様々な励起プロセスを介したπ電子球体への発光閉じ込めと共鳴発光の変調

• Project Area: pi-System Figuration: Control of Electron and Structural Dynamism for Innovative Functions
• Project/Area Number: 17H05142
• Research Category: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: University of Tsukuba
• Principal Investigator: 山本 洋平 筑波大学, 数理物質系, 教授 (40589834)
• Project Period (FY): 2017-04-01 – 2019-03-31
• Project Status: Completed (Fiscal Year 2018)
• Budget Amount: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000); Fiscal Year 2018: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000); Fiscal Year 2017: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
• Keywords: マイクロ共振器 / レーザー / π共役高分子 / π共役有機分子 / 自己組織化 / 共役ポリマー / 球体 / 発光 / エネルギー移動 / 共振器 / ポリマー / 有機分子 / センサー

Outline of Annual Research Achievements

π共役系有機分子および高分子の自己組織化によるマイクロ構造体の形成および、レーザー発振特性の発現に関する研究を行い、領域内共同研究成果３報を含む計７報の論文を発表した。具体的には、１．炭素架橋オリゴフェニレンビニレンマイクロ結晶によるレーザー共振器の作製と、エネルギー移動に関する考察（Nano Lett. 2018、領域内共同研究、国際共同研究）、配位性共役ポリマー／ユーロピウム錯体複合帯マイクロ球体によるエネルギー移動型レーザー発振共振器の実現（Chem. Asian J. 2019）、３．自己組織化BODIPYマイクロロッドによる多色発光マイクロ共振器の作成と、赤及び緑発光の物理的起源の解明（J. Phys. Chem. C 2019、領域内共同研究、国際共同研究）、４．カルバゾールージベンゾフラン連結体による金属を含まない単一分子要素からなる白色有機電界発光材料の開発（Adv. Funct. Mater. 2019）、５．誘電性をスイッチ可能な強誘電共役ポリマーの実現（Angew. Chem. Int. Ed. 2018、国際共同研究）、６．ポリチオフェン／フラーレン誘導体バルクヘテロ接合球体の作製による光電変換マイクロ球体の実現。マイクロ構造体形成によるホール輸送特性の顕著な増大を確認し、そのメカニズムについて電気化学測定、Ｘ線光電子分光測定、およびマイクロ波電気伝導度測定結果などから考察した。（ドイツHeidelberg大学との共同研究、ACS Appl. Polym. Mater. 2019）、７．プロトン付加／脱離によるWGM発光の変調（Chem. Lett. 2019）。

Research Progress Status

平成30年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

平成30年度が最終年度であるため、記入しない。

Research Products

• [Int'l Joint Research] Duisburg-Essen大学/Heidelberg大学/Leibniz光技術研究所(ドイツ)
• [Int'l Joint Research] Strasbourg大学(フランス)
• [Int'l Joint Research] Malaga大学(スペイン)
• [Int'l Joint Research] Heidelberg大学/Duisburg-Essen大学/DWI(ドイツ)
• [Int'l Joint Research] Cambridge大学(英国)
• [Int'l Joint Research] Malaga大学(スペイン)
• [Int'l Joint Research] Linz大学(オーストリア)
• [Journal Article] Modulation of Whispering Gallery Modes from Fluorescent Copolymer Microsphere Resonators by Protonation/ Deprotonation (2019)
  • Author(s): Zakarias S. Ngara, Yohei Yamamoto*
  • Journal Title: Chem. Lett. Volume: 0000 Pages: 0000-0000
  • NAID: 130007659785
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Significant Enhancement of Hole Transport Ability in Conjugated Polymer/Fullerene Bulk Heterojunction Microspheres (2019)
  • Author(s): Amandeep Jindal, Hiroaki Kotani, Soh Kushida, Akinori Saeki, Takahiko Kojima, Yohei Yamamoto*
  • Journal Title: ACS Appl. Polym. Mater. Volume: 1 Pages: 118-123
  • Peer Reviewed
• [Journal Article] Carbazole-Dibenzofuran Dyads as Metal-Free Single-Component White-Color Photoemitters (2019)
  • Author(s): Kenichi Tabata, Tetsuya Yamada, Hiroshi Kita, Yohei Yamamoto*
  • Journal Title: Adv. Funct. Mater. Volume: 29 Pages: 1805824-1805824
  • Peer Reviewed
• [Journal Article] Polychromatic Photoluminescence of Polymorph Boron Dipyrromethene Crystals and Heterostructures (2019)
  • Author(s): Aswin Asaithambi, Daichi Okada, Gunther Prinz, Hiroyasu Sato, Akinori Saeki, Takashi Nakamura, Tatsuya Nabeshima, Yohei Yamamoto, Axel Lorke*
  • Journal Title: J. Phys. Chem. C Volume: 123 Issue: 8 Pages: 5061-5066
  • DOI: 10.1021/acs.jpcc.8b09202
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Dipole Switchable Poly(para-phenyleneethynylene)s: Ferroelectric Conjugated Polymers (2018)
  • Author(s): Soh Kushida, Emanuel Smarsly, Irene Wacker, Rasmus R. Schroder, Osamu Oki, Yohei Yamamoto, Christian Melzer, Uwe H. F. Bunz*
  • Journal Title: Angew. Chem. Int. Ed. Volume: 57 Pages: 17019-17022
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Energy Transfer-Assisted Whispering Gallery Mode Lasing in Conjugated Polymer/ Europium Hybrid Microsphere Resonators (2018)
  • Author(s): Zakarias S. Ngara, Daichi Okada, Osamu Oki, Yohei Yamamoto*
  • Journal Title: Chem. Asian J. Volume: 0000 Issue: 10 Pages: 0000-0000
