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Hikaru Kuramochi
倉持 光
Hikaru Kuramochi
倉持 光
Graduate School of Engineering Science　Department of Materials Engineering Science，Professor

Research History 9

  1. 2025/04 - Present
    The University of Osaka　Graduate School of Engineering Science, Department of Materials Engineering Science, Division of Frontier Materials Science　Professor

  2. 2025/04 - Present
    Institute for Molecular Science　Research Center of Integrative Molecular Systems　Professor

  3. 2023/08 - Present
    文部科学省　研究振興局　学術調査官

  4. 2020/04 - 2025/03
    Institute for Molecular Science　Research Center of Integrative Molecular Systems　Associate Professor

  5. 2017/10 - 2021/03
    Japan Science and Technology Agency　PRESTO Researcher

  6. 2019/04 - 2020/03
    RIKEN　RIKEN Center for Advanced Photonics　Research scientist

  7. 2016/04 - 2018/03
    RIKEN　RIKEN Center for Advanced Photonics　Research Scientist

  8. 2013/04 - 2016/03
    RIKEN　Special Postdoctoral Researcher

  9. 2010/04 - 2013/03
    RIKEN　Junior Research Associate

Education 4

  1. Tokyo Institute of Technology　School of Science　Department of Chemistry and Materials Science

    2009/10 - 2013/03

  2. Chalmers University of Technology　Department of Chemical and Biological Engineering

    2008/09 - 2009/09

  3. Tokyo Institute of Technology　School of Science　Department of Chemistry and Materials Science

    2007/04 - 2009/09

  4. Tokyo Institute of Technology　School of Science　Department of Chemistry

    2003/04 - 2007/03

Professional Memberships 3

  1. THE CHEMICAL SOCIETY OF JAPAN

  2. THE SPECTROSCOPICAL SOCIETY OF JAPAN

  3. JAPAN SOCIETY FOR MOLECULAR SCIENCE

Research Areas 2

  1. Nanotechnology/Materials / Basic physical chemistry /

  2. Natural sciences / Bio-, chemical, and soft-matter physics /

Awards 7

  1. Inoue Science Research Award

    Inoue Foundation for Science　2021

  2. 奨励賞

    分子科学会　2020/09

  3. The Morino Foundation for Molecular Science

    2020/08

  4. The Commendation for Science and Technology (the Young Scientists’ Award)

    Ministry of Education, Culture, Sports, Science and Technology　2020/04

  5. PCCP prize

    Royal Society of Chemistry　2019/03

  6. The Spectroscopical Society of Japan Award for Young Scientists

    The Spectroscopical Society of Japan　2017/05

  7. Incentive award

    RIKEN　2017/03

Papers 42

  1. Dynamic Excited-State Localization Induced by Jahn–Teller Distortion Observed by Coherent Vibrational Spectroscopy

    Takumi Ehara, Yusuke Yoneda, Tatsuya Yoshida, Tomohiro Ogawa, Yuto Konishi, Toshikazu Ono, Atsuya Muranaka, Hikaru Kuramochi, Kiyoshi Miyata, Ken Onda

    Journal of the American Chemical Society　2025/07/30　Research paper (scientific journal)

  2. Ultrafast Protein Dynamics Prior to Retinal Photoisomerization in Microbial Rhodopsins

    Shinya Tahara, Rika Kurihara, Keiichi Kojima, Hikaru Kuramochi, Satoshi Takeuchi, Yuki Sudo, Tahei Tahara

    The Journal of Physical Chemistry Letters　2025/06/12　Research paper (scientific journal)

  3. Excited-State Aromatization Drives Nonequilibrium Planarization Dynamics

    Yusuke Yoneda, Tomoaki Konishi, Kensuke Suga, Shohei Saito, Hikaru Kuramochi

    Journal of the American Chemical Society　2025/04/09　Research paper (scientific journal)

  4. An Energy‐Tunable Dual Emission Mechanism of the Hybridized Local and Charge Transfer (HLCT) and the Excited State Conjugation Enhancement (ESCE)

    Kensuke Suga, Keisuke Ochiai, Yusuke Yoneda, Hikaru Kuramochi, Shohei Saito

    Chemistry – A European Journal　2025/03/25　Research paper (scientific journal)

