蒽醌、甲基紫精、N,N-二乙基苯胺与金丝桃蒽酮素光致电子转移的研究

doi:10.7517/j.issn.1674-0475.1998.01.15

影像科学与光化学 ›› 1998, Vol. 16 ›› Issue (1): 15-21.DOI: 10.7517/j.issn.1674-0475.1998.01.15

蒽醌、甲基紫精、N,N-二乙基苯胺与金丝桃蒽酮素光致电子转移的研究

夏光明, 贺学忠, 周亚琳, 张曼华, 沈涛

中国科学院感光化学研究所, 北京 100101

收稿日期:1997-03-13 修回日期:1997-04-24 出版日期:1998-02-20 发布日期:1998-02-20
通讯作者: 张曼华
基金资助:
国家自然科学基金资助项目(批准号:59573010)

A STUDY OF PHOTOINDUCED ELECTRON TRANSFERBETWEEN ANTHRAQUINONE, N,NDIETHYLANILINE,METHYL VIOLGEN AND HYPERICIN

XIA Guangming, HE Xuezhong, ZHOU Yalin, ZHANG Manhua, SHEN Tao

Institute of Photographic Chemistry, The Chinese Academy of Sciences, Beijing 100101, P. R. China

Received:1997-03-13 Revised:1997-04-24 Online:1998-02-20 Published:1998-02-20

摘要/Abstract

摘要： 金丝桃蒽酮素(HYP)是有多个羟基的醌类衍生物。在极性溶剂乙腈中,电子给体N,N-二乙基苯胺和电子受体甲基紫精、蒽醌均能有效猝灭其荧光。说明它既具有酚羟基的给电子性能,又有醌类化合物的受电子性能。HYP与平面构型的蒽醌可能形成基态复合物,以不同的方式与其发生光致相互作用。

关键词: 金丝桃蒽酮素, 光致电子转移, 荧光猝灭

Abstract: Hypericin(HYP) is a derivative of polyhydroxy substituted perylenequinones. In acetonitrile,the fluorescence of HYP can be quenched by electron donor: N,N diethylaniline and acceptors: methyl viologen,anthraquinone,indicating that HYP can act either as a electron acceptor like quinones or as a electron donor like phenols. HYP maybe forms charge transfer complex in ground state with anthraquinone which has a plane configurition and interacts with it in the different way.

Key words: hypericin, photoinduced electron transfer, fluorescence quenching

夏光明, 贺学忠, 周亚琳, 张曼华, 沈涛. 蒽醌、甲基紫精、N,N-二乙基苯胺与金丝桃蒽酮素光致电子转移的研究[J]. 影像科学与光化学, 1998, 16(1): 15-21.

XIA Guangming, HE Xuezhong, ZHOU Yalin, ZHANG Manhua, SHEN Tao. A STUDY OF PHOTOINDUCED ELECTRON TRANSFERBETWEEN ANTHRAQUINONE, N,NDIETHYLANILINE,METHYL VIOLGEN AND HYPERICIN[J]. Imaging Science and Photochemistry, 1998, 16(1): 15-21.

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蒽醌、甲基紫精、N,N-二乙基苯胺与金丝桃蒽酮素光致电子转移的研究

A STUDY OF PHOTOINDUCED ELECTRON TRANSFERBETWEEN ANTHRAQUINONE, N,NDIETHYLANILINE,METHYL VIOLGEN AND HYPERICIN

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