  • DOI: 10.1002/asia.201801219
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] π-Electronic Cocrystal Microcavities with Selective Vibronic-Mode Light Amplification: Toward Forster Resonance Energy Transfer Lasing (2018)
  • Author(s): Daichi Okada, Stefano Azzini, Hiroki Nishioka, Anna Ichimura, Hayato Tsuji, Eiichi Nakamura, Fumio Sasaki, Cyriaque Genet, Thomas W. Ebbesen, Yohei Yamamoto*
  • Journal Title: Nano Lett. Volume: 18 Issue: 7 Pages: 4396-4402
  • DOI: 10.1021/acs.nanolett.8b01442
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] A fluorescent microporous crystalline dendrimer discriminates vapour molecules (2018)
  • Author(s): Sae Nakajima, Ken Albrecht, Soh Kushida, Eiji Nishibori, Takashi Kitao, Takashi Uemura, Kimihisa Yamamoto, Uwe H. F. Bunz, Yohei Yamamoto
  • Journal Title: Chem. Commum. Volume: 54 Issue: 20 Pages: 2534-2537
  • DOI: 10.1039/c7cc09342j
  • NAID: 120007134305
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] FRET-mediated near infrared whispering gallery modes: studies on the relevance of intracavity energy transfer with Q-factor (2018)
  • Author(s): Osamu Oki, Soh Kushida, Annabel Mikosch, Kota Hatanaka, Youhei Takeda, Satoshi Minakata, Junpei Kuwabara, Takaki Kanbara, Thang Dao, Satoshi Ishii, Tadaaki Nagao, Alexander Kuhne, Felix Deschler, Richard Friend, Yohei Yamamoto
  • Journal Title: Mater. Chem. Front. Volume: 2 Issue: 2 Pages: 270-274
  • DOI: 10.1039/c7qm00498b
  • NAID: 120007133837
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] 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 (2018)
  • Author(s): 山本 洋平
  • Journal Title: レーザー研究 Volume: 46 Pages: 25-29
  • NAID: 130007957396
• [Journal Article] 有機ソフトマテリアルレーザーの最新動向 (2018)
  • Author(s): 山本 洋平
  • Journal Title: レーザー研究 Volume: 46 Issue: 124 Pages: 25-29
  • DOI: 10.3791/55934
• [Journal Article] From Linear to Foldamer and Assembly: Hierarchical Transformation of a Coplanar Conjugated Polymer into a Microsphere (2017)
  • Author(s): Kushida Soh、Oki Osamu、Saito Hitoshi、Kuwabara Junpei、Kanbara Takaki、Tashiro Motomichi、Katouda Michio、Imamura Yutaka、Yamamoto Yohei
  • Journal Title: Journal of Physical Chemistry Letters Volume: 8 Issue: 18 Pages: 4580-4586
  • DOI: 10.1021/acs.jpclett.7b02102
  • Peer Reviewed
• [Journal Article] Temperature Dependence of Magnetophotoconductance in One-dimensional Molecular Assembly of Hexabenzocoronene (2017)
  • Author(s): Wakikawa, Yusuke; Ikoma, Tadaaki; Yamamoto, Yohei; Fukushima, Takanori; Akiyama, Kimio
  • Journal Title: Omega Volume: 2 Issue: 7 Pages: 3260-3266
  • DOI: 10.1021/acsomega.7b00474
  • NAID: 120007134818
  • Peer Reviewed / Open Access
• [Journal Article] Low-Threshold Whispering Gallery Mode Lasing from Self-Assembled Microspheres of Single-Sort Conjugated Polymers (2017)
  • Author(s): Soh Kushida, Daichi Okada, Fumio Sasaki, Zhan-Hong Lin, Jer-Shing Huang, Yohei Yamamoto
  • Journal Title: Adv. Opt. Mater. Volume: 5 Issue: 10 Pages: 1700123-1700123
  • DOI: 10.1002/adom.201700123
  • Peer Reviewed / Int'l Joint Research
• [Presentation] Photo-Switchable Optical Microresonators and Memory Arrays (2019)
  • Author(s): Daichi Okada, Zhan-Hong Lin, Jer-shing Huang, Masakazu Morimoto, Fumio Sasaki, Takeo Minari, Satoshi Ishii, Tadaaki Nagao, Masahiro Irie, Yohei Yamamoto
  • Organizer: π造形最終シンポジウム
• [Presentation] Self-assembly of Conjugated Polymers and Peptides for Energy Applications Using Electrochemistry (2019)
  • Author(s): Amandeep Jindal, Hiroaki Kotani, Kentaro Tashiro, Toshiaki Takei, Soh Kushida, Akinori Saeki, Takahiko Kojima, Yohei Yamamoto
  • Organizer: π造形最終シンポジウム
• [Presentation] Self-Assembled Hexagonal Bowl-shaped Microcrystals from Planar Chiral Molecule in Non-equilibrium Supersaturation System (2019)
  • Author(s): Osamu Oki, Hiroshi Yamagishi, Yasuhiro Morisaki, Ichiyo Hayashi, Tomoki Ogoshi, Yohei Yamamoto
  • Organizer: π造形最終シンポジウム
