Publications

2025

1. NEW! Yohei Hattori,* Ryota Matsuoka,* Atsumi Baba, Shun Yoshida, Mihoko Yamada, Ryo Fujita, Daiya Suzuki, Yoshitane Imai, Kingo Uchida, Tetsuro Kusamoto, Gwénaël Rapenne, Tsuyoshi Kawai*
   "A Luminescent Stable Triarylmethyl Diradical with an Axially Chiral Spacer"
   Chem. Eur. J. in press. DOI:10.1002/chem.202500284 → link

   

2024

1. Takuto Mibu,* Ryota Matsuoka, Masanari Nagasaka, and Tetsuro Kusamoto*
   "Emission enhancement in a luminescent polychlorinated diphenylpyridylmethyl radical through coordination to silver(I)"
   Dalton. Trans. 2024, 54, 2265-2270. → link

   

2. Takuya Akiyama, Tetsuro Kusamoto, Kazushi Mashima, and Hayato Tsurugi*
   "Synthesis of Multisubstituted Cyclopentadiene Derivatives from 3,3-Disubstituted Cyclopropenes and Internal Alkynes Catalyzed by Low-Valent Niobium Complexes"
   J. Am. Chem. Soc. 2024, 146, 33338-33348. → link

   

3. Sota Tamaki, Tetsuro Kusamoto, and Hayato Tsurugi*
   "Decarboxylative Alkylation of Carboxylic Acids with Easily Oxidizable Functional Groups Catalyzed by an Imidazole-Coordinated Fe₃ Cluster under Visible Light Irradiation"
   Chem. Eur. J. 2024, 30, e202402705. → link

   

4. Asato Mizuno,* Ryota Matsuoka, Shojiro Kimura, Keisuke Ochiai, and Tetsuro Kusamoto*
   "Spin-Correlated Luminescence of a Carbazole-Containing Diradical Emitter: Single-Molecule Magnetoluminescence and Thermally Activated Emission"
   J. Am. Chem. Soc. 2024, 146, 18470-18483. → link

   

5. Asato Mizuno, Ryota Matsuoka, Takuto Mibu, and Tetsuro Kusamoto*
   "Luminescent Radicals"
   Chem. Rev. 2024, 124, 1034-1121. → link

2023

1. Ryota Matsuoka,* Shojiro Kimura, Tomoaki Miura, Tadaaki Ikoma, and Tetsuro Kusamoto*
   "Single-molecule Magnetoluminescence from a Spatially Confined Persistent Diradical Emitter"
   J. Am. Chem. Soc. 2023, 145, 13615-13622. → link

   

2. Yugo Oshima,* Taishi Takenobu, Jiang Pu, Keisuke Ishiguro, Reizo Kato, Hiroshi M. Yamamoto, and Tetsuro Kusamoto
   "A Memristive Oscillator"
   Adv. Physics Res. 2023, 2300117. → link
3. Yohei Hattori,* Ryota Kitajima, Atsumi Baba, Kohei Yamamoto, Ryota Matsuoka, Tetsuro Kusamoto, and Kingo Uchida
   "Effects of hydrocarbon substituents on highly fluorescent bis(4-phenylphenyl)pyridylmethyl radical derivatives"
   Mater. Adv. 2023, 4, 5149-5159. → link

2022

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, 10, 2200628. → link

   

2. Ryota Matsuoka, Asato Mizuno, Takuto Mibu, and Tetsuro Kusamoto*
   "Luminescence of doublet molecular systems"
   Coord. Chem. Rev. 2022, 467, 214616. → link
3. 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

   

4. Taro Suemune, Keita Sonoda, Shuichi Suzuki, Hiroyasu Sato, Tetsuro Kusamoto, and Akira Ueda*
   "Partially Oxidized Purely Organic Zwitterionic Neutral Radical Conductor: Multi-step Phase Transitions and Crossover Caused by Intra- and Intermolecular Electronic Interactions"
   J. Am. Chem. Soc. 2022, in press. DOI: 10.1021/jacs.2c08813 → link

   

5. Yohei Hattori,* Ryota Kitajima, Wataru Ota, Ryota Matsuoka, Tetsuro Kusamoto, Tohru Sato, and Kingo Uchida
   "The simplest structure of a stable radical showing high fluorescence efficiency in solution: benzene donors with triarylmethyl radicals"
   Chem. Sci. 2022, 13, 13418-13425. → link

