ELECTROCHEMICAL GENERATION OF EXCITED TWISTED INTRAMOLECULAR CHARGE-TRANSFER STATES .6. 9,9'-BIANTHRYL AND 10,10'-DIMETHOXY-9,9'-BIANTHRYL

被引：20
作者：
KAPTURKIEWICZ, A
机构：
[1] Institute of Physical Chemistry, the Polish Academy of Sciences, 01-224 Warsaw
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1993年 / 348卷 / 1-2期
关键词：
D O I：
10.1016/0022-0728(93)80138-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The electrogenerated chemiluminescence of 9,9'-bianthryl and 10,10'-dimethoxy-9,9'-bianthryl was studied in acetonitrile electrolyte solutions using the triple-step method. In the electrogenerated emission spectra, only the twisted intramolecular charge transfer MCT) band was observed. The Feldberg plot analysis indicates that the emitting species (excited TICT state) are formed directly by the electron transfer between the electrogenerated radical anion and radical cation (S-route). The emission efficiencies (phi(ECL) UP to 0.03) and the yields of excited state formation (phi(ES) up to 0.14 were evaluated in the range between room temperature and the melting point of acetonitrile. The phi(ES) values obtained have been interpreted in terms of Marcus theory.
引用
收藏
页码：283 / 302
页数：20
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