研究室の紹介

自己紹介

草本 哲郎 (KUSAMOTO Tetsuro) 准教授

名前

草本 哲郎 (KUSAMOTO Tetsuro)

生年月日

1981年3月8日

出身

兵庫県神戸市

学位

博士(理学) 東京大学, 2010

学歴

2003年 3月 東京大学理学部化学科 卒業
2005年 3月 東京大学大学院理学系研究科化学専攻修士課程 修了
2010年 3月 東京大学大学院理学系研究科化学専攻博士課程 修了

職歴

2005年 4月 - 2007年 3月 ソニー株式会社、マテリアル研究所
2007年11月 - 2010年 3月 日本学術振興会 特別研究員(DC1)
2010年 4月 - 2011年 3月 理化学研究所 特別研究員(加藤分子物性研究室)
2011年 4月 - 2012年 9月 理化学研究所 基礎科学特別研究員(加藤分子物性研究室)
2012年 9月 - 2013年10月 東京大学 大学院理学系研究科化学専攻 特任助教(無機化学研究室)
2013年10月 - 2018年12月 東京大学 大学院理学系研究科化学専攻 助教(無機化学研究室)
2019年1月 - 2023年3月 分子科学研究所 生命・錯体分子科学研究領域 錯体物性研究部門 准教授
総合研究大学院大学 物理科学研究科 機能分子科学専攻 准教授
2020年11月 - 2024年3月 国立研究開発法人科学技術振興機構 さきがけ研究者(兼務)
2023年4月 - 現在 大阪大学大学院 基礎工学研究科 物質創成専攻 未来物質領域 教授
2024年4月 - 現在 国立研究開発法人科学技術振興機構 創発的研究支援事業 創発研究者(兼務)

受賞

  • 2019年 錯体化学会 研究奨励賞
    「Development of of Photofunctions of Open-shell Molecules Based on Coordination Chemistry」
  • 2011年 第5回分子科学討論会(札幌)2011 分子科学会優秀講演賞
    「Bi-layer 構造を有するNi(dmit)2アニオンラジカル塩の開発」
  • 2011年 ISSMMM(International School & Symposium on Multifunctional Molecule-based Materials、米国アルゴンヌ)ポスター賞1位(化学)
    「Development of Ni(dmit)2 Anion Radical Salts Structurally Controlled by Halogen Bonding」
  • 2010年 東京大学大学院理学系研究科研究奨励賞
    「TEMPO-bound Metalladithiolenes: SOMO-HOMO Converted Unique Electronic Structure and Their Physical and Chemical Properties」
  • 2008年 日本化学会 第88春季年会 学生講演賞
    「TEMPOラジカル含有ジチオラト配位子とその白金錯体における電子状態制御」
  • 2006年 BCSJ Award
    「BDT-TTP-Based π Conductors Containing Divalent Magnetic and Non-Magnetic Anions, [MCl4]2- (M = Co, Mn, Zn)」
    Bull. Chem. Soc. Jpn. 2006, 79, 527-536.

学会・アウトリーチ活動

  • Advisory board member of Journal of Materials Chemistry C (RSC)(2022年-現在)
  • International advisory board member of Asian Conference on Molecular Magnetism (ACMM)(2021年-現在)
  • 1st ACMM Local Organizing Committee Member(2021年)
  • International Conference on Coordination Chemistry (ICCC) 2018 セッションS36組織委員(2018年)
  • 錯体化学会第69回討論会 実行委員(2019年)
  • 錯体化学会    副事務局長(2019年-現在)
  • 錯体化学会    ホームページ委員長(2019年-現在)
  • 錯体化学会    将来計画委員(2019年-2020年)
  • 錯体化学若手の会 中部・東海支部世話人(2019年-2021年)
  • 錯体化学若手の会 事務局(2016年-2017年)
  • 錯体化学若手の会 夏の学校2014 幹事(2014年)
  • 錯体化学若手の会 関東支部世話人(2012年-2018年)