   

6. Yohei Hattori,* Ryota Kitajima, Ryota Matsuoka, Tetsuro Kusamoto, Hiroshi Nishihara, and Kingo Uchida
   "Amplification of luminescence of stable radicals by coordination to NHC-gold(I) complex"
   Chem. Commun. 2022, 58, 2560-2563. → link

   

2021

1. 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
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 ACCESS → 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. 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, 12, 2025-2029. Selected as a part of the themed collection: 2020 Chemical Science HOT Article Collection→ link
   Selected as the Inside Front Cover → link

   

7. Sara Mattiello, Francesca Corsini, Sara Mecca, Mauro Sassi, Riccardo Ruffo, Giuseppe Mattioli, Yohei Hattori, Tetsuro Kusamoto,* Gianmarco Griffini,* and Luca Beverina*
   "First demonstration of the use of stable open shell derivatives as organic luminophores for transparent Luminescent Solar Concentrators"
   Mater. Adv. 2021, 2, 7369-7378. → link
8. Yohei Hattori,* Shunsuke Tsubaki, Ryota Matsuoka, Tetsuro Kusamoto, Hiroshi Nishihara, and Kingo Uchida*
   "Expansion of Photostable Luminescent Radicals by Meta-Substitution"
   Chem. Asian J. 2021, 16, 2538-2544. → link
9. Ryo Yoshimoto, Satoshi Yamashita, Hiroki Akutsu, Yasuhiro Nakazawa*, Tetsuro Kusamoto, Yugo Oshima, Takehito Nakano, Hiroshi M. Yamamoto, and Reizo Kato
   "Electric dipole induced bulk ferromagnetism in dimer Mott molecular compounds"
   Sci. Rep. 2021, 1332. → link

2020

1. 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. Selected as a part of the themed collection: 2020 Emerging Investigators → link
   Selected as the Inside Front Cover → link

   

2. 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

   

3. Ryosuke Miyake*, Eri Suganuma, Shun Kimura, Hirotoshi Mori, Jun Okabayashi, and Tetsuro Kusamoto
   "Cyclic heterometallic interactions formed from a flexible tripeptide complex showing effective antiferromagnetic spin coupling"
   Angew. Chem. Int. Ed. 2020, 60, 5179-5183. → link
4. Hiroaki Maeda, Aayushi Bajpayee, Tetsuro Kusamoto, and Hiroshi Nishihara
   "Construction of Bis(2,6-bis(1-methylbenzimidazol-2-yl)pyridine)iron(II) Coordination Polymer for Incorporation of Magnetic Function"
   JIOPM 2020, 30, 147-152. → link

2019

1. Shun Kimura, Hikaru Uchida, Tetsuro Kusamoto*, and Hiroshi Nishihara*
   "One-dimensional magnetic chain composed of Cu^II and polychlorinated dipyridylphenylmethyl radical: temperature-dependent Jahn-Teller distortion correlated to π-conjugation and magnetic properties"
   Dalton Trans. 2019, 48, 7090-7093. Selected as a HOT article → link

   

2. 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

   

3. 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. Selected as a HOT paper → link
4. 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
5. Toyohiro Usui, Zhendong Liu, Hirokazu Igarashi, Yukichi Sasaki, Yuji Shiramata, Hiroki Yamada, Koji Ohara, Tetsuro Kusamoto, and Toru Wakihara*
   "Identifying the Factors Governing the Early-Stage Degradation of Cu-Chabazite Zeolite for NH₃-SCR"
   ACS Omega 2019, 4, 3653-3659. → link
6. Hiroshi Okada, Hiroshi Ueno, Yasuhiro Takabayashi, Takeshi Nakagawa, Martina Vrankic, John Arvanitidis, Tetsuro Kusamoto, Kosmas Prassides*, and Yutaka Matsuo*
   "Chemical reduction of Li⁺@C₆₀ by decamethylferrocene to produce neutral Li⁺@C₆₀^•-"
   Carbon 2019, 153, 467-471. → link

