Rchr
J-GLOBAL ID：201701016043175330
Update date: Jan. 31, 2024
OKAJIMA Hajime
オカジマ ハジメ | OKAJIMA Hajime
Affiliation and department：
Job title：
Associate Professor
Research field (1)：
Basic physical chemistry
Research theme for competitive and other funds (7)：
- 2021 - 2023 In situ analysis of microchemical reactions by temperature and material combination Raman spectral imaging
- 2019 - 2022 Structure and electronic-state of the liquid-like cluster observed during solvent evaporative crystallization process
- 2019 - 2022 Formation of "nano-ice", ultra-small ice crystallite in liquid water, elucidated by Raman spectroscopy
- 2015 - 2017 Near-infrared resonance low-frequency Raman spectroscopy for elucidating inter-molecular interactions induced by solvated electrons
- 2014 - 2015 分子同士の弱い結合生成機構の解明にむけたμ秒時間分解低振動数ラマンイメージング
- 2010 - 2011 Real-time investigation on the melting dynamics of aromatic molecular crystals by using fast Low-frequency Raman spectroscopy
- 2009 - 2011 Development of time-and space-resolved low frequency Raman spectroscopy and elucidation of melting processes of ionic liquids
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Papers (35)：
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Pritam Sadhukhan, Shu-Qi Wu, Shinji Kanegawa, Sheng-Qun Su, Xiaopeng Zhang, Takumi Nakanishi, Jeremy Ian Long, Kaige Gao, Rintaro Shimada, Hajime Okajima, et al. Energy conversion and storage via photoinduced polarization change in non-ferroelectric molecular [CoGa] crystals. Nature Communications. 2023. 14. 1
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Sheng-Qun Su, Shu-Qi Wu, Yu-Bo Huang, Wen-Huang Xu, Kai-Ge Gao, Atsushi Okazawa, Hajime Okajima, Akira Sakamoto, Shinji Kanegawa, Osamu Sato. Photoinduced Persistent Polarization Change in a Spin Transition Crystal. Angewandte Chemie (International ed. in English). 2022. e202208771
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Ryota Sato, Hajime Okajima, Shinya Sugiura, Yohei Haketa, Yusuke Kinoshita, Hitoshi Tamiaki, Akira Sakamoto, Hiromitsu Maeda, Yoichi Kobayashi. Excited-state dynamics of dipyrrolyldiketone difluoroboron complexes. Physical Chemistry Chemical Physics. 2022. 24. 3. 1685-1691
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Pritam Sadhukhan, Shu-Qi Wu, Jeremy Ian Long, Takumi Nakanishi, Shinji Kanegawa, Kaige Gao, Kaoru Yamamoto, Hajime Okajima, Akira Sakamoto, Michael L Baker, et al. Manipulating electron redistribution to achieve electronic pyroelectricity in molecular [FeCo] crystals. Nature communications. 2021. 12. 1. 4836-4836
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Shu-Qi Wu, Meijiao Liu, Kaige Gao, Shinji Kanegawa, Yusuke Horie, Genki Aoyama, Hajime Okajima, Akira Sakamoto, Michael L. Baker, Myron S. Huzan, et al. Macroscopic Polarization Change via Electron Transfer in a Valence Tautomeric Cobalt Complex. Nature Communications. 2020. 11. 1
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Lectures and oral presentations (29)：
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Evaporative Crystallization of 4,4?-Di-tert-Buthyldibenzoylmethanatoboron Difluoride Observed by Low-Frequency Micro-Raman Spectroscopy
(The 26th International Conference on Raman Spectroscopy 2018)
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Near-infrared Transient Raman Spectroscopy of Electronic Excited Sumanene
(The 26th International Conference on Raman Spectroscopy 2018)
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Formation of Nano-ice in Low-Temperature Liquid Water as Revealed by Multivariate Hyperspectral Analysis of Temperature Determined Raman Spectra
(The 26th International Conference on Raman Spectroscopy 2018)
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Determination of absolute configurations of binaphthyl derivatives in solution by Raman optical activity spectroscopy
(The 5th Taiwan International Symposium on Raman Spectroscopy 2017)
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Femtosecond Time-resolved Infrared Absorption Study on Photoexcited Dynamics of Regioregular Poly(3-hexylthiophene) in Solutions
(The 5th Taiwan International Symposium on Raman Spectroscopy 2017)
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Education (4)：
- 2007 - 2010 東京大学 理学系研究科 化学専攻
- 2005 - 2007 東京大学 理学系研究科 化学専攻
- 2001 - 2005 東京大学 理学部 化学科
- 1998 - 2001 茨城県立 水戸第一高等学校
Professional career (2)：
- 修士(理学) (東京大学)
- 博士(理学) (東京大学)
Work history (1)：
Association Membership(s) (6)：
日本分光学会
, 分子科学会
, 日本化学会
, The Coblentz Society
, 分光イノベーション研究会
, フロー精密合成コンソーシアム