• [Presentation] Air- and Water-Stable Radicals Photochemically Generated in Porous Molecular Crystals (2019)
  • Author(s): Ami Nakayama, Hiroshi Yamagishi, and Yohei Yamamoto
  • Organizer: π造形最終シンポジウム
• [Presentation] Single-crystal microcavities of light-harvesting dendrimers (2019)
  • Author(s): Kohei Iwai, Hiroshi Yamagishi, Hayato Tsuji, Ken Albrecht, Fumio Sasaki, Hiroyasu Sato, Yohei Yamamoto
  • Organizer: π造形最終シンポジウム
• [Presentation] キラル共役ポリマーマイクロ球体共振器からの円偏光発光 (2019)
  • Author(s): 大木理、Chidambar Kulkarni、Stefan C. J. Meskers、E. W. Meijer、佐々木史雄、Zhan-Hong Lin、Jer-Shing Huang、山本洋平
  • Organizer: 第66回応用物理学会春季学術講演会
• [Presentation] Self-Assembled Organic/Polymeric Microlasers and Photoswitchable Microarrays (2019)
  • Author(s): Yohei Yamamoto
  • Organizer: バンドン工科大学-筑波大学ジョイントシンポジウム
  • Int'l Joint Research
• [Presentation] π共役系有機材料によるマイクロ共振器とレーザー発振 (2019)
  • Author(s): 山本洋平
  • Organizer: 第39回レーザー学会年次大会
  • Invited
• [Presentation] キラル共役ポリマーマイクロ球体が示す円偏光発光特性とWGMレーザー発振 (2019)
  • Author(s): 大木理、Chidambar Kulkarni、Stefan C. J. Meskers、E. W. Meijer、佐々木史雄、Zhan-Hong Lin、Jer-Shing Huang、山本洋平
  • Organizer: 第39回レーザー学会年次大会
• [Presentation] 光スイッチ・波長変調を可能とする自己組織化マイクロ共振器（ (2019)
  • Author(s): 岡田大地、森本正和、入江正浩、Jer-Shing Huang、佐々木史雄、石井智、長尾忠昭、Stefano Azzini、Thomas Ebbesen、Cyriaque Genet、西岡拓紀、辻勇人、中村栄一、山本洋平
  • Organizer: 第39回レーザー学会年次大会
• [Presentation] Fabrication of Core-Shell microsphere cavity from the conjugated polymer-europium complex by injection method to demonstrate whispering gallery mode resonance (2019)
  • Author(s): Zakarias Seba Ngara, Osamu Oki, Daichi Okada, Amandeep Jindal, Yohei Yamamoto
  • Organizer: 第39回レーザー学会年次大会
• [Presentation] Self-Assembled Organic/Polymeric Microlasers and Photoswitchable Microarrays (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: 10th Singapore International Chemistry Conference (SICC10)
  • Int'l Joint Research / Invited
• [Presentation] 有機・高分子マイクロレーザーとマイクロアレイ化 (2018)
  • Author(s): 山本 洋平
  • Organizer: レーザー学会第528回研究会「有機固体レーザー」
• [Presentation] Organic/Polymeric Microlasers and Self-Organized Microarrays (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Photo-Switchable Optical Resonators and Optical Memory Arrays from Fluoresent Diarylethene (2018)
  • Author(s): Daichi Okada, Zhan-Hong Lin, Masakazu Morimoto, Jer-shing Huang, Fumio Sasaki, Takeo Minari, Satoshi Ishii, Tadaaki Nagao, Masahiro Irie, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] AIE-active polymer microsphere based whispering gallery mode resonator for water gas sensing (2018)
  • Author(s): Airong Qiagedeer, Minami Sakamoto, Fumitaka Ishiwari, Takanori Fukushima, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Vertical Assembled Bowl-Shaped Hexagonal and Chiroptical Microcrystals from Planar Chiral Cyclophane (2018)
  • Author(s): Osamu Oki, Hiroshi Yamagishi, Yasuhiro Morisaki, Ichiyo Hayashi, Tomoki Ogoshi, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Hole hopping ability enhancement in conjugated polymer/fullerene bulk heterojunction microspheres (2018)
  • Author(s): Amandeep Jindal, Hiroaki Kotani, Soh Kushida, Akinori Saeki, Takahiko Kojima, Yohei Yamamoto
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] 波長変調・光スイッチを可能とする自己組織化マイクロ光共振器の開発 (2018)
  • Author(s): 岡田 大地、山本 洋平 、辻 勇人、中村 栄一、佐々木 史雄、Cyriaque Genet、Thomas Ebbesen、Jer-shing Huang、森本 正和、入江 正浩、石井 智、長尾 忠昭
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] Fabrication of core-shell microsphere cavity from conjugated polymer - europium complex by injection method to demonstrate whispering gallery mode resonances (2018)
  • Author(s): Zakarias Seba Ngara, Daichi Okada, Oki Osamu, Yohei Yamamoto
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] 熱、蒸気、および機械的刺激に対して色変化を示す蛍光性デンドリマー結晶ファイバー (2018)
  • Author(s): Jooyoung Yoo、中嶋紗英、アルブレヒト建、岡崎真人、武田洋平、南方聖司、山元公寿、山本洋平
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] AIE-active Polymer Microspheres for Whispering Gallery Mode Resonator-based Humidity Sensing (2018)
