LIFETIME RECOVERY FOR SPECIES PARTICIPATING IN COMPLEX KINETICS - APPLICATION TO THE REVERSIBLE EXCIMER

被引:7
作者
BERBERANSANTOS, MN
FARINHA, JP
MARTINHO, JMG
DUHAMEL, J
WINNIK, MA
机构
[1] UNIV TORONTO,ERINDALE COLL,TORONTO M5S 1A1,ONTARIO,CANADA
[2] UNIV TORONTO,LASH MILLER CHEM LABS,DEPT CHEM,TORONTO M5S 1A1,ONTARIO,CANADA
关键词
D O I
10.1016/0009-2614(92)85210-2
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 new method for the determination of intrinsic lifetimes of excited species participating in a complex mechanism is presented. This method is independent of the mechanism itself, and only requires that the interacting species maintain their indentity and exist in a known number. The method is applied to the determination of the excimer lifetime of pyrene in cyclohexanol from 25 to 85-degrees-C. An activation energy of 12 +/- 1 kJ mol-1 is calculated from the reciprocal excimer lifetime Arrhenius plot.
引用
收藏
页码:328 / 332
页数:5
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