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Photophysical properties of diphenyl-2,3-dihydroxychlorin and diphenylchlorin
Shan, XF; Wang, TY; Li, SY; Yang, LY; Fu, LM; Yang, GQ; Wang, ZP; Ma, JS
2006-02-01
Source PublicationJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
ISSN1011-1344
Volume82Issue:2Pages:140-145
AbstractThe photophysical properties of 5,15-diphenyl-2,3-dihydroxychlorin (DPCOH) and 5,15-diphenyl-chlorin (DPC) in organic solution were studied. Absorption, fluorescence, triplet state and photobleaching experiments are reported. The ground states of both compounds show strong absorbance in red region (lambda = 638 nm, epsilon = 35,000 m(-1) cm(-1) and lambda = 645 nm, epsilon = 42,000 M-1 cm(-1), respectively) and the singlet excited states show low fluorescence quantum yields of 0.0802 and 0.150 in benzene and the lifetimes are 7.38 and 10.18 ns, respectively. Absorption spectra of the triplet states were also measured and they have nearly the same triplet state lifetimes of 53 mu s (DPCOH) and 50 mu s (DPC). The triplet quantum yields are 0.82 and 0.75, respectively. The data of photobleaching quantum yields show that the presence of oxygen does not significantly affect the photobleaching. All the results demonstrate that both diphenylchlorines are good candidates for second-generation photosensitizer in photodynamic therapy. (c) 2005 Elsevier B.V. All rights reserved.
KeywordChlorins Photophysical Properties Absorption Fluorescence Triplet State
DOI10.1016/j.jphotobiol.2005.11.003
Indexed BySCI
Language英语
WOS IDWOS:000234959400007
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/59726
Collection中国科学院化学研究所
Corresponding AuthorMa, JS
Affiliation1.Chinese Acad Sci, Inst Chem, CAS Key Lab Photochem, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stabel Speci, Beijing 100080, Peoples R China
3.Harbin Engn Univ, Dept Chem Engn, Harbin 150001, Peoples R China
Recommended Citation
GB/T 7714
Shan, XF,Wang, TY,Li, SY,et al. Photophysical properties of diphenyl-2,3-dihydroxychlorin and diphenylchlorin[J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY,2006,82(2):140-145.
APA Shan, XF.,Wang, TY.,Li, SY.,Yang, LY.,Fu, LM.,...&Ma, JS.(2006).Photophysical properties of diphenyl-2,3-dihydroxychlorin and diphenylchlorin.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY,82(2),140-145.
MLA Shan, XF,et al."Photophysical properties of diphenyl-2,3-dihydroxychlorin and diphenylchlorin".JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 82.2(2006):140-145.
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