  • Author(s): Airong Qiagedeer, Minami Sakamoto, Fumitaka Ishiwari, Takanori Fukushima, Yohei Yamamoto
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] 面性不斉π共役分子からなる六角形お椀型マイクロ結晶の異方的成長と円偏光発光 (2018)
  • Author(s): 大木 理、山岸 洋、山本 洋平、森崎 泰弘、林 一陽、生越 友樹
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] デンドリマーからなる凝集体の高次発光挙動の探索 (2018)
  • Author(s): 岩井航平、山岸 洋、辻 勇人、山本 洋平
  • Organizer: 高分子学会関東支部茨城地区「若手の会」交流会
• [Presentation] Self-Assembled Organic Soft Microlasers and Photoswitchable Microarrays (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: nternational Congress on Pure & Applied Chemistry Langkawi (ICPAC Langkawi 2018)
  • Int'l Joint Research / Invited
• [Presentation] 簡素な分子からなる高機能多孔性結晶の発見 (2018)
  • Author(s): 山岸 洋
  • Organizer: π造形若手会
• [Presentation] Significant Enhancement of Hole Hopping Ability in Conjugated Polymer/Fullerene Bulk Heterojunction Microsphere (2018)
  • Author(s): Amandeep Jindal
  • Organizer: π造形若手会
• [Presentation] 波長変調・光スイッチを可能とする自己組織化マイクロ光共振器 (2018)
  • Author(s): 岡田 大地
  • Organizer: π造形若手会
• [Presentation] Fabrication of core-shell microsphere cavity from conjugated polymer-europium complex by injection method to demonstrate whispering gallery mode resonances (2018)
  • Author(s): Zakarias Seba Ngara
  • Organizer: π造形若手会
• [Presentation] 面性不斉分子からなるお椀型六角形マイクロ結晶の異方的成長と円偏光発光 (2018)
  • Author(s): 大木 理
  • Organizer: π造形若手会
• [Presentation] ポリマーでレーザーを創る：自己組織化によるマイクロ光共振器の構築と応用 (2018)
  • Author(s): 山本 洋平
  • Organizer: ナノ・マイクロ技術支援講座
  • Invited
• [Presentation] 高分子マイクロ球体レーザー (2018)
  • Author(s): 山本 洋平
  • Organizer: 防衛大学校セミナー
  • Invited
• [Presentation] Self-Assembled Organic/Polymeric Microlasers and Photoswitchable Arrays (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: TGSW2018
  • Int'l Joint Research
• [Presentation] 多色発光を示すBODIPYマイクロ結晶とその光学ヘテロ構造の作成 (2018)
  • Author(s): 岡田大地、Vijai Aswin、Prinz Gunther、佐藤 寛泰、佐伯 昭紀、佐々木史雄、中村貴志、鍋島達弥、Lorke Axel、山本洋平
  • Organizer: 第79回応用物理学会
• [Presentation] 面不斉分子からなる六角形お椀型マイクロ結晶の異方的成長と円偏光発光 (2018)
  • Author(s): 大木 理、山岸 洋、山本 洋平、森崎 泰弘、生越 友樹
  • Organizer: 第79回応用物理学会
• [Presentation] スイッチングが可能なマイクロ光共振器とアレイ化 (2018)
  • Author(s): 山本洋平、岡田大地、北山雄介、森本正和、入江正浩、Jer-Shing Huang, Zhan-Hong Lin
  • Organizer: 第67回高分子討論会
  • Invited
• [Presentation] 多色発光を示すBODIPYマイクロ結晶と光学ヘテロ構造の形成 (2018)
  • Author(s): 岡田大地、Asaithambi Aswin 、中村貴志、Prinz Gunther、佐藤 寛泰、佐伯 昭紀、 鍋島達弥、Lorke Axel、山本洋平
  • Organizer: 第67回高分子討論会
• [Presentation] 面不斉分子からなるお椀型マイクロ結晶と円偏光発光 (2018)
  • Author(s): 大木 理、山岸 洋、森崎 泰弘、林 一陽、生越 友樹、山本 洋平
  • Organizer: 第67回高分子討論会
• [Presentation] AIE polymer-based whispering gallerying mode resonators for humidity sensing (2018)
  • Author(s): Airong Qiagedeer, Minami Sakamoto, Fumitaka Ishiwari, Takanori Fukushima, Yohei Yamamoto
  • Organizer: 第67回高分子討論会
• [Presentation] 熱、蒸気、および機械的刺激に対して色変化を示す蛍光性デンドリマー結晶ファイバー (2018)
  • Author(s): Jooyoung Yoo、中嶋 紗英、山岸洋、Ken Albrecht、武田 洋平、南方 聖司、山元 公寿、山本 洋平
  • Organizer: 第67回高分子討論会
• [Presentation] Significant enhancement of hole hopping ability in conjugated polymer/fullerene bulk heterojunction microspheres (2018)
  • Author(s): Amandeep Jindal, Hiroaki Kotani, Soh Kushida, Akinori Saeki, Takahiko Kojima and Yohei Yamamoto
  • Organizer: 第67回高分子討論会
• [Presentation] Self-Assembled Organic/Polymeric Microlasers and Photoswitchable Arrays (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: European Conference on Laser Optics & Photonics
  • Int'l Joint Research
• [Presentation] Self-Assembled Organic and Polymer Semiconductor Microlasers (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: ICSM 2018
  • Int'l Joint Research
• [Presentation] Coupling of Photoluminescence with Whispering Gallery Modes in Eu3+-Coordinated Conjugated Polymer Microsphere (2018)
  • Author(s): Zakarias S. Ngara, Daichi Okada, Oki Osamu, Yohei Yamamoto
  • Organizer: ICSM 2018
  • Int'l Joint Research
• [Presentation] Wavelength-Selective and Photo-Switchable π-Electronic Microlasers (2018)
