Tricyanoquinodimethane-derived chromophores for second-order nonlinear optical polymers

被引：2
|
作者：
Boldt, P
Wichern, J
Zippel, S
机构：
来源：
NONLINEAR OPTICAL PROPERTIES OF ORGANIC MATERIALS IX | 1996年 / 2852卷
关键词：
Tricyanoquinodimethane acceptor; NLO-polymers; polymer analogous reaction; second harmonic generation coefficient;
D O I：
10.1117/12.256159
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The tricyanoquinodimethane group is one of the strongest pi-acceptors known to date. Yet it has not been employed as an acceptor in NLO chromophores with common aromatic pi-bridges. As an easily accessible example 7-(4-di-n-butylaminophenyl)-7,8,8-tricyanoquinodimethane is examined with respect to thermal/chemical stability and nonlinear optical efficiency. A derivative bearing an hydroxyethyl-spacer was synthesized and covalently attached to functionalized polyimides in a polymer analogous reaction. The second harmonic generation coefficients (d(33)) of the resulting nonlinear optical polymers were measured using the Maker-fringes experiment.
引用
收藏
页码：2 / 11
页数：10
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