%0 Journal Article
%T Photophysical and photosensitive properties of Elsinochrome A
%A Cong Li
%A Yanping He
%A Lingcheng Ou
%A Maojun Tian
%A Zhikun Yao
%A Mengbi Guo
%A <br>LI
%A Cong
%A HE
%A Yanping
%A OU
%A Lingcheng
%A TIAN
%A Maojun
%A YAO
%A Zhikun
%A GUO
%A Mengbi
%J 科学通报(英文版)
%D 2006
%I 
%X In this paper, the photophysical and photosensitive properties of Elsinochrome A (EA), another member of perylenequinone photosensitizers derived via artificially biological synthesis, were stud- ied by taking hypocrellin A (HA) and hypocrellin B (HB) as the references. It was found that the quantum yield of singlet oxygen produced via the photosensi- tization of EA was 0.98 with HB (0.84) as a reference. Furthermore, the semiquinone anion could be pro- duced via photosensitization of EA in oxygen-free solution. Besides, taking advantage of nanosecond time-resolved spectral technique, the transient triplet absorption spectra and the lifetime of EA in cyclo- hexane were determined by the use of the ground- state depletion method.
%K Elsinochrome A
%K fluoresces spectra
%K absorption spectra
%K singlet oxygen
%K semiquinone radical anion
%K triplet-state<br>荧光光谱
%K 感光性能
%K 单态氧
%K 吸收光谱
%K 半醌自由基负离子
%K 光敏剂
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=42C8EF911DC02684C6CAABDC1DBA4ACB&yid=37904DC365DD7266&vid=987EDA49D8A7A635&iid=9CF7A0430CBB2DFD&sid=208AC7DC28BD1EC6&eid=1A775ABEB80E436B&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=1&reference_num=20