  • Author(s): Daichi Okada, Stefano Azzini, Hiroki Nishioka, Hayato Tsuji, Fumio Sasaki, Eiichi Nakamura, Cyriaque Genet, Thomas Ebbesen, Zhang-Hong Lin, Masakazu Morimoto, Jer-shing Huang, Takeo Minari, Tadaaki Nagao, Masahiro Irie, Yohei Yamamoto
  • Organizer: ICSM 2018
  • Int'l Joint Research
• [Presentation] Near infrared whispering gallery mode photoluminescence from conjugated polymer blend microsphere resonators (2018)
  • Author(s): Osamu Oki, Soh Kushida, Annabel Mikosch, Kota Hatanaka, Youhei Takeda, Satoshi Minakata, Junpei Kuwabara, Takaki Kanbara, Thang Dao, Satoshi Ishii, Tadaaki Nagao, Alexander Kuhne, Felix Deschler, Richard Friend, Yohei Yamamoto
  • Organizer: ICSM 2018
  • Int'l Joint Research
• [Presentation] Donor-acceptor dendrimer crystals that display thermo-, vapor-, and mechanochromism (2018)
  • Author(s): Yoo Jooyoung, Sae Nakajima, Ken Albrecht, Youhei Takeda, Satoshi Minakata, Kimihisa Yamamoto, Yohei Yamamoto
  • Organizer: ICSM 2018
  • Int'l Joint Research
• [Presentation] Self-assembled Optical Microcavities from π-Conjugated Molecules and Polymers (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: Fourteenth International Workshop on Supramolecular Nanoscience of Chemically Programmed Pigments (SNCPP18)
  • Int'l Joint Research / Invited
• [Presentation] 共役ポリマーマイクロ光共振器の開発 (2018)
  • Author(s): 山本洋平
  • Organizer: ポリマーフロンティア21
  • Invited
• [Presentation] Photo-Switchable Optical Resonators and Arrays from Fluoresent Diarylethene (2018)
  • Author(s): 岡田大地、北山雄介、Zhang Hong Lin、森本正和、Jer-shing Huang、佐々木史雄、三成剛生、石井智, 長尾忠昭、入江 正浩、山本洋平
  • Organizer: 第66回高分子学会年次大会
• [Presentation] Carbon nitride/polyacrylonitrile nanofibers as effective cathode catalyst in microfluidic fuel cells (2018)
  • Author(s): Amandeep Jindal, Suddhasatwa Basu, Neha Chauhan, Tomofumi Ukai, Sakthi Kumar
  • Organizer: 第66回高分子学会年次大会
• [Presentation] Self-Assembled Organic Semiconductor Microlasers (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: CMD symposium（The National University of Malaysia, Malaysia）
  • Int'l Joint Research
• [Presentation] Rydberg like states in organic semiconductor rods (2018)
  • Author(s): A. Asaithambi, D. Okada, G. Prinz, Y. Yamamoto, A. Lorke
  • Organizer: DPG spring meeting
  • Int'l Joint Research
• [Presentation] Whispering Gallery Modes in Self-Assembled Microspheres of Highly Fluorescent Polymers (2018)
  • Author(s): D. Braam, G. Prinz, K. Tabata, S. Kushida, D. Okada, Y. Yamamoto, A. Lorke
  • Organizer: DPG spring meeting
  • Int'l Joint Research
• [Presentation] Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2018)
  • Author(s): Yohei Yamamoto
  • Organizer: 筑波大学エネルギー物質科学研究センター(TREMS)合同シンポジウム
• [Presentation] Microfluidic Fuel Cell Fabrication with Non-Precious Carbon Nitride Nanofibers as Cathode Catalyst (2018)
  • Author(s): Amandeep Jindal, Suddhasatwa Basu, Neha Chauhan, Tomofumi Ukai, Sakthi Kumar, Yohei Yamamoto
  • Organizer: 筑波大学エネルギー物質科学研究センター(TREMS)合同シンポジウム
• [Presentation] Self-assembled photo-switchable micro-resonator from fluorescent diarylethene (2018)
  • Author(s): Daichi Okada, Zhan-Hong Lin, Yusuke Kitayama, Masakazu Morimoto, Fumio Sasaki, Jer-Shing Huang, Masahiro Irie, Yohei Yamamoto
  • Organizer: 筑波大学エネルギー物質科学研究センター(TREMS)合同シンポジウム
• [Presentation] Near-Infrared Whispering Gallery Mode Photoluminescence from Conjugated Polymer Blend Microresonators (2018)
  • Author(s): 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 Friend, Yohei Yamamoto
  • Organizer: 筑波大学エネルギー物質科学研究センター(TREMS)合同シンポジウム
• [Presentation] Emission color switching with self-assembled polymer microdisk array (2018)
  • Author(s): Yusuke Kitayama, Yusuke Aikyo, Takeo Minari, Xuying Liu, Masakazu Morimoto, Masahiro Irie, Junpei Kuwabara, Takaki Kanbara, Yohei Yamamoto
  • Organizer: 筑波大学エネルギー物質科学研究センター(TREMS)合同シンポジウム
• [Presentation] Donor-Acceptor Dendrimer Crystals that Exhibit Sensitive Fluorescence Color Change with External Stimuli (2018)