Selected publications before 2018

1. Tetsuro Kusamoto* and Hiroshi Nishihara*
   "Efficiency breakthrough for radical LEDs"
   Nature 2018, 563, 480-481. NEWS AND VIEWS →link
2. 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. Selected as VIP →link →Inside cover
3. 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
4. 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
5. 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
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. Tetsuro Kusamoto*, Yohei Hattori, Akira Tanushi, Hiroshi Nishihara*
    "Intramolecular Ferromagnetic Radical-Cu^II Coupling in a Cu^II Complex Ligated with Pyridyl-Substituted Triarylmethyl Radicals"
    Inorg. Chem. 2015, 54, 4186-4188. →link
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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, [M^IICl₄]^2- (M = Co, Mn, Zn)"
    Bull. Chem. Soc. Jpn. 2006, 79, 527-536. BCSJ Award article →link
24. Tetsuro Kusamoto, Emiko Fujiwara, Akiko Kobayashi,*
    "Molecule-based Weak Ferromagnet with Unique Magnetic Multiphases"
    Chem. Lett. 2005, 36, 858-859. →link

Presentations

2022

1. Tetsuro Kusamoto ''Spin-correlated Photofunctions Based on Luminescent Radicals'' Institute for Materials Research International Symposium (Tohoku University, Sendai, Japan), Oct. 8, 2022. 招待講演
2. Tetsuro Kusamoto ''An open-shell, magnetoluminescent, two-dimensional coordination polymer with a triangular organic radical ligand'' 8th Asian Conference on Coordination Chemistry (ACCC8 2022) (online, Taipei, Taiwan) August 10, 2022. 招待講演
3. 草本 哲郎 ''安定有機ラジカルを基とするスピン相関発光機能の創出'' 第6回高密度共役若手会セミナー（オンライン) 2022年8月5日 招待講演
4. 草本 哲郎 ''有機ラジカルが示すスピン相関発光機能'' 愛媛大学工学部工学科　化学・生命科学コース　応用化学セミナー（愛媛大学、愛媛）2022年7月29日 招待講演
5. Tetsuro Kusamoto ''Spin-correlated photoluminescence of organic radicals'' 25th IUPAC International Conference on Physical Organic Chemistry (ICPOC 25) (Hiroshima City Bunka Koryu Kaikan, Hiroshima, Japan), July 14, 2022. 招待講演
6. 草本哲郎 ''不対電子を有する分子性物質が示す磁気・電気・光機能'' ISSPワークショップ　「1000テスラ超強磁場科学の開拓」（オンライン、東京) 2022年6月11日 招待講演
7. Tetsuro Kusamoto ''Spin-correlated Luminescence of Organic Radicals and Radical-based Metal Complexes'' The 102nd CSJ Annual Meeting, Luminescence Chemistry Ensemble:Diverse Exciton Chemistry for Future Science (オンライン、東京) 2022年3月26日 招待講演
8. 松岡亮太・木村尚次郎・草本哲郎 ''安定発光ラジカルが示す単分子マグネトルミネッセンスの観測'' 日本化学会第102春季年会 (オンライン、東京) 2022年3月25日

