ICCAS OpenIR
Size effects of oligothiophene on the dynamics of electron transfer in pi-conjugated oligothiophene-perylene bisimide dyads
Huang, Jie1,2; Fu, Hongbing1; Wu, Yishi1; Chen, Shiyan1; Shen, Fugang1; Zhao, Xiaohui1; Liu, Yunqi1; Yao, Jiannian1
2008-02-21
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume112Issue:7Pages:2689-2696
AbstractThe photophysical properties of a series of pi-conjugated oligothiophene-perylene bisimide dyads nT-PBI (n = 1, 2, and 3) in solutions were investigated. A sharp fluorescence quenching of the perylene bisimide moiety in these dyads nT-PBI (n = 1, 2, and 3) was observed upon photoexcitation of the perylene bisimide moiety, indicating a fast and efficient electron-transfer process. The properties of photoinduced electron transfer of these dyads nT-PBI (n = 1, 2, and 3) in solutions were investigated by time-resolved fluorescence spectra and femtosecond transient absorption spectra in the visible region. It was found that as the number of thiophene repeat units, i.e., the size, increases, the rate constants of charge separation and charge recombination increase about 3 orders and over 1 order of magnitude, respectively, because of the combined effects of energetics and electronic coupling. These results demonstrate that a change in size of donor could change and modulate the dynamics of electron transfer.
DOI10.1021/jp0759426
Indexed BySCI
Language英语
WOS IDWOS:000253222200069
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64710
Collection中国科学院化学研究所
Corresponding AuthorFu, Hongbing
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing Natl Lab Mol Sci, Beijing 100080, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Huang, Jie,Fu, Hongbing,Wu, Yishi,et al. Size effects of oligothiophene on the dynamics of electron transfer in pi-conjugated oligothiophene-perylene bisimide dyads[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2008,112(7):2689-2696.
APA Huang, Jie.,Fu, Hongbing.,Wu, Yishi.,Chen, Shiyan.,Shen, Fugang.,...&Yao, Jiannian.(2008).Size effects of oligothiophene on the dynamics of electron transfer in pi-conjugated oligothiophene-perylene bisimide dyads.JOURNAL OF PHYSICAL CHEMISTRY C,112(7),2689-2696.
MLA Huang, Jie,et al."Size effects of oligothiophene on the dynamics of electron transfer in pi-conjugated oligothiophene-perylene bisimide dyads".JOURNAL OF PHYSICAL CHEMISTRY C 112.7(2008):2689-2696.
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