A PHOTOLUMINESCENCE STUDY OF C-60 AND C-70

被引：124
|
作者：
SIBLEY, SP
ARGENTINE, SM
FRANCIS, AH
机构：
[1] Department of Chemistry, The University of Michigan, Ann Arbor
来源：
CHEMICAL PHYSICS LETTERS | 1992年 / 188卷 / 3-4期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0009-2614(92)90007-A
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：
The luminescence spectra of C60 and C70 have been recorded in glassy toluene solution at 77 K and as neat solids at 5 K. The C70 spectrum consists of two band systems each with resolved vibronic structure. The red system of C70 begins at 15012 cm-1, exhibits a lifetime of < 20-mu-s and is assigned as S1 --> S0 fluorescence. The infrared emission system begins at 12614 cm-1, decays with a 30 ms lifetime and is assigned as T1 --> S0 phosphorescence. A weak luminescence maximum at 13579 cm-1 is assigned tentatively as the S1 --> S0 fluorescence of C60.
引用
收藏
页码：187 / 193
页数：7
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