2021

1. 草本 哲郎 ''有機ラジカルで挑むトポロジカル物質開拓と光機能創出'' さきがけ・CREST トポロジー合同 第 1 回 インフォーマルミーティング「高分子が拓くトポロジカル科学」(オンライン、東京) 2021年12月6日 招待講演
2. Ryota Matsuoka, Tetruto Kusamoto, ''Magnetic Field Effect on the Luminescence of Stable Radicals at the Single-Molecular Level'' 7th Kanto Area Spin Chemistry Meeting (KASC 2021) (Online) Dec. 18, 2021.
3. 草本 哲郎 ''有機ラジカルが示す発光特性の磁場効果'' 強磁場オンライン研究会2021(オンライン、仙台) 2021年11月30日 招待講演
4. 草本 哲郎 ''発光性有機ラジカルに基づく磁気・光機能開拓'' 日本磁気科学会 令和３年 物理化学分科会「電子スピンの検出と応用－磁場効果現象における物理化学と学際的磁気科学」(オンライン、京都) 2021年10月7日 招待講演
5. 松岡亮太・木村尚次郎・草本哲郎 ''安定有機ラジカルの室温固体発光と発光特性の磁場効果'' 第31回基礎有機化学討論会 (オンライン), 2021年9月21日
6. 草本 哲郎 ''研究公正倫理推進委員会・若手の会　合同企画「これからの研究のあり方－研究インテグリティと若手研究者－」'' 錯体化学会第71回討論会 (オンライン、大阪) 2021年9月18日 パネラー参加
7. 松岡亮太・木村尚次郎・草本哲郎 ''安定有機ラジカルの室温固体発光'' 2021年光化学討論会 (オンライン), 2021年9月14日
8. 草本 哲郎 ''開殻電子系分子の開発を基とする発光・磁気機能創出'' 第６回分子性固体オンラインセミナー (オンライン、東京) 2021年4月15日 招待講演
9. 松岡亮太・木村尚次郎・草本哲郎 ''室温で固体発光を示す安定有機ラジカルの合成'' 日本化学会第101春季年会 (オンライン), 2021年3月19日
10. 草本 哲郎 ''ラジカル――奇数個の電子をもつ分子が示すユニークな機能'' 市民公開講座 第127回分子科学フォーラム (オンライン、岡崎) Feb. 5th, 2021. 招待講演
11. Tetsuro Kusamoto, ''A Cu(II)-radical heterospin magnetic chain: temperature-dependent Jahn-Teller distortion correlated to π-conjugation and magnetic properties'' RSC Dalton Transactions New Talent: Asia-Pacific Desktop Seminar (Online) Feb. 2nd, 2021. 招待講演
12. Tetsuro Kusamoto, Shun Kimura, Hikaru Uchida, Hiroshi Nishihara ''Stimuli-Responsive Photonic, Electronic, and Magnetic Functions in Pyridyl-Containing Luminescent Radicals''The 1st Asian Conference on Molecular Magnetism (ACMM) (Online, Fukuoka) March 8, 2021.

2020

1. 草本 哲郎 ''開殻電子系分子が示す機能'' 第132回 フロンティア材料研究所学術講演会（無機化学セミナー）「殻自由度を利用した材料・機能開発」(オンライン、東京) 2020年12月18日 招待講演
2. 草本 哲郎 ''安定ラジカルが示す発光機能'' 第2回"光"機到来！Qコロキウム (オンライン、福岡) 2020年6月18日 招待講演
3. 草本 哲郎 ''企業での経験と今の自分'' 分子科学研究所所長招聘会議 公開WEBシンポジウム「光り輝く博士課程卒業生」（オンライン、岡崎) 2020年6月3日 招待講演

2019

1. Tetsuro Kusamoto, ''Photofunctions of Stable Organic Radicals'' PCOSS-IMS Bilateral Symposium (Xiamen University, Xiamen, China) December 22, 2019. 招待講演
2. 草本 哲郎 ''安定有機ラジカルが示す発光機能'' 有機EL討論会　第29回例会（岡崎コンファレンスセンター、愛知）, 2019年11月22日 招待講演
3. 草本 哲郎 ''ラジカルが示すユニークな機能：電気、磁気、そして発光特性'' 第18回 自然科学研究機構 小森彰夫 機構長プレス懇談会（自然科学研究機構事務局会議室、東京）, 2019年11月15日 依頼講演
4. 草本 哲郎 ''安定ラジカルを基とする発光機能創出''第4回 有機若手ワークショップ（京都大学理学研究科セミナーハウス、京都), 2019年11月13日 招待講演
5. Tetsuro Kusamoto, ''Luminescence and Structure-Magnetism Correlation of Open-Shell Metal Complexes'' 7TH ASIAN CONFERENCE ON COORDINATION CHEMISTRY (ACCC7) (Putra World Trade Centre, Kuala Lumpur, Malaysia), October 15, 2019. 招待講演
6. 草本 哲郎 ''錯体化学を基とする開殻電子系分子の光機能創出'' 錯体化学会第69回討論会(名古屋大学東山キャンパス、愛知), 2019年9月23日 受賞講演
　　　　　　　　　
7. 石原芽衣・草本 哲郎・近藤 美欧・正岡 重行 ''解離性プロトンを有する金属五核錯体の合成と性質''　錯体化学会第69回討論会(名古屋大学東山キャンパス、愛知), 2019年9月23日
8. 藤澤真由・石見輝・可知真美・草本哲郎・近藤美欧・正岡重行 ‘‘Co₄O₄キュバン型錯体の自己集積による新規フレームワーク構築とその物性評価''　錯体化学会第69回討論会(名古屋大学東山キャンパス、愛知), 2019年9月23日
9. Tetsuro Kusamoto, ''Magnetoluminescence in photostable radicals'' Spin Chemistry Meeting 2019 (Courtyard by Marriott West Pushkin Hotel, St. Petersburg, Russia), August 17, 2019. 招待講演
10. Shun Kimura, Tetsuro Kusamoto, Shojiro Kimura, Ken Kato, Yoshio Teki, Hiroshi Nishihara ,''Magnetic Field Effect on the Luminescence of Stable Radicals in a Rigid Environment''　Spin Chemistry Meeting 2019 (Courtyard by Marriott West Pushkin Hotel, St. Petersburg, Russia), August 17, 2019.
11. 石原芽衣・岡村将也・草本 哲郎・近藤 美欧・正岡 重行 ''解離性プロトンを有する金属五核錯体の合成と性質''　錯体化学若手研究会「錯体化学若手の会夏の学校2019」(栄屋ホテル、山形), 2019年7月31日
12. 藤澤真由・石見輝・可知真美・草本哲郎・近藤美欧・正岡重行 ''相補的相互作用部位を有する配位子を導入したCo₄O₄キュバン型錯体の自己集積による新規フレームワークの構築''　錯体化学若手研究会「錯体化学若手の会夏の学校2019」(栄屋ホテル、山形), 2019年7月31日
13. Tetsuro Kusamoto, ''Photostable Organic Radicals with Unique Photofunctions'' 17th Japan-Korea Symposium on Molecular Science (Hotel Sunroute Plaza Nagoya, Nagoya), July 29, 2019. 招待講演
14. Tetsuro Kusamoto, ''Magnetoluminescence in photostable radicals'' 9th Pacific Symposium on Radical Chemistry (PSRC-9) (Asilomar Conference Grounds, California, USA), June 17, 2019. 招待講演
15. Tetsuro Kusamoto, ''開殻π電子系が拓く発光・磁気特性'' 第4回固体化学フォーラム研究会（分子研、岡崎）, 2019年6月10日 招待講演

