EXCIMER FORMATION AND MICROSCOPIC AND MACROSCOPIC VISCOSITY OF SOLVENT

被引：12
|
作者：
WEYL, DA
机构：
[1] The Department of Physics, Manchester University Manchester
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR SPECTROSCOPY | 1968年 / A 24卷 / 08期
关键词：
D O I：
10.1016/0584-8539(68)80124-2
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The fluorescent emission of solutions of pyrene in liquid paraffin-hexane mixtures and in benzene containing dissolved polystyrene are observed. The composition of the liquid paraffin-hexane mixed solvent was adjusted so as to give a macroscopic viscosity identical, at the temperature of the fluorescence measurement, to the benzene solvent containing a known quantity of polystyrene. The difference in the viscosity effect of the two solvents on excimer formation is explained in terms of the erroneous use of the macroscopic viscosity. Similar conclusions are reached for the effect of oxygen in the undeoxygenated solutions. © 1968.
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页码：1017 / &
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