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Masafumi Koga
Masafumi Koga
Postdoctoral Scholar, UC Berkeley
在 berkeley.edu 的电子邮件经过验证
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引用次数
引用次数
年份
Stepwise two-photon-induced electron transfer from higher excited states of noncovalently bound porphyrin-CdS/ZnS core/shell nanocrystals
T Uno, M Koga, H Sotome, H Miyasaka, N Tamai, Y Kobayashi
The Journal of Physical Chemistry Letters 9 (24), 7098-7104, 2018
182018
Ultrafast capture of electrons ejected by photoionization leading to the formation of a charge-separated state at a high energy level
T Kawakami, M Koga, H Sotome, H Miyasaka
Physical Chemistry Chemical Physics 22 (31), 17472-17481, 2020
132020
Multiphoton-gated cycloreversion reaction of a fluorescent diarylethene derivative as revealed by transient absorption spectroscopy
T Nagasaka, T Kunishi, H Sotome, M Koga, M Morimoto, M Irie, ...
Physical Chemistry Chemical Physics 20 (30), 19776-19783, 2018
132018
Electron attachment dynamics following UV excitation of iodide-2-thiouracil complexes
M Koga, M Asplund, DM Neumark
The Journal of Chemical Physics 156 (24), 2022
102022
Femtosecond dynamics of stepwise two-photon ionization in solutions as revealed by pump–repump–probe detection with a burst mode of photoexcitation
H Sotome, M Koga, T Sawada, H Miyasaka
Physical Chemistry Chemical Physics 24 (23), 14187-14197, 2022
102022
Ionization dynamics of a phenylenediamine derivative in solutions as revealed by femtosecond simultaneous and stepwise two-photon excitation
M Koga, Y Yoneda, H Sotome, H Miyasaka
Physical Chemistry Chemical Physics 21 (6), 2889-2898, 2019
92019
Slow photoionization via higher excited states of N, N-dimethylaniline in ethanol solution probed by femtosecond transient absorption spectroscopy under two-pulse two-photon …
M Koga, Y Miyake, M Hayasaka, H Sotome, H Miyasaka
The Journal of Chemical Physics 154 (5), 2021
62021
Time-resolved photoelectron spectroscopy of iodide–4-thiouracil cluster: The ππ* state as a doorway for electron attachment
M Asplund, M Koga, YJ Wu, DM Neumark
The Journal of Chemical Physics 160 (5), 2024
52024
Direct Detection of Long-Range Interdomain Auger Recombination in Dumbbell-Shaped Quasi-Type-II Nanoparticle
M Koga, K Masuoka, S Tsuneizumi, T Kameyama, S Ito, T Torimoto, ...
The Journal of Physical Chemistry Letters 13 (29), 6845-6851, 2022
42022
Direct determination of molar absorption coefficients of several molecules in the lowest excited singlet states
M Koga, H Sotome, N Ide, S Ito, Y Nagasawa, H Miyasaka
Photochemical & Photobiological Sciences 20, 1287-1297, 2021
42021
Extreme ultraviolet time-resolved photoelectron spectroscopy of adenine, adenosine and adenosine monophosphate in a liquid flat jet
M Koga, ZN Heim, P Meyer, BA Erickson, N Haldar, N Baradaran, ...
Physical Chemistry Chemical Physics 26 (17), 13106-13117, 2024
32024
Excited state dynamics for visible-light sensitization of a photochromic benzil-subsituted phenoxyl-imidazolyl radical complex
Y Kobayashi, Y Mamiya, K Mutoh, H Sotome, M Koga, H Miyasaka, J Abe
Beilstein Journal of Organic Chemistry 15 (1), 2369-2379, 2019
22019
Nanoscopic Photomechanical Motion of Small Particles Induced by Optical Force due to Positive and Negative Photoabsorption by Excited States of Molecules
S Ito, T Mizoguchi, M Mori, M Koga, H Sotome, M Tamura, H Ishihara, ...
The Journal of Physical Chemistry C 128 (12), 5206-5214, 2024
12024
Dynamics of Photoexcited 5-Bromouracil and 5-Bromo-2'-Deoxyuridine Studied by Extreme Ultraviolet Time-resolved Photoelectron Spectroscopy in Liquid Flat Jets
M Koga, N Haldar, DM Neumark
2024
Erratum:“Electron attachment dynamics following UV excitation of iodide-2-thiouracil complexes”[J. Chem. Phys. 156, 244302 (2022)]
M Koga, M Asplund, DM Neumark
The Journal of Chemical Physics 157 (4), 049902, 2022
2022
(Invited) Ultrafast Formation of Long-Lived Charge-Separated State at High Energy Level By Two-Photon Ionization
H Sotome, T Kawakami, M Koga, H Miyasaka
Electrochemical Society Meeting Abstracts 241, 891-891, 2022
2022
Detection of radiation force due to simultaneous two-photon absorption
S Ito, M Hayasaka, M Mori, M Koga, S Nakamura, K Setoura, H Sotome, ...
Optical Manipulation and Structured Materials Conference 2021 11926, 24-25, 2021
2021
Optical micromanipulation using nonliner photo-responses
S Ito, S Nakamura, M Hayasaka, M Koga, K Setoura, H Sotome, ...
Optical Manipulation and Structured Materials Conference 2020 11522, 55-56, 2020
2020
Excited State Dynamics for Visible Light Sensitization of Fast Photochromic Phenoxyl-Imidazolyl Radical Complex with Aryl Ketone
Y Kobayashi, Y Mamiya, K Mutoh, H Sotome, M Koga, H Miyasaka, J Abe
Beilstein Archives 2019 (1), 46, 2019
2019
Direct observation of photoionization dynamics in solution phase induced by femtosecond two-photon excitation
M Koga, Y Yoneda, H Sotome, H Miyasaka
EPJ Web of Conferences 205, 09018, 2019
2019
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