A MODEL DESCRIPTION OF CHARGE CARRIER TRANSPORT PHENOMENA IN ORGANIC MOLECULAR-CRYSTALS .2. PERYLENE

被引：13
|
作者：
SILINSH, EA
SHLIHTA, GA
JURGIS, AJ
机构：
[1] Institute of Physical Energetics, Latvian Academy of Sciences, Riga
来源：
CHEMICAL PHYSICS | 1991年 / 155卷 / 03期
关键词：
D O I：
10.1016/0301-0104(91)80115-X
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 model description, previously used for computer simulation studies of charge carrier transport phenomena in polyacene crystals, has been extended to alpha-perylene crystals. A modified Sano-Mozumder (SM) model has been used for simulation of reported experimental carrier transport characteristics as a function of electric field E and temperature T, both in the hot and in the thermalized carrier regime. The present studies demonstrate the plausibility of a nearly small molecular polaron (MP) model approach to describe phenomenologically the negative charge carrier separation and transport phenomena in alpha-perylene crystals over a wide temperature (30-300 K) and electric field (10(3)-10(5) V/cm) range. On the other hand, the behaviour of positive charge carrier transport characteristics in alpha-perylene indicates small lattice polaron (LP) formation.
引用
收藏
页码：389 / 399
页数：11
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