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Ultrafast internal conversion and vibrational relaxation of butylphthalocyanine and tetraphenylporphyrin in solution
He, Y; Xiong, YJ; Zhu, QH; Kong, FA
1999-07-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume15Issue:7Pages:636-642
AbstractUltrafast 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.
KeywordFemtosecond Fluorescence Depletion Spectra Ultrafast Internal Conversion Vibrational Relaxation
DOI10.3866/PKU.WHXB19990711
Indexed BySCI
Language英语
WOS IDWOS:000081556500011
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75394
Collection中国科学院化学研究所
Corresponding AuthorKong, FA
AffiliationChinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
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.
APA He, Y,Xiong, YJ,Zhu, QH,&Kong, FA.(1999).Ultrafast internal conversion and vibrational relaxation of butylphthalocyanine and tetraphenylporphyrin in solution.ACTA PHYSICO-CHIMICA SINICA,15(7),636-642.
MLA He, Y,et al."Ultrafast internal conversion and vibrational relaxation of butylphthalocyanine and tetraphenylporphyrin in solution".ACTA PHYSICO-CHIMICA SINICA 15.7(1999):636-642.
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