  5. Torsional Structural Relaxation Caused by Pt–Pt Bond Formation in the Photoexcited Dimer of Pt(II) N ̂ C ̂ N Complex in Solution

    Honoka Watanabe, Munetaka Iwamura, Koichi Nozaki, Tsukasa Takanashi, Hikaru Kuramochi, Tahei Tahara

    The Journal of Physical Chemistry Letters　2025/01/09　Research paper (scientific journal)

  6. Room-Temperature Solution Fluorescence Excitation Correlation Spectroscopy

    Yusuke Yoneda, Hikaru Kuramochi

    The Journal of Physical Chemistry Letters　Vol. 15　No. 33　p. 8533-8539　2024/08/12　Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)

  7. Ultrafast Raman observation of the perpendicular intermediate phantom state of stilbene photoisomerization

    Hikaru Kuramochi, Takuro Tsutsumi, Kenichiro Saita, Zhengrong Wei, Masahisa Osawa, Pardeep Kumar, Li Liu, Satoshi Takeuchi, Tetsuya Taketsugu, Tahei Tahara

    Nature Chemistry　2024/01/05　Research paper (scientific journal)

  8. Environment-sensitive fluorescence of COT-fused perylene bisimide based on symmetry-breaking charge separation

    Ryo Kimura, Yusuke Yoneda, Hikaru Kuramochi, Shohei Saito

    Photochemical & Photobiological Sciences　2023/09/01　Research paper (scientific journal)

    Publisher: Springer Science and Business Media {LLC}

  9. Rapid-Scan Resonant Two-Dimensional Impulsive Stimulated Raman Spectroscopy of Excited States

    Yusuke Yoneda, Hikaru Kuramochi

    The Journal of Physical Chemistry A　2023/06/22　Research paper (scientific journal)

  10. Quasi-Reversible Photoinduced Displacement of Aromatic Ligands from Semiconductor Nanocrystals

    Daisuke Yoshioka, Yusuke Yoneda, I-Ya Chang, Hikaru Kuramochi, Kim Hyeon-Deuk, Yoichi Kobayashi

    ACS Nano　2023/05/09　Research paper (scientific journal)

  11. Photoexcited Plasmon-Driven Ultrafast Dynamics of the Adsorbate Probed by Femtosecond Time-Resolved Surface-Enhanced Time-Domain Raman Spectroscopy

    Pardeep Kumar, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    The Journal of Physical Chemistry Letters　2023/03/23　Research paper (scientific journal)

  12. Spectroscopic mapping of the gold complex oligomers (dimer, trimer, tetramer, and pentamer) by excited-state coherent nuclear wavepacket motion in aqueous solutions

    Munetaka Iwamura, Rina Urayama, Airi Fukui, Koichi Nozaki, Li Liu, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    Physical Chemistry Chemical Physics　2023　Research paper (scientific journal)

  13. A Unified View on Varied Ultrafast Dynamics of the Primary Process in Microbial Rhodopsins

    Chun-Fu Chang, Hikaru Kuramochi, Manish Singh, Rei Abe-Yoshizumi, Tatsuya Tsukuda, Hideki Kandori, Tahei Tahara

    Angewandte Chemie International Edition　2021/10/20　Research paper (scientific journal)

    Publisher: Wiley

  14. Excited-State Proton Transfer Dynamics in LSSmOrange Studied by Time-Resolved Impulsive Stimulated Raman Spectroscopy

    Pardeep Kumar, Eduard Fron, Haruko Hosoi, Hikaru Kuramochi, Satoshi Takeuchi, Hideaki Mizuno, Tahei Tahara

    The Journal of Physical Chemistry Letters　Vol. 12　No. 31　p. 7466-7473　2021/08/12　Research paper (scientific journal)

    Publisher: American Chemical Society ({ACS})

  15. Mode‐Specific Vibrational Analysis of Exciton Delocalization and Structural Dynamics in Conjugated Oligomers

    Woojae Kim, Shinya Tahara, Hikaru Kuramochi, Satoshi Takeuchi, Taeyeon Kim, Tahei Tahara, Dongho Kim

