EXCITED-STATE ENERGY OF (3MLCT)RU(BPY)-3(2+) BY TIME-RESOLVED THERMAL LENS AND PHOTOACOUSTIC METHODS IN AQUEOUS-SOLUTIONS

被引:14
作者
SONG, XQ
ENDICOTT, JF
机构
[1] Department of Chemistry, Wayne State University, Detroit
关键词
D O I
10.1016/0009-2614(93)89176-I
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 time-resolved thermal lens and the pulsed photoacoustic techniques have been used to determine the thermally averaged charge transfer excited state energy of Ru(bpy)32+ in ambient aqueous solutions. The averaged excited state energy of ((3MLCT)Ru(bpy)32+) was found to be (16.8 +/- 0.2) x 10(3) cm-1 by the photoacoustic method and (17.0 +/- 0.6) x 10(3) cm-1 by the thermal lens method. These measurements indicate that the difference between the effective molar volumes of the ground and charge transfer excited states is very small.
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页码:400 / 406
页数:7
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