Effects of intermolecular interactions on the lowest excited state in luminescent conjugated polymers and oligomers

被引：95
|
作者：
Cornil, J
Heeger, AJ
Bredas, JL
机构：
[1] UNIV MONS HAINAUT,LAB CHEM NOVEL MAT,B-7000 MONS,BELGIUM
[2] UNIV MONS HAINAUT,CTR RES MOL ELECT & PHOTON,B-7000 MONS,BELGIUM
来源：
CHEMICAL PHYSICS LETTERS | 1997年 / 272卷 / 5-6期
关键词：
D O I：
10.1016/S0009-2614(97)00573-3
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 influence of intermolecular interactions on the electronic and optical properties of conjugated compounds is discussed in relation to the use of these materials as active elements in electrooptic devices. The results of correlated quantum-chemical calculations show that intermolecular interactions strongly affect the absorption and emission properties that are characteristic of isolated conjugated chains. The emission properties of conjugated systems are significantly modified when geometry relaxation phenomena occur in the lowest excited state. The role played by molecular disorder and chemical impurities is also addressed. (C) 1997 Published by Elsevier Science B.V.
引用
收藏
页码：463 / 470
页数：8
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