The dependence of the ultrafast relaxation kinetics of the S2 and S1 states in β-carotene homologs and lycopene on conjugation length studied by femtosecond time-resolved … D Kosumi, M Fujiwara, R Fujii, RJ Cogdell, H Hashimoto, M Yoshizawa
The Journal of chemical physics 130 (21), 2009
77 2009 Ultrafast Dynamics of All-trans - -Carotene Explored by Resonant and Nonresonant Photoexcitations D Kosumi, M Komukai, H Hashimoto, M Yoshizawa
Physical review letters 95 (21), 213601, 2005
73 2005 One-and two-photon pump–probe optical spectroscopic measurements reveal the S1 and intramolecular charge transfer states are distinct in fucoxanthin D Kosumi, T Kusumoto, R Fujii, M Sugisaki, Y Iinuma, N Oka, Y Takaesu, ...
Chemical Physics Letters 483 (1-3), 95-100, 2009
69 2009 Conjugation length dependence of relaxation kinetics in β-carotene homologs probed by femtosecond Kerr-gate fluorescence spectroscopy D Kosumi, K Yanagi, R Fujii, H Hashimoto, M Yoshizawa
Chemical physics letters 425 (1-3), 66-70, 2006
62 2006 Excitation energy-transfer dynamics of brown algal photosynthetic antennas D Kosumi, M Kita, R Fujii, M Sugisaki, N Oka, Y Takaesu, T Taira, M Iha, ...
The journal of physical chemistry letters 3 (18), 2659-2664, 2012
55 2012 Excited‐State Dynamics of Pentacene Derivatives with Stable Radical Substituents A Ito, A Shimizu, N Kishida, Y Kawanaka, D Kosumi, H Hashimoto, Y Teki
Angewandte Chemie 126 (26), 6833-6837, 2014
50 2014 Stereocontrolled total synthesis of fucoxanthin and its polyene chain-modified derivative T Kajikawa, S Okumura, T Iwashita, D Kosumi, H Hashimoto, S Katsumura
Organic letters 14 (3), 808-811, 2012
49 2012 Ultrafast excited state dynamics of fucoxanthin: excitation energy dependent intramolecular charge transfer dynamics D Kosumi, T Kusumoto, R Fujii, M Sugisaki, Y Iinuma, N Oka, Y Takaesu, ...
Physical Chemistry Chemical Physics 13 (22), 10762-10770, 2011
49 2011 Excitation energy dependence of excited states dynamics in all-trans-carotenes determined by femtosecond absorption and fluorescence spectroscopy D Kosumi, K Yanagi, T Nishio, H Hashimoto, M Yoshizawa
Chemical physics letters 408 (1-3), 89-95, 2005
48 2005 Ultrafast relaxation kinetics of the dark S1 state in all-trans-β-carotene explored by one-and two-photon pump–probe spectroscopy D Kosumi, K Abe, H Karasawa, M Fujiwara, RJ Cogdell, H Hashimoto, ...
Chemical Physics 373 (1-2), 33-37, 2010
42 2010 Elucidation and control of an intramolecular charge transfer property of fucoxanthin by a modification of its polyene chain length D Kosumi, T Kajikawa, S Okumura, M Sugisaki, K Sakaguchi, ...
The Journal of Physical Chemistry Letters 5 (5), 792-797, 2014
38 2014 Ferroelectric metallomesogens composed of achiral spin crossover molecules R Akiyoshi, Y Hirota, D Kosumi, M Tsutsumi, M Nakamura, LF Lindoy, ...
Chemical Science 10 (22), 5843-5848, 2019
35 2019 Photoprotection mechanism of light-harvesting antenna complex from purple bacteria D Kosumi, T Horibe, M Sugisaki, RJ Cogdell, H Hashimoto
The Journal of Physical Chemistry B 120 (5), 951-956, 2016
35 2016 Core and rod structures of a thermophilic cyanobacterial light-harvesting phycobilisome K Kawakami, T Hamaguchi, Y Hirose, D Kosumi, M Miyata, N Kamiya, ...
Nature Communications 13 (1), 3389, 2022
30 * 2022 Photochemical Reduction of CO2 with Red Light Using Synthetic Chlorophyll–Rhenium Bipyridine Dyad Y Kitagawa, H Takeda, K Ohashi, T Asatani, D Kosumi, H Hashimoto, ...
Chemistry Letters 43 (8), 1383-1385, 2014
30 2014 Ultrafast S1 and ICT state dynamics of a marine carotenoid probed by femtosecond one-and two-photon pump-probe spectroscopy D Kosumi, T Kusumoto, R Fujii, M Sugisaki, Y Iinuma, N Oka, Y Takaesu, ...
Journal of luminescence 131 (3), 515-518, 2011
30 2011 Ultrafast Energy‐Transfer Pathway in a Purple‐Bacterial Photosynthetic Core Antenna, as Revealed by Femtosecond Time‐Resolved Spectroscopy D Kosumi, S Maruta, T Horibe, R Fujii, M Sugisaki, RJ Cogdell, ...
Angewandte Chemie 123 (5), 1129-1132, 2011
30 2011 Ultrafast photoexcitation dynamics of π-conjugated bodipy-anthracene-radical triad system K Kanemoto, A Fukunaga, M Yasui, D Kosumi, H Hashimoto, H Tamekuni, ...
RSC advances 2 (12), 5150-5153, 2012
27 2012 Characterization of the intramolecular transfer state of marine carotenoid fucoxanthin by femtosecond pump–probe spectroscopy D Kosumi, R Fujii, M Sugisaki, N Oka, M Iha, H Hashimoto
Photosynthesis research 121, 61-68, 2014
26 2014 Morphology-dependent carrier and exciton generations in regioregular poly (3-hexylthiophene) polymer diodes as revealed by bleaching spectroscopy K Kanemoto, M Yasui, D Kosumi, A Ogata, M Sugisaki, T Karasawa, I Akai, ...
Physical review letters 103 (18), 187402, 2009
26 2009