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题名: Mechanisms of ultrafast fluorescence depletion spectroscopy and applications to measure slovation dynamics of coummarin 153 in methanol
作者: Yang, Songqiu1, 2;  Liu, Jianyong1;  Zhou, Panwang1;  Chen, Junsheng1, 2;  Han, Keli1;  He, Guozhong1
关键词: Fluorescence depletion spectroscopy ;  Stimulated emission ;  Fluorescence up-conversion ;  Time-resolved solvation dynamics ;  Coumarin 153
刊名: JOURNAL OF LUMINESCENCE
发表日期: 2012-09-01
DOI: 10.1016/j.jlumin.2012.03.062
卷: 132, 期:9, 页:2275-2280
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
英文摘要: Subpicosecond fluorescence depletion spectroscopy (FDS) was used to measure the solvation dynamics of coumarin 153 (C153) in methanol. The FDS mechanisms were discussed. A quasi-continuous model was used to describe the solvational relaxation of excited states. The perturbations of the probe pulse on the excited sample system, including up-conversion and stimulated emission, were sufficiently discussed. For a probe molecule used in the FDS experiment, ensuring that the up-conversion perturbation can be negligible is important. FDS was found to be a good technique for measuring the solvation dynamics of C153 in methanol. (C) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: HEPTAMETHINE CYANINE DYE ;  VIBRATIONAL-RELAXATION ;  STIMULATED-EMISSION ;  CHLOROPHYLL-A ;  THEORETICAL-ANALYSIS ;  SPECTRAL PROPERTIES ;  SOLVATION DYNAMICS ;  APROTIC-SOLVENTS ;  CHARGE-TRANSFER ;  LASER-PULSES
语种: 英语
WOS记录号: WOS:000306032200013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143102
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, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Yang, Songqiu,Liu, Jianyong,Zhou, Panwang,et al. Mechanisms of ultrafast fluorescence depletion spectroscopy and applications to measure slovation dynamics of coummarin 153 in methanol[J]. JOURNAL OF LUMINESCENCE,2012,132(9):2275-2280.
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