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题名: Femtosecond spectroscopy study of electronically excited states of Chlorophyll a molecules in ethanol
作者: Shiu, YJ;  Shi, Y;  Hayashi, M;  Su, C;  Han, KL;  Lin, SH
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 2003-08-29
DOI: 10.1016/S0009-2614(03)01272-7
卷: 378, 期:1-2, 页:202-210
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: A femtosecond transient absorption technique is used to investigate the vibrational frequencies of the first electronically excited state of Chlorophyll a. From the quantum beats analysis, we obtain vibrational frequencies within 98-791 cm(-1). Based on these frequencies, we calculate the absorption and fluorescence spectra using the displaced-distorted harmonic potential surface model. The ratio of the absorption intensities of the first and second excited states yields similar to7.5. We perform various excitations to obtain anisotropy profiles and find that they vary between -0.005 +/- 0.005 and 0.41 +/- 0.015. To understand the kinetics appearing in the profiles, we propose a microscopic model. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: TRANSIENT ABSORPTION ;  DYNAMICS ;  SPECTRA ;  ALLOPHYCOCYANIN ;  MONOMERS ;  RAMAN
语种: 英语
WOS记录号: WOS:000185124600033
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138358
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.Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan
2.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Computat Chem, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 106, Taiwan
5.Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan

Recommended Citation:
Shiu, YJ,Shi, Y,Hayashi, M,et al. Femtosecond spectroscopy study of electronically excited states of Chlorophyll a molecules in ethanol[J]. CHEMICAL PHYSICS LETTERS,2003,378(1-2):202-210.
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