代表的な原著論文 Selected publications

Full publication list → ORCID
  1. Hwan-Hee Cho, Shun Kimura, Neil C. Greenham, Yuki Tani, Ryota Matsuoka, Hiroshi Nishihara, Richard H. Friend,* Tetsuro Kusamoto,* and Emrys W. Evans*
    "Near-Infrared Light-Emitting Diodes from Organic Radicals with Charge Control"
    Adv. Opt. Mater. 2022, 2200628. → link
  2. Tetsuro Kusamoto*, Chie Ohde, Shiori Sugiura, Satoshi Yamashita,* Ryota Matsuoka, Taichi Terashima, Yasuhiro Nakazawa, Hiroshi Nishihara,* and Shinya Uji*
    "An Organic Quantum Spin Liquid with Triangular Lattice: Spinon Fermi Surface and Scaling Behavior"
    Bull. Chem. Soc. Jpn. 2022, 95, 306-313. → link
  3. Ryota Matsuoka,* Shojiro Kimura, and Tetsuro Kusamoto*
    "Solid-State Room-Temperature Near-Infrared Photoluminescence of a Stable Organic Radical"
    ChemPhotoChem 2021, 5, 669-673. → link
  4. Shun Kimura, Ryota Matsuoka, Shojiro Kimura, Hiroshi Nishihara, and Tetsuro Kusamoto*
    "Radical-Based Coordination Polymers as a Platform for Magnetoluminescence"
    J. Am. Chem. Soc. 2021, 143, 5610-5615. → link
  5. Shun Kimura, Motoyuki Uejima, Wataru Ota, Tohru Sato, Shinpei Kusaka, Ryotaro Matsuda, Hiroshi Nishihara*, and Tetsuro Kusamoto*
    "An Open-shell, Luminescent, Two-Dimensional Coordination Polymer with a Honeycomb Lattice and Triangular Organic Radical"
    J. Am. Chem. Soc. 2021, 143, 4329-4338. → link
  6. Ryota Matsuoka, Tatsuhiro Yoshimoto, Yasutaka Kitagawa, and Tetsuro Kusamoto*
    "Structural and Magnetic Studies on Nickel(II) and Cobalt(II) Complexes with Polychlorinated Diphenyl(4-pyridyl)methyl Radical Ligands"
    Molecules 2021, 26, 5596. → link
  7. Shun Kimura, Shojiro Kimura, Ken Kato, Yoshio Teki*, Hiroshi Nishihara*, and Tetsuro Kusamoto*
    "A ground-state-dominated magnetic field effect on the luminescence of stable organic radicals"
    Chem. Sci. 2021, in press. → link
  8. Shun Kimura, Shojiro Kimura, Hiroshi Nishihara*, and Tetsuro Kusamoto*
    "Excimer emission and magnetoluminescence of radical-based zinc(II) complexes doped in host crystals"
    Chem. Commun. 2020, 56, 11195-11198. → link
  9. Chie Ohde, Tetsuro Kusamoto*, and Hiroshi Nishihara*
    "Effects of halogen atom replacement on the structure and magnetic properties of a molecular crystal with supramolecular two-dimensional network mediated via sulfur's σ-holes"
    J. Magn. Magn. Mater. 2020, 497, 165986. → link
  10. Shun Kimura, Hikaru Uchida, Tetsuro Kusamoto*, and Hiroshi Nishihara*
    "One-dimensional magnetic chain composed of CuII and polychlorinated dipyridylphenylmethyl radical: temperature-dependent Jahn-Teller distortion correlated to π-conjugation and magnetic properties"
    Dalton Trans. 2019, 48, 7090-7093.→link
  11. Akira Tanushi, Shun Kimura, Tetsuro Kusamoto*, Moe Tomonaga, Yasutaka Kitagwa, Masayoshi Nakano, and Hiroshi Nishihara*
    "NIR Emission and Acid-Induced Intramolecular Electron Transfer Derived from a SOMO-HOMO Converted Non-Aufbau Electronic Structure"
    J. Phys. Chem. C 2019, 123, 4417-4423. →link
  12. Ken Kato, Shun Kimura, Tetsuro Kusamoto*, Hiroshi Nishihara*, and Yoshio Teki*
    "Luminescent Radical‐Excimer: Excited‐State Dynamics of Luminescent Radicals in Doped Host Crystals"
    Angew. Chem. Int. Ed. 2019, 58, 2606-2611. →link
  13. Tetsuro Kusamoto* and Hiroshi Nishihara*
    "Efficiency breakthrough for radical LEDs"
    Nature 2018, 563, 480-481. NEWS AND VIEWS →link