    Angewandte Chemie　Vol. 133　No. 31　p. 17136-17145　2021/07/26　Research paper (scientific journal)

    Publisher: Wiley

  16. Tracking Ultrafast Structural Dynamics by Time-Domain Raman Spectroscopy

    Hikaru Kuramochi, Tahei Tahara

    Journal of the American Chemical Society　Vol. 143　No. 26　p. 9699-9717　2021/07/07　Research paper (scientific journal)

    Publisher: American Chemical Society ({ACS})

  17. Skeletal Structure of the Chromophore of Photoactive Yellow Protein in the Excited State Investigated by Ultraviolet Femtosecond Stimulated Raman Spectroscopy

    Hikaru Kuramochi, Satoshi Takeuchi, Hironari Kamikubo, Mikio Kataoka, Tahei Tahara

    The Journal of Physical Chemistry B　Vol. 125　No. 23　p. 6154-6161　2021/06/17　Research paper (scientific journal)

    Publisher: American Chemical Society ({ACS})

  18. Coherent Vibration and Femtosecond Dynamics of the Platinum Complex Oligomers upon Intermolecular Bond Formation in the Excited State

    Munetaka Iwamura, Airi Fukui, Koichi Nozaki, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    Angewandte Chemie - International Edition　Vol. 59　No. 51　p. 23154-23161　2020/12/14　Research paper (scientific journal)

  19. Flapping Peryleneimide as a Fluorogenic Dye with High Photostability and Strong Visible‐Light Absorption

    Ryo Kimura, Hikaru Kuramochi, Pengpeng Liu, Takuya Yamakado, Atsuhiro Osuka, Tahei Tahara, Shohei Saito

    Angewandte Chemie　Vol. 132　No. 38　p. 16572-16577　2020/09/14　Research paper (scientific journal)

    Publisher: Wiley

  20. Femtosecond Polarization Switching in the Crystal of a [CrCo] Dinuclear Complex

    Hikaru Kuramochi, Genki Aoyama, Hajime Okajima, Akira Sakamoto, Shinji Kanegawa, Osamu Sato, Satoshi Takeuchi, Tahei Tahara

    Angewandte Chemie　Vol. 132　No. 37　p. 15999-16003　2020/09/07　Research paper (scientific journal)

    Publisher: Wiley

  21. Controlling the S<inf>1</inf>energy profile by tuning excited-state aromaticity

    Ryota Kotani, Li Liu, Pardeep Kumar, Hikaru Kuramochi, Tahei Tahara, Pengpeng Liu, Atsuhiro Osuka, Peter B. Karadakov, Shohei Saito

    Journal of the American Chemical Society　Vol. 142　No. 35　p. 14985-14992　2020/09/02　Research paper (scientific journal)

  22. Comparative Studies of the Fluorescence Properties of Microbial Rhodopsins: Spontaneous Emission Versus Photointermediate Fluorescence

    Keiichi Kojima, Rika Kurihara, Masayuki Sakamoto, Tsukasa Takanashi, Hikaru Kuramochi, Xiao Min Zhang, Haruhiko Bito, Tahei Tahara, Yuki Sudo

    The Journal of Physical Chemistry B　Vol. 124　No. 34　p. 7361-7367　2020/08/27　Research paper (scientific journal)

    Publisher: American Chemical Society ({ACS})

  23. Time-Domain Observation of Surface-Enhanced Coherent Raman Scattering with 105–106 Enhancement

    Pardeep Kumar, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    The Journal of Physical Chemistry Letters　Vol. 11　No. 15　p. 6305-6311　2020/08/06　Research paper (scientific journal)

    Publisher: American Chemical Society ({ACS})

  24. Tracking Photoinduced Au–Au Bond Formation through Transient Terahertz Vibrations Observed by Femtosecond Time-Domain Raman Spectroscopy

    Hikaru Kuramochi, Satoshi Takeuchi, Munetaka Iwamura, Koichi Nozaki, Tahei Tahara

    Journal of the American Chemical Society　Vol. 141　No. 49　p. 19296-19303　2019/12/11　Research paper (scientific journal)

    Publisher: American Chemical Society ({ACS})