  • Author(s): Yoo Jooyoung, Sae Nakajima, Ken Albrecht, Youhei Takeda, Satoshi, Minakata, Kimihisa Yamamoto, Yohei Yamamoto
  • Organizer: 筑波大学エネルギー物質科学研究センター(TREMS)合同シンポジウム
• [Presentation] 最先端光材料・光テクノロジー国際研究拠点形成に向けたTIA連携 (2018)
  • Author(s): 山本洋平
  • Organizer: 第17回NANOTECH総合展
• [Presentation] Wavelength Tunable Organic Microcrystal Lasers (2018)
  • Author(s): Daichi Okada, Hiroki Nishioka, Anna Ichimura, Hayato Tsuji, Fumio Sasaki, Eiichi Nakamura, Yohei Yamamoto
  • Organizer: CEMSupra 2018
• [Presentation] Whispering gallery modes from self-assembled microspheres of π-conjugated polymers coordinated with Eu3+ ions (2018)
  • Author(s): Zakarias Seba Ngara, Daichi Okada, Osamu Oki, Yohei Yamamoto
  • Organizer: CEMSupra 2018
  • Int'l Joint Research
• [Presentation] Near infrared whispering gallery modes from conjugated polymer blend microresonators (2018)
  • Author(s): 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 Friend, Yohei Yamamoto
  • Organizer: CEMSupra 2018
  • Int'l Joint Research
• [Presentation] Microporous Crystalline Dendrimers for Fluorescence Sensing (2018)
  • Author(s): Sae Nakajima, Soh Kushida, Ken Albrecht, Youhei Takeda, Satoshi Minakata, Kimihisa Yamamoto, Eiji Nishibori, Uwe H. F. Bunz, Yohei Yamamoto
  • Organizer: CEMSupra 2018
  • Int'l Joint Research
• [Presentation] 共役ポリマー光共振器の開発 (2017)
  • Author(s): 山本洋平
  • Organizer: 化学特別講演
  • Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Max Planck Institute for Polymer Research
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Leibniz Institute (IWF)
  • Int'l Joint Research / Invited
• [Presentation] 共役系有機材料によるマイクロレーザー共振器の開発 (2017)
  • Author(s): 岡田大地、山本洋平
  • Organizer: 第15回環境研究シンポジウム
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Fribourg University
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Organic Semiconductor Microlasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Wavelength Tuning in Carbon-Bridged Phenylenevinylene Cocrystal Microcavity Lasers (2017)
  • Author(s): Daichi Okada, Hiroki Nishioka, Anna Ichimura, Hayato Tsuji, Fumio Sasaki, Eiichi Nakamura, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Aggregation-induced-emission polymer-based whispering gallery mode resonators for gas and humidity sensing (2017)
  • Author(s): Airong Qiagedeer, Fumitaka Ishiwari, Takanori Fukushima, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Selective color switching with self-assembled polymer microdisk array (2017)
  • Author(s): Yusuke Kitayama, Yusuke Aikyo, Takeo Minari, Xuying Liu, Masakazu Morimoto, Masahiro Irie, Junpei Kuwabara, Takaki Kanbara, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Microporous Crystal from Carbazole Dendrimers (2017)
  • Author(s): Sae Nakajima, Soh Kushida, Ken Albrecht, Kimihisa Yamamoto, Eiji Nishibori, Yohei Yamamoto
  • Organizer: π造形国際シンポジウム
  • Int'l Joint Research
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Imperial College London
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Oxford University
  • Int'l Joint Research / Invited
• [Presentation] 圧力および温度に敏感な色変化を示すπ共役分子集合体 (2017)
  • Author(s): 中嶋紗英、アルブレヒト建、武田洋平、南方聖司、山元公寿、山本洋平
  • Organizer: 第32回高分子学会関東支部茨城地区若手交流会
• [Presentation] Aggregation-induced-emission polymer-based whispering gallery mode resonators for humidity sensing (2017)
  • Author(s): Airong Qiagedeer, Fumitaka Ishiwari, Takanori Fukushima, Yohei Yamamoto
  • Organizer: 第32回高分子学会関東支部茨城地区若手交流会
• [Presentation] Whispering Gallery Mode Lasing from π-Conjugated Polymer Microspheres with Europium Metal Complex (2017)
  • Author(s): Zakarias S. Ngara, Daichi Okada, Oki Osamu, Yohei Yamamoto
  • Organizer: 第32回高分子学会関東支部茨城地区若手交流会
• [Presentation] 発光性ポリマーマイクロ光共振器の開発 ～研究は出会いの連続～ (2017)
  • Author(s): 山本洋平
  • Organizer: 物質科学セミナー
• [Presentation] Collaboration and Exchange between Germany and Japan ~ Research is a series of encounters! ~ (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Alumni meeting of the German delegations to the Super Science High School (SSH) Student Fair 2012-2017