  14. Shun Kimura, Tetsuro Kusamoto*, Shojiro Kimura, Ken Kato, Yoshio Teki, and Hiroshi Nishihara*
    "Magnetoluminescence in a Photostable, Brightly Luminescent Organic Radical in a Rigid Environment"
    Angew. Chem. Int. Ed. 2018, 57, 12711-12715. →link →Inside cover
  15. Shun Kimura, Akira Tanushi, Tetsuro Kusamoto*, Shuntaro Kochi, Tohru Sato, and Hiroshi Nishihara*
    "A Luminescent Organic Radical with Two Pyridyl Groups: High Photostability, Dual Stimuli-Responsive Property, and Theoretical Analyses of Photophysical Processes"
    Chem. Sci. 2018, 9, 1996-2007. →link
  16. Yohei Hattori, Shun Kimura, Tetsuro Kusamoto*, Hiroaki Maeda, and Hiroshi Nishihara*
    "Cation-responsive turn-on fluorescence and absence of heavy atom effects of pyridyl-substituted triarylmethyl radicals"
    Chem. Commun. 2018, 54, 615-618. →link
  17. Chie Ohde, Tetsuro Kusamoto*, Koji Nakabayashi, Shin-ichi Ohkoshi, Hiroshi Nishihara*
    "Supramolecular Two-Dimensional Network Mediated via Sulfur's σ-Holes in a Conducting Molecular Crystal: Effects of Its Rigidity on Physical Properties and Structural Transition"
    Cryst. Growth Des. 2017, 17, 2230-2210. →link
  18. Yasuyo Ogino, Tetsuro Kusamoto*, Yohei Hattori, Masaki Shimada, Mizuho Tsuchiya, Yoshinori Yamanoi, Eiji Nishibori, Kunihisa Sugimoto, Hiroshi Nishihara*
    "Solvent-Controlled Doublet Emission of an Organometallic Gold(I) Complex with a Polychlorinated Diphenyl(4-pyridyl)methyl Radical Ligand: Dual Fluorescence and Enhanced Emission Efficiency"
    Inorg. Chem. 2017, 56, 3909-3915. →link
  19. Yohei Hattori, Tetsuro Kusamoto*, Tohru Sato, Hiroshi Nishihara*
    "Synergistic Luminescence Enhancement of a Pyridyl-substituted Triarylmethyl Radical Based on Fluorine Substitution and Coordination to Gold"
    Chem.Comm. 2016, 52, 13393-13396. →link
  20. Tetsuro Kusamoto*, Shun Kimura, Yasuyo Ogino, Chie Ohde, Hiroshi Nishihara*
    "Modulated Luminescence of a Stable Open-shell Triarylmethyl Radical: Effects of Chemical Modification on its Electronic Structure and Physical Properties"
    Chem. Eur. J. 2016, 22, 17725-17733. →link
  21. Tetsuro Kusamoto*, Shun Kimura, Hiroshi Nishihara*
    "Structural and Magnetic Investigations of a Heterospin System Composed of High-spin Mn(II) and Pyridyl-containing Triarylmethyl Radicals"
    Chem Lett. 2016, 45, 1057-1059. →link
  22. Yohei Hattori, Tetsuro Kusamoto*, Hiroshi Nishihara*
    "Highly Photostable Luminescent Open-shell (3,5-Dihalo-4-pyridyl)bis(2,4,6-trichlorotrichlorophenyl)methyl Radicals: Significant Effects of Halogen Atoms on Their Photophysical and Photochemical Properties"
    RSC Adv. 2015, 5, 64802-64805. →link
  23. Akira Tanushi, Tetsuro Kusamoto*, Yohei Hattori, Kenji Takada, Hiroshi Nishihara*
    "Spin-Reconstructed Proton-Coupled Electron Transfer in a Ferrocene-Nickeladithiolene Hybrid"
    J. Am. Chem. Soc. 2015, 137, 6448-6451. →link
  24. Tetsuro Kusamoto*, Yohei Hattori, Akira Tanushi, Hiroshi Nishihara*
    "Intramolecular Ferromagnetic Radical-CuII Coupling in a CuII Complex Ligated with Pyridyl-Substituted Triarylmethyl Radicals"
    Inorg. Chem. 2015, 54, 4186-4188. →link
  25. Yohei Hattori, Tetsuro Kusamoto*, Hiroshi Nishihara*
    "Enhanced Luminescent Properties of an Open-Shell (3,5-Dichloro-4-pyridyl)bis(2,4,6-trichlorophenyl)methyl Radical by Coordination to Gold"
    Angew. Chem. Int. Ed 2015, 54, 3731-3734. →link
  26. Yohei Hattori, Tetsuro Kusamoto*, Hiroshi Nishihara*