  25. Protein Dynamics Preceding Photoisomerization of the Retinal Chromophore in Bacteriorhodopsin Revealed by Deep-UV Femtosecond Stimulated Raman Spectroscopy

    Shinya Tahara, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    The Journal of Physical Chemistry Letters　Vol. 10　No. 18　p. 5422-5427　2019/09/19　Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)

  26. Fifth-order time-domain Raman spectroscopy of photoactive yellow protein for visualizing vibrational coupling in its excited state

    Hikaru Kuramochi, Satoshi Takeuchi, Hironari Kamikubo, Mikio Kataoka, Tahei Tahara

    Science Advances　Vol. 5　No. 6　2019/06　Research paper (scientific journal)

  27. Ultrafast Dynamics of Heliorhodopsins

    Shinya Tahara, Manish Singh, Hikaru Kuramochi, Wataru Shihoya, Keiichi Inoue, Osamu Nureki, Oded Béjà, Yasuhisa Mizutani, Hideki Kandori, Tahei Tahara

    The Journal of Physical Chemistry B　Vol. 123　No. 11　p. 2507-2512　2019/03/21　Research paper (scientific journal)

  28. Acid-base equilibrium of the chromophore counterion results in distinct photoisomerization reactivity in the primary event of proteorhodopsin

    Chun Fu Chang, Hikaru Kuramochi, Manish Singh, Rei Abe-Yoshizumi, Tatsuya Tsukuda, Hideki Kandori, Tahei Tahara

    Physical Chemistry Chemical Physics　Vol. 21　No. 46　p. 25728-25734　2019　Research paper (scientific journal)

    Publisher: Royal Society of Chemistry ({RSC})

  29. Metal-Metal Bond Formations in [Au(CN)<inf>2</inf>-]<inf>n</inf> (n = 3-5) Oligomers in Water Identified by Coherent Nuclear Wavepacket Motions

    Iwamura, M., Kimoto, K., Nozaki, K., Kuramochi, H., Takeuchi, S., Tahara, T.

    Journal of Physical Chemistry Letters　Vol. 9　No. 24　p. 7085-7089　2018/11　Research paper (scientific journal)

  30. Ultrafast photodissociation dynamics of diphenylcyclopropenone studied by time-resolved impulsive stimulated Raman spectroscopy

    Kuramochi, H., Takeuchi, S., Tahara, T.

    Chemical Physics　Vol. 512　p. 88-92　2018/08/17　Research paper (scientific journal)

  31. Broadband stimulated Raman spectroscopy in the deep ultraviolet region

    Kuramochi, H., Fujisawa, T., Takeuchi, S., Tahara, T.

    Chemical Physics Letters　Vol. 683　p. 543-546　2017/09　Research paper (scientific journal)

  32. Probing the early stages of photoreception in photoactive yellow protein with ultrafast time-domain Raman spectroscopy

    Kuramochi, H., Takeuchi, S., Yonezawa, K., Kamikubo, H., Kataoka, M., Tahara, T.

    Nature Chemistry　Vol. 9　No. 7　p. 660-666　2017/07　Research paper (scientific journal)

  33. Demonstration of a Light-Driven SO<inf>4</inf>2- Transporter and Its Spectroscopic Characteristics

    Niho, A., Yoshizawa, S., Tsukamoto, T., Kurihara, M., Tahara, S., Nakajima, Y., Mizuno, M., Kuramochi, H., Tahara, T., Mizutani, Y., Sudo, Y.

    Journal of the American Chemical Society　Vol. 139　No. 12　p. 4376-4389　2017/03　Research paper (scientific journal)

  34. Femtosecond time-resolved impulsive stimulated Raman spectroscopy using sub-7-fs pulses: Apparatus and applications

    Kuramochi, H., Takeuchi, S., Tahara, T.

    Review of Scientific Instruments　Vol. 87　No. 4　2016/04　Research paper (scientific journal)

  35. Role of Coherent Low-Frequency Motion in Excited-State Proton Transfer of Green Fluorescent Protein Studied by Time-Resolved Impulsive Stimulated Raman Spectroscopy

    Fujisawa, T., Kuramochi, H., Hosoi, H., Takeuchi, S., Tahara, T.

