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题名: Investigation of the internal conversion time of the chlorophyll a from S-3, S-2 to S-1
作者: Shi, Y;  Liu, JY;  Han, KL
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 2005-07-20
DOI: 10.1016/j.cplett.2005.05.017
卷: 410, 期:4-6, 页:260-263
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: By using femtosecond time-resolved stimulated emission pumping fluorescence depletion (FS-TR-SEP-FD), we present a fluorescence depletion study of chlorophyll a (Ch1 a) in various solvent environments. Internal conversion times (IC) in different solvents are observed. It is found that all the S-3 and S-2 to S-1 transition processes are extremely fast, and that the time constants of these processes range from 100 to 260 fs. In aprotic solvent, the rate of IC decreases with an increasing of solvent polarity. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: TRANSIENT ABSORPTION ;  ENERGY-TRANSFER ;  RESONANCE RAMAN ;  PHOTOSYSTEM-II ;  SPECTRA ;  DYNAMICS ;  STATE ;  RELAXATION ;  EXCITATION ;  MOLECULES
语种: 英语
WOS记录号: WOS:000230613900017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139887
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Shi, Y,Liu, JY,Han, KL. Investigation of the internal conversion time of the chlorophyll a from S-3, S-2 to S-1[J]. CHEMICAL PHYSICS LETTERS,2005,410(4-6):260-263.
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