    "Luminescence, Stability, and Proton Response of an Open-Shell (3,5-Dichloro-4-pyridyl)bis(2,4,6-trichlorophenyl)methyl Radical"
    Angew. Chem. Int. Ed 2014, 53, 11845-11848. →link
  27. Tetsuro Kusamoto*, Hiroshi Nishihara, Reizo Kato
    "Substituent-Dependent Spin-Density Distribution and Coexistence of Fe 3d and π Spins on Ferrocene-Tetrathiafulvalene Hybrids"
    Inorg. Chem. 2013, 52, 13809-13811. →link
  28. Tetsuro Kusamoto*, Hiroshi M. Yamamoto, Reizo Kato
    "Utilization of σ-Holes on Sulfur and Halogen Atoms for Supramolecular Cation-Anion Interactions in Bilayer Ni(dmit)2 Anion Radical Salts"
    Cryst. Growth Des. 2013, 13, 4533-4541. →link
  29. Tetsuro Kusamoto*, Hiroshi M. Yamamoto, Naoya Tajima, Yugo Oshima, Satoshi Yamashita, Reizo Kato
    "Bilayer Mott System with Cation…Anion Supramolecular Interactions Based on Nickel Dithiolene Anion Radical:Coexistence of Ferro- and Antiferromagnetic Anion Layers and Large Negative Magnetoresistance"
    Inorg. Chem. 2013, 52, 4759-4761. →link
  30. Tetsuro Kusamoto, Kenji Takada, Ryota Sakamoto, Shoko Kume, Hiroshi Nishihara*
    "Ferrocene-Dithiolene Hybrids: Control of Strong Donor-Acceptor Electronic Communication to Reverse the Charge Transfer Direction"
    Inorg. Chem. 2012, 51, 12102-12113. (selected as a cover art) →link
  31. Tetsuro Kusamoto,* Hiroshi M. Yamamoto, Naoya Tajima, Yugo Oshima, Satoshi Yamashita, Reizo Kato
    "Bilayer Mott System Based on Ni(dmit)2 (dmit = 1,3-dithiole-2-thione-4,5-dithiolate) Anion Radicals: Two Isostructural Salts Exhibit Contrasting Magnetic Behavior"
    Inorg. Chem. 2012, 51, 11645-11654. →link
  32. Tetsuro Kusamoto, Shoko Kume, Hiroshi Nishihara*
    "Cyclization of TEMPO Radicals Bound to Metalladithiolene Induced by SOMO-HOMO Level Conversion"
    Angew. Chem. Int. Ed. 2010, 49, 529-531. →link
  33. Tetsuro Kusamoto, Jaime Ruiz, Didier Astruc*
    "Towards Molecular Batteries: Coverage of Small Aminosilica Nanoparticles with Ferrocenyl and Pentamethylferrocenyl Groups and Their Redox Properties"
    New. J. Chem. 2009, 33, 2204-2207. →link
  34. Tetsuro Kusamoto, Shoko Kume, Hiroshi Nishihara*
    "Realization of SOMO-HOMO Level Conversion for a TEMPO-Dithiolate Ligand by Coordination to Platinum(II)"
    J. Am. Chem. Soc. 2008, 130, 13844-13845. →link
  35. Tetsuro Kusamoto, Emiko Fujiwara, Akiko Kobayashi,* Hengbo Cui, Takeo Otsuka, Yoshinori Okano, Hideki Fujiwara, Hayao Kobayashi
    "BDT-TTP-Based π Conductors Containing Divalent Magnetic and Non-Magnetic Anions, [MIICl4]2- (M = Co, Mn, Zn)"
    Bull. Chem. Soc. Jpn. 2006, 79, 527-536. (Award article) →link
  36. Tetsuro Kusamoto, Emiko Fujiwara, Akiko Kobayashi,*
    "Molecule-based Weak Ferromagnet with Unique Magnetic Multiphases"
    Chem. Lett. 2005, 36, 858-859. →link

総説 Review

  1. Ryota Matsuoka, Asato Mizuno, Takuto Mibu, and Tetsuro Kusamoto*
    "Luminescence of doublet molecular systems"
    Coord. Chem. Rev. 2022, 467, 214616. →link
  2. Tetsuro Kusamoto* and Shun Kimura
    "Photostable Luminescent Triarylmethyl Radicals and Their Metal Complexes: Photofunctions Unique to Open-shell Electronic States"
    Chem. Lett. 2021, 50, 1445-1459. OPEN ACCESSlink
  3. Tetsuro Kusamoto* and Hiroshi Nishihara*
    "Zero-, one- and two-dimensional bis(dithiolato)metal complexes with unique physical and chemical properties"
    Coord. Chem. Rev. 2019, 380, 419-439. →link
  4. 草本 哲郎, 神戸 徹也, 西原 寛
    "π共役金属ジチオレン錯体の新次元展開"
    日本結晶学会誌 2013, 55, 323-330. →link