    Journal of the American Chemical Society　Vol. 138　No. 12　p. 3942-3945　2016/03　Research paper (scientific journal)

  36. Probing Ultrafast Structural Dynamics of Photoactive Yellow Protein with Femtosecond Time-Domain Raman Spectroscopy

    Hikaru Kuramochi, Satoshi Takeuchi, Kento Yonezawa, Hironari Kamikubo, Mikio Kataoka, Tahei Tahara

    ULTRAFAST PHENOMENA XIX　Vol. 162　p. 528-531　2015　Research paper (international conference proceedings)

  37. Time-Resolved Impulsive Raman Study of Excited State Structures of Green Fluorescent Protein

    Tomotsumi Fujisawa, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    ULTRAFAST PHENOMENA XIX　Vol. 162　p. 539-542　2015　Research paper (international conference proceedings)

  38. Ultraviolet-resonance femtosecond stimulated raman study of the initial events in photoreceptor chromophore

    S. Takeuchi, H. Kuramochi, T. Tahara

    EPJ Web of Conferences　Vol. 41　2013　Research paper (international conference proceedings)

  39. Ultrafast structural evolution of photoactive yellow protein chromophore revealed by ultraviolet resonance femtosecond stimulated Raman spectroscopy

    Kuramochi, H., Takeuchi, S., Tahara, T.

    Journal of Physical Chemistry Letters　Vol. 3　No. 15　p. 2025-2029　2012/08　Research paper (scientific journal)

  40. Excited-state dynamics of 6-Aza-2-thiothymine and 2-thiothymine: Highly efficient intersystem crossing and singlet oxygen photosensitization

    Kuramochi, H., Kobayashi, T., Suzuki, T., Ichimura, T.

    Journal of Physical Chemistry B　Vol. 114　No. 26　p. 8782-8789　2010/07　Research paper (scientific journal)

  41. Triplet formation of 6-azauridine and singlet oxygen sensitization with UV light irradiation

    Kobayashi, T., Kuramochi, H., Suzuki, T., Ichimura, T.

    Physical Chemistry Chemical Physics　Vol. 12　No. 19　p. 5140-5148　2010　Research paper (scientific journal)

  42. Intersystem crossing to excited triplet state of aza analogues of nucleic acid bases in acetonitrile

    Kobayashi, T., Kuramochi, H., Harada, Y., Suzuki, T., Ichimura, T.

    Journal of Physical Chemistry A　Vol. 113　No. 44　p. 12088-12093　2009/11　Research paper (scientific journal)

Misc. 5

  1. フェムト秒時間分解時間領域ラマン分光で観る光化学反応の超高速構造ダイナミクス

    倉持 光, 田原 太平

    光化学　Vol. 53　No. 3　p. 132-139　2022/12

  2. Tracking Photoinduced Bond Formation Dynamics by Femtosecond Time-Resolved Impulsive Stimulated Raman Spectroscopy

    倉持光, 竹内佐年, 岩村宗高, 田原太平, 田原太平

    光学　Vol. 51　No. 1　p. 8-14　2022

  3. Femtosecond Time-Resolved Raman Study of Photoresponsive Proteins

    KURAMOCHI Hikaru, FUJISAWA Tomotsumi, TAKEUCHI Satoshi, TAHARA Tahei

    Seibutsu Butsuri　Vol. 59　No. 1　p. 26-29　2019

    Publisher: The Biophysical Society of Japan General Incorporated Association

  4. Development of Ultrafast Time-Domain Raman Spectroscopy Using Extremely Short Pulses and Its Application to Photo-Responsive Proteins

    倉持 光

    Journal of the Spectroscopical Society of Japan　Vol. 66　No. 5　p. 155-163　2017

    Publisher: 日本分光学会

  5. 光反応生成物・無輻射遷移後において観測される振動コヒーレンス

    倉持 光

    分光研究　Vol. 65　No. 6　p. 310-312　2016

    Publisher: 日本分光学会

Presentations 16

  1. Mapping ultrafast chemical reaction dynamics with femtosecond time-resolved time-domain Raman spectroscopy

    Hikaru Kuramochi

    Indo-Japan workshop on "Frontiers in Molecular Spectroscopy: From Fundamentals to Applications in Chemistry and Biology"　2019/11/01

