A TIME-RESOLVED ELECTRON-NUCLEAR DOUBLE-RESONANCE (ENDOR) STUDY OF THE PHOTO-EXCITED TRIPLET-STATE

被引：20
|
作者：
OHKOSHI, S
YAMAUCHI, S
OHBA, Y
IWAIZUMI, M
机构：
[1] Institute for Chemical Reaction Science, Tohoku University, Sendai, 980, Katahira
来源：
CHEMICAL PHYSICS LETTERS | 1994年 / 224卷 / 3-4期
关键词：
D O I：
10.1016/0009-2614(94)00555-9
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A time-resolved ENDOR (TRENDOR) apparatus was constructed and applied to observe hyperfine couplings in the photoexcited triplet (T1) state. The TRENDOR spectra of the T1 states were observed both in mixed crystals and glass. The hyperfine coupling constants were obtained at 4-100 K for quinoxaline in single crystals of durene and p-dibromobenzene and for tetraphenylporphine (H2TPP) in toluene glass. The time profile of the ENDOR signal was analyzed with population kinetics using a four-level system.
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页码：313 / 318
页数：6
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