeki, Shu Seki, Yohei Yamamoto

J. Am. Chem. Soc. 2013, 135, 870–876.WEB

Times Cited: 68

Magnetic-Field-Induced Enhancement of Crystallinity and Field-Effect Mobilities in Phthalocyanine Thin Films

Kenichi Tabata, Takayuki Sasaki, Yohei Yamamoto

Appl. Phys. Lett. 2013, 101, 043301/1–4.WEB

Effect of Acceptor Lamination on Photocarrier Dynamics in Hole Transporting Hexabenzocoronene Nanotubular Self-Assembly

Yusuke Wakikawa, Tadaaki Ikoma, Yohei Yamamoto, Takanori Fukushima, Takuzo Aida, Kimio Akiyama

J. Phys. Chem. C 2013, 117, 15295–15305.WEB

カーボンナノチューブを高分散させるディスク状イオン液晶の開発

山本 洋平、李 廷湖、相田 卓三

Material Stage 2013, 13(9), 16–18

2012年

Discotic Ionic Liquid Crystals of Triphenylene as Dispersants for Orienting Single-Walled Carbon Nanotubes

Jeongho Jay Lee, Akihisa Yamaguchi, Md. Akhtarul Alam, Yohei Yamamoto, Takanori Fukushima, Kenichi Kato, Masaki Takata, Norifumi Fujita, Takuzo Aida

Angew. Chem. Int. Ed. 2012, 51, 8490–8494.WEB

（Selected as “Very Important Paper (VIP)”）
（Behind the paper, posted in “Back Cover”）

Times Cited: 73

Segregated and Alternately Stacked Donor/Acceptor Nanodomains in Tubular Morphology Tailored with Zinc Porphyrin-C60 Amphiphilic Dyads: Clear Geometrical Effects on Photoconduction

Richard Charvet, Yohei Yamamoto, Takayuki Sasaki, Jungeun Kim, Kenichi Kato, Masaki Takata, Akinori Saeki, Shu Seki, Takuzo Aida

J. Am. Chem. Soc. 2012, 134, 2524–2527.WEB

Times Cited: 115

Interface Dependence of Charge Formation Dynamics in Hexabenzocoronene (HBC)-C60

Yutaka Moritomo, Kouhei Yonezawa, Minato Ito, Hayato Kamioka, Yohei Yamamoto, Takanori Fukushima, Takuzo Aida

Appl. Phys. Exp. 2012, 5, 062401/1–3.WEB

Programmed Self-Assembly of Large π-Conjugated Molecules into Electroactive One-Dimensional Nanostructures (Review)

Yohei Yamamoto

Sci. Technol. Adv. Mater. 2012, 13, 033001/1–15.WEB

（Selected as Remarkable Paper）
（Selected as Highlights of 2012 in STAM）

Times Cited: 52

Discotic Ionic Liquid Crystals as Excellent Dispersants for Single-Walled Carbon Nanotubes (Report)

Jeongho Jay Lee, Yohei Yamamoto

SPring-8 Res. Frontier 2012, 78–79.

Self-Assembly of Porphyrin–Fullerene Dyads into Electroactive Low-Dimensional Nanostructures (Proceeding)

Yohei Yamamoto

Proceeding of 2AJAS 2012

2011年

Photoconductivity of Self-Assembled Hexabenzocoronene Nanotube: Insight into the Charge Carrier Mobilities on Local and Long-Range Scales

Akinori Saeki, Yohei Yamamoto, Yoshiko Koizumi, Takanori Fukushima, Takuzo Aida, Shu Seki

J. Phys. Chem. Lett. 2011, 2, 2549–2554.WEB

Times Cited: 38

Electroactive Nanotubes from π-Conjugated Discotic Molecules (Award Accounts)

Yohei Yamamoto

Bull. Chem. Soc. Jpn. 2011, 84, 17–25.WEB

カーボン系超分子ポリマーの現状と展望

福島 孝典、山本 洋平

高分子 2011, 60, 449–452.

2010年

Chiroselective Assembly of a Chiral Porphyrin-Fullerene Dyad: Photoconductive Nanofiber with a Top-Class Ambipolar Charge-Carrier Mobility

Yumi Hizume, Kentaro Tashiro, Richard Charvet, Yohei Yamamoto, Akinori Saeki, Shu Seki, Takuzo Aida

J. Am. Chem. Soc. 2010, 132, 6628–6629.WEB

Times Cited: 114

Hexabenzocoronene Graphitic Nanotube Appended with Dithienylethene Pendants: Photochromism for the Modulation of Photoconductivity

Yaning He, Yohei Yamamoto, Wusong Jin, Takanori Fukushima, Akinori Saeki, Shu Seki, Noriyuki Ishii, Takuzo Aida

