Synthesis and second-order nonlinear optical properties of bis(salicylaldiminato)M(II) metalloorganic materials

被引：121

作者：

Di Bella, S ^{[1
]}

Fragalà, I ^{[1
]}

机构：

[1] Univ Catania, Dipartimento Sci Chim, I-95125 Catania, Italy

来源：

SYNTHETIC METALS | 2000年 / 115卷 / 1-3期

关键词：

metal complexes; copolymers; quadratic hyperpolarizability; nonlinear optics;

D O I：

10.1016/S0379-6779(00)00354-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new synthetic strategy to second-order nonlinear optical (NLO) metalloorganic chromophores has been developed. These materials exhibit a sizable nonlinearity, an excellent thermal stability, and can be easily incorporated in thermally stable main-chain polymers for poled polymer NLO applications. In addition, substituted donor-acceptor derivatives exhibit two-dimensional NLO characteristics. The effect of the metal center in such complexes is manifold; it templates the formation of acentric molecular structures, imparts high thermal stability to the chelate ring, and both 'switches on' and enhance NLO response. This paper briefly reviews recent research developed in our laboratory on this new class of NLO materials. (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：191 / 196

页数：6

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