FLUORESCENCE AND ABSORPTION-SPECTROSCOPY OF POLY-N-EPOXYPROPYLCARBAZOLE

被引：0
|
作者：
NAKHODKIN, TN
PEREPELITSA, VK
机构：
来源：
UKRAINSKII FIZICHESKII ZHURNAL | 1990年 / 35卷 / 09期
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Singlet and triplet excition energy position in poly-N-epoxypropylcarbazole (PEPC) has been found. Excimer fluorescence of PEPC layers is determined, its intensity growing with photooxidation. Exciton localization is shown to take place within the energy range of 3.5-2.7 eV, self-trapping of excitions - at 2.5-2.3 eV, strong localization of exciton - 2.1-1.8 eV; self-trapping of charges at 1.8-1.3 eV; the occupation of deep traps by charges - at 1.0-0.47 eV. Two-photon absorption and and fluorescence processes with real existing first and second excited states is revealed in PEPC for the first time. This result is confirmed for polyvinylcarbazole and anthracene.
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页码：1304 / 1310
页数：7
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