Adv. Mater. 2010, 22, 829–832.WEB

（Selected as Cover Picture）

Times Cited: 63

Shape-directed Assembly of a 'Macromolecular Barb' into Nanofibers: Stereospecific Cyclopolymerization of Isopropylidene Diallylmalonate

Yasunao Miyamura, Kazushi Kinbara, Yohei Yamamoto, Vakayil K. Praveen, Kenichi Kato, Masaki Takata, Atsushi Takano, Yushu Matsushita, Eunji Lee, Myongsoo Lee, Takuzo Aida

J. Am. Chem. Soc. 2010, 132, 3292–3294.WEB

Times Cited: 38

Use of Side-Chain Incompatibility for Tailoring Long-Range p/n Heterojunctions: Photoconductive Nanofibers Formed by Self-Assembly of an Amphiphilic Donor–Acceptor Dyad Consisting of Oligothiophene and Perylenediimide

Wei-Shi Li, Akinori Saeki, Yohei Yamamoto, Takanori Fukushima, Shu Seki, Noriyuki Ishii, Kenichi Kato, Masaki Takata, Takuzo Aida

Chem. Asian J. 2010, 5, 1566–1572.WEB

（Selected as ‘Frontispiece Picture’）

Times Cited: 49

Magnetic Field Effect on the Photocarriers in Self-Assembled Hexabenzocoronene Nanotubes

Yusuke Wakikawa, Tadaaki Ikoma, Yohei Yamamoto, Takanori Fukushima, Takuzo Aida

Synth. Met. 2010, 160, 275–279.WEB

Discovery of ‘bicontinuous cubic’ liquid crystalline mesophase from discotic molecules (Report)

Yohei Yamamoto

SPring-8 Res. Frontier 2010, 100–101.

電子情報通信学会 知識ベース
S2群7編『バイオナノテクノロジー』 2章 バイオナノテクノロジーにおける基盤・要素技術
2.1. 基板材料・要素技術 2.1.1. ポリマーナノチューブ

山本 洋平

2010年4月

2009年

Ambipolar-Transporting Coaxial Nanotubes with a Tailored Molecular Graphene–Fullerene Heterojunction

Yohei Yamamoto, Guanxin Zhang, Wusong Jin, Takanori Fukushima, Noriyuki Ishii, Akinori Saeki, Shu Seki, Seiichi Tagawa, Takeo Minari, Kazuhito Tsukagoshi, Takuzo Aida

Proc. Natl. Acad. Sci. U.S.A. 2009, 106, 21051–21056.WEB

Times Cited: 153

‘Bicontinuous Cubic’ Liquid Crystalline Materials from Discotic Molecules: A Special Effect of Paraffinic Side Chains with Ionic Liquid Pendants

Md. Akhtarul Alam, Jin Motoyanagi, Yohei Yamamoto, Takanori Fukushima, Jungeun Kim, Kenichi Kato, Masaki Takata, Akinori Saeki, Shu Seki, Seiichi Tagawa, Takuzo Aida

J. Am. Chem. Soc. 2009, 131, 17722–17723.WEB

（Selected as Cover Picture）

Times Cited: 87

Charge Transport Properties of Hexabenzocoronene Nanotubes by Field Effect: Influence of the Oligoether Side Chains on the Mobility

Yohei Yamamoto, Wusong Jin, Takanori Fukushima, Takeo Minari, Kazuhito Tsukagoshi, Akinori Saeki, Shu Seki, Seiichi Tagawa, Takuzo Aida

Chem. Lett. 2009, 38, 888–889.WEB

Unusual Side Chain Effects on Charge-Carrier Lifetime in Discotic Liquid Crystals

Jin Motoyanagi, Yohei Yamamoto, Akinori Saeki, Md. Akhtarul Alam, Atsushi Kimoto, Atsuko Kosaka, Takanori Fukushima, Shu Seki, Seiichi Tagawa, Takuzo Aida

Chem. Asian J. 2009, 4, 876–880.WEB

分子集合体から機能を引き出す

山本 洋平

化学と工業 2009, 62, 811–813.

π-Electronic Spiral Stairways by Self-Assembly

Yohei Yamamoto

高分子 2009, 58, 454.

「超分子サイエンス＆テクノロジー –基礎からイノベーションまで–」
第2章 分子プログラミングと集合体 第2節 1次元分子集合体 7. ヘキサベンゾコロネンナノチューブ

山本 洋平、福島 孝典

2009年5月 エヌ・ティー・エス pp 315–322.

