| Research papers |
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Authors: Keigo Yano, MATSUO Takumi, HAYASHI Shotaro
Title: 2D Elastic Fluorinated Donor–Accepter Type π-Conjugated Molecular Crystals and Its Optical Crystal-Polymer Hybrid Film
Journal: Journal of Materials Chemistry C, RSC
Year: 2025
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Authors: Armando Navarro-Huerta, MATSUO Takumi, Alexander S. Mikherdov, Jan Blahut, Erika Bartůňková, Pingyu Jiang, Martin Dračínský, Simon Teat, Mingoo Jin, HAYASHI Shotaro, Braulio Rodríguez-Molina
Title: Optical Waveguiding Charge-Transfer Cocrystals: Examining the Impact of Molecular Rotations on Their Photoluminescence
Journal: Journal of the American Chemical Society, ACS
Year: 2025
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Authors: MATSUO Takumi, Soichiro Azuma, Mahiro Nakabayashi, Fumio Sasaki, HAYASHI Shotaro
Title: Cyano-Substituted Distyrylbenzene Derivative for Laser Media: High Solid-State Luminescence and Processabilities by tert-Butyl Appending Design
Journal: Advanced Optical Materials, Wiley
Year: 2025
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Authors: Saki Tanaka, MATSUO Takumi, HAYASHI Shotaro
Title: Crystal Structures of Highly Electron-Accepting Naphtho[1,2-c:5,6-c]bis[1,2,5]chalcogendiazole
Journal: Crystal Research and Technology, Wiley
Year: 2024
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Authors: Koki Ikeda, MATSUO Takumi, Keigo Yano, HAYASHI Shotaro
Title: Luminescent Anthracene-based Elastic Mixed Molecular Crystals for Flexible and FRET-Assisted Optical Waveguides
Journal: Bulletin of the Chemical Society of Japan
Year: 2024
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Authors: Shotaro HAYASHI, Keisuke Shimada, MATSUO Takumi
Title: Highly and Deep Red-luminescent Bisphenylamine-appended Benzocarcogendiazole Fluorophores
Journal: ChemPhysChem, Wiley
Year: 2024
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Authors: Tomohiro Seki, Shiori Kobayashi, Rintaro Ishikawa, Keigo Yano, MATSUO Takumi, HAYASHI Shotaro
Title: Preparation of Intrinsically Fragile Bent Crystals
Journal: Chemical Science, RSC
Year: 2024
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Authors: MATSUO Takumi, Hiroki Tanikubo, HAYASHI Shotaro
Title: Facile Wet-Process to Free-Standing Whispering Gallery Mode Resonators Mixed with Spherical Silica Gel and π-Conjugated Molecules
Journal: Advanced Optical Materials, Wiley
Year: 2024
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Authors: MATSUO Takumi, HAYASHI Shotaro
Title: Lasing in Low-Dimensional Crystals of a Fumaronitrile-Based Luminogen
Journal: The Journal of Physical Chemistry Letters, Vol. 15, No. 14, pp. 3968-3974, American Chamical Society
Year: 2024
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Authors: Hiroki Tanikubo, MATSUO Takumi, HAYASHI Shotaro
Title: Light-induced E-Z Isomerization of Anthracene-appended p-Methoxyphenyl Acrylonitrile giving Fluorescent Crystals
Journal: Journal of Crystal Growth, Elsevior
Year: 2024
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Authors: Mahiro Nakabayashi, MATSUO Takumi, HAYASHI Shotaro
Title: Non-covalent Supramolecular 1D Alternating Copolymer in Crystal toward 2D Anisotropic Photon Transport
Journal: Chemistry-A European Journal, Wiley
Year: 2023
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Authors: MATSUO Takumi, Junpei Kuwabara, Takaki Kanbara, HAYASHI Shotaro
Title: Flexible and Red-Emissive Organic Single Crystal Micro-Resonator for Efficient Active Waveguides
Journal: The Journal of Physical Chemistry Letters
Year: 2023
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Authors: MATSUO Takumi, Koki Ikeda, HAYASHI Shotaro
Title: Flexible Förster Resonance Energy Transfer-assisted Optical Waveguide based on Elastic Mixed Molecular Crystals
Journal: Aggregate
Year: 2023
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Authors: MATSUO Takumi, HAYASHI Shotaro, Fumio Sasaki, Hisao Yanagi
Title: Efficient Optical Waveguiding and Lasing in Needle Crystals of Thiophene/phenylene Co-oligomers Grown in Solution Phase
Journal: Japanese Journal of Applied Physics, Vol. 62, p. 030903
Year: 2023
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Authors: Hiroki Tanikubo, MATSUO Takumi, HAYASHI Shotaro
Title: Alkyl-chain Bridged Acrylonitrile-appended Anthracene Chromophore toward Mechanically-induced Bathochromic Shift
Journal: Bulletin of the Chemical Society of Japan, CSJ
Year: 2023
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Authors: Yuto Hino, MATSUO Takumi, HAYASHI Shotaro
Title: Unique 2D Face Topologies in Naphthyl-appended Naphtho[k]fluoranthene-based 3D Crystals for Optical Waveguide
Journal: Advanced Optical Materials, Wiley
Year: 2022
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Authors: MATSUO Takumi, Yusuke Ueda, Hitoshi Mizuno, Fumio Sasaki, Kenichi Yamashita, Hisao Yanagi
Title: Optically Pumped Lasing Based on Vibrationally Dressed Exciton Polaritons in a Single-Crystal Molecular Cavity at Room Temperature
Journal: ACS Photonics
Year: 2022
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Authors: MATSUO Takumi, Fumio Sasaki, Hisao Yanagi
Title: Optically pumped lasing in a single crystal cavity of thiophene/phenylene co-oligomers grown via improved crystal growth methods in solution
Journal: Applied Physics Express
Year: 2022
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Authors: MATSUO Takumi, Carina Rössiger, Jasmin Herr, Richard Göttlich, Derck Schlettwein, Hitoshi Mizuno, Fumio Sasaki, Hisao Yanagi
Title: Synthesis and characterization of methoxy- or cyano-substituted thiophene/phenylene co-oligomers for lasing application
Journal: RSC advances
Year: 2020
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Authors: MATSUO Takumi, Hitoshi Mizuno, Fumio Sasaki, Hisao Yanagi
Title: Indication of cooperative light amplification in 5,5″‐bis(biphenylyl)‐2,2′:5’,2″‐terthiophene single crystals at room temperature
Journal: Japanese Journal of Applied Physics
Year: 2019
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