  • Int'l Joint Research
• [Presentation] AIE polymer-based WGM resonators for gas and humidity sensing (2017)
  • Author(s): Airong Qiagedeer, Fumitaka Ishiwari, Takanori Fukushima, Yohei Yamamoto
  • Organizer: 第4回π造形公開シンポジウム
• [Presentation] 圧力および温度に敏感な色変化を示すπ共役デンドリマー結晶 (2017)
  • Author(s): 中嶋紗英、アルブレヒト建、岡崎真人、武田洋平、南方聖司、山元公寿、山本洋平
  • Organizer: 第4回π造形公開シンポジウム
• [Presentation] Whispering Gallery Mode Lasing of microsphere from the self-assembly π-Conjugated Polymer Microspheres Coordinated with Eu3+ ion doped polystyrene (2017)
  • Author(s): Zakarias S. Ngara, Daichi Okada, Oki Osamu, Yohei Yamamoto
  • Organizer: 第4回π造形公開シンポジウム
• [Presentation] 共役ポリマーブレンド共振器内FRETを介した近赤外WGM発光 (2017)
  • Author(s): 大木理、櫛田創、畑中宏太、武田洋平、南方聖司、桑原純平、神原貴樹、Thang Dao、石井智、長尾忠昭、山本洋平
  • Organizer: 第4回π造形公開シンポジウム
• [Presentation] Whispering Gallery Mode Lasing from π-Conjugated Polymer Microspheres Coordinated with Eu3+ ions (2017)
  • Author(s): Zakarias S. Ngara, Daichi Okada, Oki Osamu, Yohei Yamamoto
  • Organizer: 第６回CSJ化学フェスタ
• [Presentation] 体温付近で敏感な発色および発光変化を示すπ共役ドナーアクセプターデンドリマー結晶 (2017)
  • Author(s): 中嶋紗英、アルブレヒト建、武田洋平、南方聖司、山元公寿、山本洋平
  • Organizer: 第６回CSJ化学フェスタ
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in University of Potsdam
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Leibniz Institute for Optical Technology
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Institute of Macromolecular Chemistry
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Johannes Kepler University
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in INF
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Universitat d’Alicante
  • Int'l Joint Research / Invited
• [Presentation] Laser Oscillation and Wavelength Control of Carbon-Bridged Oligophenylenevinylene Microcavities (2017)
  • Author(s): Daichi Okada, Hiroki Nishioka, Anna Ichimura, Hayato Tsuji, Fumio Sasaki, Eiichi Nakamura, Yohei Yamamoto
  • Organizer: 第66回高分子討論会
• [Presentation] Efficient Near-Infrared Whispering Gallery Mode Photoluminescence from π-Conjugated Polymer Blend Microsphere resonators (2017)
  • Author(s): Osamu Oki, Soh Kushida, Kota Hatanaka, Youhei Takeda, Satoshi Minakata, Junpei Kuwabara, Takaki Kanbara, Thang Dao, Satoshi Ishii, Tadaaki Nagao, Yohei Yamamoto
  • Organizer: 第66回高分子討論会
• [Presentation] 蛍光性フォトクロミック分子によるマイクロ光共振器アレイの形成と共振モード分裂 (2017)
  • Author(s): 岡田大地、森本正和、佐々木史雄、Dao Duy Thang, 石井智, 長尾忠昭、山本洋平
  • Organizer: 第66回高分子討論会
• [Presentation] 圧力および温度に敏感な色変化を示すπ共役デンドリマー集合体 (2017)
  • Author(s): 中嶋紗英、アルブレヒト建、武田洋平、南方聖司、山元公寿、山本洋平
  • Organizer: 第66回高分子討論会
• [Presentation] 炭素架橋フェニレンビニレンマイクロ結晶からのレーザー発振と波長変調 (2017)
  • Author(s): 岡田大地、西岡拓紀、辻勇人、中村栄一、佐々木史雄、山本洋平
  • Organizer: 第78回応用物理学会秋季学術講演会
• [Presentation] 蛍光性ジアリールエテン自己組織化マイクロ共振器とモード分裂 (2017)
  • Author(s): 岡田大地、森本正和、佐々木史雄、Dao Duy Thang、石井智、長尾忠昭、入江正浩、山本洋平
  • Organizer: 第78回応用物理学会秋季学術講演会
• [Presentation] Whispering Gallery Mode Lasing from π-Conjugated Polymer Microspheres Coordinated with Europium Complex (2017)
  • Author(s): Zakarias S. Ngara, Daichi Okada, Osamu Oki, Yohei Yamamoto
  • Organizer: 第78回応用物理学会秋季学術講演会
• [Presentation] π-conjugated polymer micro disk array (2017)
  • Author(s): Yusuke Kitayama
  • Organizer: ナノグリーンサマースクール
• [Presentation] 化学気相蒸着による2次元共役高分子合成 (2017)
  • Author(s): Kota Takahashi
  • Organizer: ナノグリーンサマースクール
• [Presentation] Interdisciplinary Joint Research in Chemistry and Physics Since 150-th Anniversary of German-Japanese Relations (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Japan Tag
  • Int'l Joint Research
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Technical University Munchen
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: JEX 2017 Workshop
  • Int'l Joint Research
• [Presentation] Self-assembled microcavities from conjugated macromolecules and polymers for optical and laser applications (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: 13th International Conference on Materials Chemistry (MC13)
