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Photoinduced electron transfer between mono-6-p-nitrobenzoyl-beta-cyclodextrin and adamantanamine-C-n-porphyrins
Wang, YH; Zhu, MZ; Ding, XY; Ye, JP; Liu, L; Guo, QX
2003-12-18
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
ISSN1520-6106
Volume107Issue:50Pages:14087-14093
AbstractA series of monotailed porphyrins, zinc 5-{4-[omega-(1-adamantaneamino)alkyloxy]phenyl}-10,15,20-triphenyl porphyrinate (ZnPC(n)A, n = 4, 5, 6), were synthesized in which the porphyrin moiety was connected to I-adamantanamine via a flexible hydrocarbon chain. It was found that photoinduced electron transfer could occur between these porphyrin compounds and mono-6-p-nitrobenzoyl-beta-cyclodextrin (NBCD) in aqueous solution. Detailed steady-state and time-resolved fluorescence measurements revealed two pathways of electron transfer, i.e., the electron transfer between the free donor and free acceptor in solution (dynamic quenching), and the electron transfer between the donor and acceptor bound in a supramolecular complex (static quenching). In these two pathways, the static quenching was found to be highly efficient and dominant in the presence of NBCD. The remarkably large electron-transfer rate (k(SET), ca. 1.0 x 10(9) s(-1)) of the static quenching was found to be very close to that of a covalently linked porphyrin-nitrobenzene dyad.
DOI10.1021/jp0347419
Indexed BySCI
Language英语
WOS IDWOS:000187279200046
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81380
Collection中国科学院化学研究所
Corresponding AuthorLiu, L
Affiliation1.Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 10080, Peoples R China
3.Lanzhou Univ, Natl Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Wang, YH,Zhu, MZ,Ding, XY,et al. Photoinduced electron transfer between mono-6-p-nitrobenzoyl-beta-cyclodextrin and adamantanamine-C-n-porphyrins[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2003,107(50):14087-14093.
APA Wang, YH,Zhu, MZ,Ding, XY,Ye, JP,Liu, L,&Guo, QX.(2003).Photoinduced electron transfer between mono-6-p-nitrobenzoyl-beta-cyclodextrin and adamantanamine-C-n-porphyrins.JOURNAL OF PHYSICAL CHEMISTRY B,107(50),14087-14093.
MLA Wang, YH,et al."Photoinduced electron transfer between mono-6-p-nitrobenzoyl-beta-cyclodextrin and adamantanamine-C-n-porphyrins".JOURNAL OF PHYSICAL CHEMISTRY B 107.50(2003):14087-14093.
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