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题名: Ultrafast internal conversion and vibrational relaxation of butylphthalocyanine and tetraphenylporphyrin in solution
作者: He, Y;  Xiong, YJ;  Zhu, QH;  Kong, FA
关键词: femtosecond fluorescence depletion spectra ;  ultrafast internal conversion ;  vibrational relaxation
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1999-07-01
DOI: 10.3866/PKU.WHXB19990711
卷: 15, 期:7, 页:636-642
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Ultrafast internal conversion (IC) and vibrational relaxation dynamics of electronically excited butylphthalocyanine (BuPc) and tetra-phenylporphyrin (TPP) molecules in solution are theoretically studied on the basis of the perturbative density operator method and the transient linear susceptibility theory. Femtosecond time-resolved profile of fluorescence depletion is simulated with a single vibrational mode. The internal conversion, the vibrational relaxation and the solvation rate constants in electronically excited states are determined. The results show that the sharp peak of fluorescence depletion reflects primarily the internal conversion process from the S-2 state to the S-1 state of BuPc and TPP. IC occurs in a 200 fs time scale.
关键词[WOS]: ELECTRON-TRANSFER ;  ZN-TETRAPHENYLPORPHYRIN ;  THEORETICAL-ANALYSIS ;  PHTHALOCYANINE ;  FLUORESCENCE ;  PORPHYRINS ;  DERIVATIVES ;  MOLECULES ;  DYNAMICS ;  ENERGY
语种: 英语
WOS记录号: WOS:000081556500011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138623
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, Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China

Recommended Citation:
He, Y,Xiong, YJ,Zhu, QH,et al. Ultrafast internal conversion and vibrational relaxation of butylphthalocyanine and tetraphenylporphyrin in solution[J]. ACTA PHYSICO-CHIMICA SINICA,1999,15(7):636-642.
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