Ultrafast excited state dynamics of monomeric bacteriochlorophyll a

被引：13

作者：

Kosumi, Daisuke ^{[1
,2
]}

Maruta, Satoshi ^{[1
,2
]}

Fujii, Ritsuko ^{[2
,3
]}

Kanemoto, Katsuichi ^{[1
,2
]}

Sugisaki, Mitsuru ^{[1
,2
,3
]}

Hashimoto, Hideki ^{[1
,2
,3
]}

机构：

[1] Osaka City Univ, Grad Sch Sci, Dept Phys, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan

[2] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan

[3] Osaka City Univ, Adv Res Inst Nat Sci & Technol OCARINA, Osaka, Japan

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 8, NO 1 | 2011年 / 8卷 / 01期

关键词：

photosynthesis; bacteriochlorophyll; ultrafast phenomena; excited state; PHOTOSYNTHETIC BACTERIA; OPTICAL-RESPONSES; CRYSTAL-STRUCTURE; ENERGY-TRANSFER; IN-VIVO; ARCHITECTURE; ABSORPTION; COMPLEX; SYSTEMS; MEMBRANES;

D O I：

10.1002/pssc.201000684

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ultrafast excited state dynamics of the photosynthetic pigment bacteriochlorophyll a in solution have been investigated by means of steady-state and time-resolved spectroscopic techniques. Photo-induced absorption spectra were observed upon excitation of bacteriochlorophyll a into its Q(y) or Q(x) absorption band. We show an incorporation of the Q(x) state in the ultrafast excited state dynamics of Bchl a in solution based on a comparison of transient absorption, beaching, and stimulated emission kinetics after excitation to the Q(x) or Q(y) band. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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页码：92 / 95

页数：4

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