2008年

Amphiphilic Molecular Design as a Rational Strategy for Tailoring Bicontinuous Electron Donor and Acceptor Arrays: Photoconductive Liquid Crystalline Oligothiophene–C60 Dyads

Wei-Shi Li, Yohei Yamamoto, Takanori Fukushima, Akinori Saeki, Shu Seki, Seiichi Tagawa, Hiroyasu Masunaga, Sono Sasaki, Masaki Takata, Takuzo Aida

J. Am. Chem. Soc. 2008, 130, 8886–8887.WEB

（Highlighted in RIKEN RESEARCH HIGHLIGHT, 2008, 3, 9）

Times Cited: 170

Conductive One-Handed Nanocoils by Coassembly of Hexabenzocoronenes: Control of Morphology and Helical Chirality

Takuya Yamamoto, Takanori Fukushima, Atsuko Kosaka, Wusong Jin, Yohei Yamamoto, Noriyuki Ishii, Takuzo Aida

Angew. Chem. Int. Ed. 2008, 47, 1672–1675.WEB

Times Cited: 83

Systematic Studies on Structural Parameters for Nanotubular Assembly of Hexa-peri-hexabenzocoronenes

Wusong Jin, Yohei Yamamoto, Takanori Fukushima, Noriyuki Ishii, Jungeun Kim, Kenichi Kato, Masaki Takata, Takuzo Aida

J. Am. Chem. Soc. 2008, 130, 9434–9440.WEB

Times Cited: 139

Possible One-Dimensional Helical Conductor: Hexa-peri-Hexabenzocoronene Nanotube

Toshifumi Hara, Ko Furukawa, Toshikazu Nakamura, Yohei Yamamoto, Atsuko Kosaka, Wusong Jin, Takanori Fukushima, Takuzo Aida

J. Phys. Soc. Jpn. 2008, 77, 034710/1-6.WEB

自己組織化ナノチューブにおけるラセン状電導挙動の実証

山本 洋平

分子研レターズ 2008, 58, 72–74.

「有機・無機・金属ナノチューブ」
—非カーボンナノチューブ系の最新技術と応用展開—
第9章 炭素族ナノチューブの合成と応用 1. グラフェン系ナノチューブの構築と応用

福島 孝典、山本 洋平、相田 卓三

2008年3月 フロンティア出版 pp 230–238.

ディスク状分子の自己集積による電子活性ナノチューブの構築

山本 洋平、福島 孝典

液晶 2008, 12(4), 279–286.

2007年

Molecular Engineering of Coaxial Donor–Acceptor Heterojunction by Coassembly of Two Different Hexabenzocoronenes: Graphitic Nanotubes with Enhanced Photoconducting Properties

Yohei Yamamoto, Takanori Fukushima, Akinori Saeki, Shu Seki, Seiichi Tagawa, Noriyuki Ishii, Takuzo Aida

J. Am. Chem. Soc. 2007, 129, 9276–9277.WEB

Times Cited: 93

Photoconductive Coaxial Nanotubes Consisting of a Heterojunction of Electron Donor and Acceptor Molecular Layers

Yohei Yamamoto

高分子 2007, 56, 972.

自己組織化による光電導性同軸ナノチューブの開発

山本 洋平、福島 孝典、相田 卓三

セラミックス 2007, 4, 42.

自己組織化によるナノサイズの光電導性同軸ケーブルの開発
Photoconductive Coaxial Nanocables by Molecular Self-Assembly

山本 洋平、福島 孝典、相田 卓三

Material Stage 2007, 7(1), 89-93.

2006年

Photoconductive Coaxial Nanotubes of Molecularly Connected Electron Donor and Acceptor Layers

Yohei Yamamoto, Takanori Fukushima, Yuki Suna, Noriyuki Ishii, Akinori Saeki, Shu Seki, Seiichi Tagawa, Masateru Taniguchi, Tomoji Kawai, Takuzo Aida

Science 2006, 314, 1761–1764.WEB

（Selected as a ‘Perspectives’ in Science (2006, 314, 1693–1694), Highlighted in ‘NEWS & VIEWS’ in Nature Nanotechnology (2007, 2, 77–78), C&EN, Chemistry World, New, Scientist, NanotechWeb, Technology Review.）

Times Cited: 605

A Glass Hook Allows Fishing of Hexa-peri-hexabenzocoronene Graphitic Nanotubes: Fabrication of a Macroscopic Fiber with Anisotropic Electrical Conduction

Yohei Yamamoto, Takanori Fukushima, Wusong Jin, Atsuko Kosaka, Toshifumi Hara, Toshikazu Nakamura, Akinori Saeki, Shu Seki, Seiichi Tagawa, Takuzo Aida