Selected presentations before 2018

1. Tetsuro Kusamoto, ''Magnetic field effect on emission spectrum and lifetime of a PyBTM radical doped into host crystals'' 4th Kanto Area Spin Chemistry Meeting (KASC 4th meeting) (Gunma University, Kiryu, Japan), Nov. 24, 2018. 招待講演
2. Tetsuro Kusamoto, ''Chemically-controlled luminescence and magnetism of stable radicals'' Rising star ICMM2018 Pre-Conference (Windsor Marapendi Hotel, Rio de Janeiro, Brazil), Sep. 1, 2018. 招待講演
3. Tetsuro Kusamoto, ''Development and magnetic field effect of luminescent stable radicals'' 3rd KASC meeting (Kanagawa University, Kanagawa), Dec. 16, 2017. 招待講演
4. Tetsuro Kusamoto, ''Photostable Fluorescent Radicals: Modulated Luminescence by Coordination to Metal'' 8th Pacific Symposium on Radical Chemistry (PSRC-8) (QUT, Brisbane, Queensland, Australia), July 21, 2017. 招待講演
5. Tetsuro Kusamoto, ''Stimuli-Responsive Fluorescent Radicals'' International Symposium on Pure & Applied Chemistry (ISPAC2017), POC06, Ho Chi Minh City (HCMC), Vietnam., Jun. 9, 2017. 招待講演
6. 草本哲郎 ''光るラジカル''　錯体化学若手の会 北陸支部勉強会（金沢大学、石川）2016年12月3日 招待講演
7. Tetsuro Kusamoto, ''Enhanced fluorescence in stable organic radicals'' ETHZ-UTokyo Joint Symposium of Frontier Chemistry (The Univ. of Tokyo, Tokyo, Japan), Nov. 9, 2016. 招待講演
8. Tetsuro Kusamoto, ''Luminescent Open-Shell Organic Radicals and the Metal Complexes'' International Conference on Coordination Chemistry 2016 (ICCC2016) S6.IS6 (Le Quartz Congres, Brest, France), July 7, 2016. 招待講演
9. Tetsuro Kusamoto, ''Highly Photostable Luminescent Organic Radicals and the Metal Complexes'' 13^th Materials Science School for Young Scientists －Rising Star Pre-ICMM@IMR－ (IMR, Sendai, Japan) Sep. 4, 2016. 招待講演