NONLOCAL POLARIZABILITIES IN EXCITED-STATES OF POLYACENE CRYSTALS

被引：25
|
作者：
PETELENZ, P
机构：
[1] K. Guminński Department of Theoretical Chemistry, Jagiellonian University, 30-060 Kraków
来源：
CHEMICAL PHYSICS LETTERS | 1993年 / 215卷 / 06期
关键词：
D O I：
10.1016/0009-2614(93)89364-N
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 simple two-state model is applied to estimate the nonlocal contribution to the Frenkel state polarizability, resulting from the coupling of that state with charge transfer excitons. The results suggest that in the S-1 state of anthracene and tetracene the polarizability may be dominated by nonlocal terms. An explanation of the large discrepancies between the polarizabilities measured in slightly different experimental conditions is offered.
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页码：607 / 610
页数：4
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