Adv. Mater. 2006, 18, 1297–1300.WEB

（Selected as Cover Picture）

Times Cited: 92

Stabilization of a Kinetically Favored Nanostructure: Surface ROMP of Self-Assembled Conductive Nanocoils from a Norbornene-Appended Hexa-peri-hexabenzocoronene

Takuya Yamamoto, Takanori Fukushima, Yohei Yamamoto, Atsuko Kosaka, Wusong Jin, Noriyuki Ishii, Takuzo Aida

J. Am. Chem. Soc. 2006, 128, 14337–14340.WEB

Times Cited: 78

Dramatic Effect of Dispersed Carbon Nanotubes on the Mechanical and Electroconductive Properties of Polymers Derived from Ionic Liquids

Takanori Fukushima, Atsuko Kosaka, Yohei Yamamoto, Takuji Aimiya, Shunsuke Notazawa, Toshikazu Takigawa, Tamotsu Inabe, Takuzo Aida

Small 2006, 2, 554–560.WEB

Times Cited: 207

超分子・自己組織型高分子　—カーボンナノ材料を中心として—

山本 洋平、福島 孝典、相田 卓三

未来材料 2006, 6(8) 60–66.

2004年

Construction of Oxide-Carbide Artificial Superlattices Using C60-Assisted Pulsed-Laser-Deposition Technique

Yohei Yamamoto, Hidekazu Tanaka, Tomoji Kawai

J. Cryst. Growth 2004, 265, 198–203.WEB

2003年

Appearance of Magnetic Blocking Temperature in Zinc Magnesium Ferrite Thin Films

Youhei Yamamoto, Hidekazu Tanaka, Tomoji Kawai

J. Mag. Mag. Mater. 2003, 261, 263–268.WEB

Times Cited: 24

2002年

Construction of ZnFe2O4/ZnGa2O4 Spinel-Type Artificial Superlattice by Pulsed Laser Deposition

Hiroshi Yahiro, Hidekazu Tanaka, Youhei Yamamoto, Tomoji Kawai

Jpn. J. Appl. Phys. 2002, 41, 5153–5154.WEB

Growth Mode of (111) Oriented Spinel Type ZnFe2O4 Thin Film by Laser-Molecular Beam Epitaxy Technique

Hiroshi Yahiro, Hidekazu Tanaka, Youhei Yamamoto, Tomoji Kawai

Solid State Commun. 2019, 123, 535–538.WEB

Syntheses, Structures, and Spectroscopic Properties of Cobalt(III) Complexes Containing 3- or 4-Pyridyl-Substituted Nitronyl and Imino Nitroxide Ligands

Masahiro Ogita, Youhei Yamamoto, Takayoshi Suzuki, Sumio Kaizaki

Eur. J. Inorg. Chem. 2002, 886–894.WEB

Times Cited: 28

2001年

Novel Functional Magnetic Oxide Artificial Lattices in Strongly Correlated Electron System (Proceeding)

Hidekazu Tanaka, Teruo Kanki, Hayato Katsu, Jung Zhang, Youhei Yamamoto, Hitoshi Tabata, Tomoji Kawai

Trans. Mater. Res. Soc. Jpn. 2001, 26(3) 1033–1036.

Crystal Structures of Cobalt(II), Nickel(II) and Zinc(II) Dichloro Complexes Bearing 2-Pyridyl-Substituted Nitronyl Nitroxide (NIT2py)

Youhei Yamamoto, Takafumi Yoshida, Takayoshi Suzuki, Sumio Kaizaki

Inorg. Chim. Acta. 2001, 325, 187–192.WEB

Times Cited: 31

Crystal Structures, Magnetic and Spectroscopic Properties of Manganese(II), Cobalt(II), Nickel(II) and Zinc(II) Dichloro Complexes Bearing Two 2-Pyridyl-Substituted Imino Nitroxides

Youhei Yamamoto, Takayoshi Suzuki, Sumio Kaizaki

J. Chem. Soc. Dalton Trans. 2001, 1566–1572.WEB

Times Cited: 80

Syntheses, Structures, Magnetic, and Spectroscopic Properties of Cobalt(II), Nickel(II) and Zinc(II) Complexes Containing 2-(6-Methyl)Pyridyl-Substituted Nitronyl and Imino Nitroxide

Youhei Yamamoto, Takayoshi Suzuki, Sumio Kaizaki

J. Chem. Soc. Dalton Trans. 2001, 2943–2950.WEB

Times Cited: 65

The Control of Cluster-Glass Transition Temperature in Spinel-Type ZnFe2O4-d Thin Film

Youhei Yamamoto, Hidekazu Tanaka, Tomoji Kawai

Jpn. J. Appl. Phys. 2001, 40, L545–L547.WEB

Times Cited: 49