  • Int'l Joint Research
• [Presentation] Whispering gallery mode lasing from self-assembled conjugated polymer microspheres (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Electrical and Related Properties of Organic Solids (ERPOS2017)
  • Int'l Joint Research
• [Presentation] Self-assembled microspheres from conjugated molecules and polymers for optical cavities and lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: International Symposium on Macrocyclic and Supramolecular Chemistry (ISMSC) in conjunction with ISACS: Challenges in Organic Materials & Supramolecular Chemistry
  • Int'l Joint Research
• [Presentation] Near-Infrared Whispering Gallery Mode Photoluminescence from Conjugated Polymer Blend Microresonators via Intrasphere FRET (2017)
  • Author(s): Osamu Oki, Soh Kushida, Youhei Takeda, Satoshi Minakata, Junpei Kuwabara, Takaki Kanbara, Thang Dao, Satoshi Ishii, Tadaaki Nagao, Yohei Yamamoto
  • Organizer: International Symposium on Macrocyclic and Supramolecular Chemistry (ISMSC) in conjunction with ISACS: Challenges in Organic Materials & Supramolecular Chemistry
  • Int'l Joint Research
• [Presentation] Whispering Gallery Mode Lasing from Self-Assembled Conjugated Polymer Microsphere Resonators (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: XXXVI Reunion BIENAL de la Real Sociedad Espanola de QUIMICA (BIENAL2017)
  • Int'l Joint Research
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in University of Malaga
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in Eindhoven University of Technology
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in DWI
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in University of Heidelberg
  • Int'l Joint Research / Invited
• [Presentation] Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: E-MRS 2017 Spring Meeting
  • Int'l Joint Research
• [Presentation] Self-Assembled Conjugated Organic/Polymer Microcavities for Optical Resonators and Lasers (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Seminar in University of Strasbourg
  • Int'l Joint Research / Invited
• [Presentation] Self-Assembled Conjugated Polymer Whispering Gallery Mode Microcavities for Lasing (2017)
  • Author(s): Yohei Yamamoto
  • Organizer: Frontiers in Polymer Chemistry
  • Int'l Joint Research
• [Remarks] 「２つの準位から同時にレーザー発振する有機結晶を開発」
  • URL: http://www.tsukuba.ac.jp/attention-research/p201806221400.html
• [Remarks] 「有機材料からレーザー 筑波大学教授 山本洋平氏」
  • URL: https://www.nikkei.com/article/DGKKZO32355920Y8A620C1TJN000/
• [Remarks] 「Spotting hazardous vapours in the air」
  • URL: https://www.natureindex.com/article/10.1039/c7cc09342j
• [Remarks] 山本・山岸研究室
  • URL: http://www.ims.tsukuba.ac.jp/~yamamoto_lab/Homepage_Japanese/toppu.html
• [Remarks] 研究ハイライト「結晶化するデンドリマー」（ 執筆：佐藤健太郎氏）現代化学2018年4月号p70
• [Remarks] 2018年3月5日 化学工業日報「光るデンドリマーを作成 ―筑波大など 溶媒蒸気の識別可能」
• [Remarks] 筑波大学広報「溶媒蒸気の識別が可能な新しい分子集合体材料を作成
  • URL: http://www.tsukuba.ac.jp/attention-research/p201802211400.html
• [Remarks] 2017年5月19日 筑波大学広報「共役ポリマーのみからなるマイクロ球体からのレーザー発振に成功」
  • URL: http://www.tsukuba.ac.jp/attention-research/p201705191400b.html
• [Remarks] Chem-Stationスポットライトリサーチ「生体分子を活用した新しい人工光合成材料の開発」
  • URL: http://www.chem-station.com/blog/2017/04/peptiteceosslinkers.html
• [Patent(Industrial Property Rights)] 有機マイクロ共振器、有機マイクロ共振器アレイ、偽造防止システム、スイッチング素子、有機マイクロ共振器の製造方法、有機マイクロ共振器アレイの製造方法 (2019)
  • Inventor(s): 山本洋平、岡田大地
  • Industrial Property Rights Holder: 山本洋平、岡田大地
  • Industrial Property Rights Type: 特許
  • Filing Date: 2019
• [Patent(Industrial Property Rights)] 有機マイクロディスクアレイおよびその製造方法 (2018)
  • Inventor(s): 山本洋平、北山雄介、岡田大地、三成剛生
  • Industrial Property Rights Holder: 山本洋平、北山雄介、岡田大地、三成剛生
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 2018-016723
  • Filing Date: 2018
• [Funded Workshop] 2018 Joint Symposium on Energy Materials Science and Technology (Workshop of Pre-Strategic Initiatives) (2018)
• [Funded Workshop] π-Figuration German-Japanese Workshop Heidelberg (2017)