Optical second-harmonic generation from oligothiophene films

被引：5
|
作者：
Geiger, F
Marowsky, G
机构：
[1] Laser-Laboratorium Gottingen e.V., 37077 Göttingen
来源：
CHEMICAL PHYSICS LETTERS | 1996年 / 254卷 / 3-4期
关键词：
D O I：
10.1016/0009-2614(96)00319-3
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：
We have studied surface second-harmonic generation from thin layers of several oligothiophenes deposited by vacuum sublimation on fused silica substrates. Although these oligothiophenes have a symmetric pi-electron system, they show a second-harmonic response which is strongly dependent on the conjugation length. Their average orientation was also determined by analyzing the polarization dependence of the second-harmonic signal.
引用
收藏
页码：179 / 183
页数：5
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