  2. Mapping ultrafast chemical reaction dynamics with femtosecond time-resolved time-domain Raman spectroscopy using few-cycle pulses

    Hikaru Kuramochi, Tahei Tahara

    19th Time Resolved Vibrational Spectroscopy Conference (TRVS2019)　2019/09/13

  3. Direct observation of ultrafast structural dynamics of the dicyanoaurate trimer upon photo-induced tight au-au bond formation

    Hikaru Kuramochi, Satoshi Takeuchi, Munetaka Iwamura, Koichi Nozaki, Tahei Tahara

    10th International Conference on Advanced Vibrational Spectroscopy (ICAVS 10)　2019/07/11

  4. Nuclear wave-packet motions of metallophilic oligomers in solution

    Munetaka Iwamura, Koichi Nozaki, Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    10th International Conference on Advanced Vibrational Spectroscopy (ICAVS 10)　2019/07/08

  5. Ultrafast time-domain vibrational spectroscopy of complex molecular systems

    Hikaru Kuramochi

    International Symposium on Molecular Science – Physical Chemistry / Theoretical Chemistry, Chemoinformatics, Computational Chemistry – Cosponsored by Japan Society for Molecular Science, The 99th CSJ Annual Meeting　2019/03/18

  6. 極短パルス光を用いた複雑分子系の実時間構造ダイナミクス追跡

    倉持光

    非共有結合系の分子科学　2019/01/23

  7. 極短パルス光を用いた光応答性タンパク質の実時間構造ダイナミクス追跡

    倉持光

    2017年度第2回水和ナノ構造研究会　2018/03/06

  8. 超高速時間領域ラマン分光法で観る光応答性タンパク質のフェムト秒構造ダイナミクス

    倉持光

    レーザー学会学術講演会第38回年次大会　2018/01/26

  9. Direct observation of ultrafast structural dynamics in [Au(CN)2-] oligomers upon photo-induced tight Au-Au bond formation

    Hikaru Kuramochi, Satoshi Takeuchi, Munetaka Iwamura, Koichi Nozaki, Tahei Tahara

    The 10th Asian Conference on Ultrafast Phenomena (ACUP 2018)

  10. Capturing structural snapshots of tight Au-Au bond formation in [Au(CN)2-] oligomers by ultrafast time-domain Raman spectroscopy

    Hikaru Kuramochi, Satoshi Takeuchi, Munetaka Iwamura, Koichi Nozaki, Tahei Tahara

    The 6th Asian Spectroscopy Conference　2017/09/05

  11. Ultrafast time-domain Raman study of bond strengthening in oligomers of Au(I) complex

    Satoshi Takeuchi, Hikaru Kuramochi, Munetaka Iwamura, Koichi Nozaki, Tahei Tahara

    International Conference on Time Resolved Vibrational Spectroscopy (TRVS2017)　2017/07/20

  12. 時間領域ラマン分光法の極限化とその光応答性タンパク質への応用

    倉持光

    平成29年度 日本分光学会年次講演会　2017/05/25

  13. Primary structural dynamics of photoresponsive proteins studied by ultrafast time-domain Raman spectroscopy using few-cycle pulses

    Hikaru Kuramochi, Satoshi Takeuchi, Tahei Tahara

    9th Asian Photochemistry Conference (APC 2016)　2016/12/08

  14. 極限的時間領域ラマン分光で観る光反応ダイナミクス

    倉持光

    第5回光科学異分野横断萌芽研究会　2015/08/04

  15. Femtosecond time-resolved impulsive stimulated Raman study of photoactive yellow protein

    Hikaru Kuramochi, Satoshi Takeuchi, Kento Yonezawa, Hironari Kamikubo, Mikio Kataoka, Tahei Tahara

    16th International Conference on Retinal Proteins (ICRP-2014)

  16. フェムト秒ラマン分光法で観るイエロープロテイン励起状態における超高速構造ダイナミクス

    倉持光

    日本分光学会・若手先端レーザー分光シンポジウム　2013/12/03