SPECTROSCOPIC STUDIES OF THE SOLUTE SOLVENT INTERACTION IN DYE-DOPED POLYMERS - FREQUENCY-DEPENDENT PRESSURE SHIFTS

被引:21
作者
REUL, S
RICHTER, W
HAARER, D
机构
[1] Physikalishes Institut der Universität Bayreuth
关键词
D O I
10.1016/0009-2614(91)87106-L
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 method of hole burning spectroscopy is an excellent means to investigate small shifts and broadenings of quasi-homogeneous optical lines of dye molecules embedded in an amorphous matrix, caused by slight changes in the microscopic matrix environment after applying hydrostatic pressure. We have investigated the pressure-induced line shifts of free-base phthalocyanine in the polymer matrices polyethylene and polystyrene. The experimental data confirm the theoretical prediction of Laird and Skinner pertaining to the frequency dependence of the pressure-induced shifts and the corresponding broadening effects of spectral holes.
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页码:1 / 5
页数:5
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