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题名: The effect of hydrogen-bond in alcoholic solvent on the solvation ultrafast dynamics of oxazine 750 dye
作者: Zhou LiChuan1;  Shi Ying1;  Liu JianYong1;  Han KeLi1
通讯作者: 韩克利
关键词: molecular reaction dynamics ;  intramolecular vibrational redistribution ;  solvation ;  femtosecond time-resolved stimulated emission pumping fluorescence depletion technique ;  oxazine 750 dye
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2008-07-01
DOI: 10.1007/s11434-008-0218-4
卷: 53, 期:13, 页:1951-1954
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 1;1
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: The ultrafast dynamics of oxazine 750 dye was studied in methanol, ethanol, 1-propanol, 1-butanol solvents using the femtosecond time-resolved stimulated emission pumping fluorescence depletion (FS TR SEP FD) technique. The faster decays on the hundreds of femtosecond time scale and the slower decays on the order of picosecond were found. The intramolecular vibrational redistribution (IVR) and the solute-solvent intermolecular photoinduced electron transfer (ET) should account for the faster decay, while the slower decay is attributable to the diffusive solvent relaxation. The results show that the intermolecular hydrogen-bonding network will hinder the rearrangement of the alcoholic molecules in the solvation process and the time constants of the slower diffusive solvent relaxation decays are found to increase with the hydrogen-bonding energy in alcoholic solvents.
关键词[WOS]: TIME-DEPENDENT FLUORESCENCE ;  DYE MOLECULES ;  RELAXATION ;  METHANOL ;  ACETONITRILE ;  SIMULATION ;  WATER
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000257327400004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101575
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

Recommended Citation:
Zhou LiChuan,Shi Ying,Liu JianYong,et al. The effect of hydrogen-bond in alcoholic solvent on the solvation ultrafast dynamics of oxazine 750 dye[J]. CHINESE SCIENCE BULLETIN,2008,53(13):1951-1954.
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