Modulated conjugation for record-high intrinsic hyperpolarizabilities

被引：0

作者：

Perez-Moreno, Javier ^{[1
]}

Clays, Koen ^{[1
]}

Kuzyk, Mark G. ^{[2
]}

Zhao, Yuxia ^{[3
]}

Shen, Yuquan ^{[3
]}

Qiu, Ling ^{[3
]}

Hao, Juming ^{[3
]}

机构：

[1] Katholieke Univ Leuven, Dept Chem, Celestijnenlaan 200D, B-3001 Louvain, Belgium

[2] Washington State Univ, Dept Phys, Pullman, WA 99164 USA

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100101, Peoples R China

来源：

LINEAR AND NONLINEAR OPTICS OF ORGANIC MATERIALS VII | 2007年 / 6653卷

关键词：

first hyperpolarizability; optimization strategies for the nonlinear optical response; donor-accept charge-transfer organic chromophores; modulated conjugation; hyper-Rayleigh scattering;

D O I：

10.1117/12.730845

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effects of a complex hybrid conjugation path in linear molecules as an strategy to optimize the intrinsic first hyperpolarizability is investigated. A series of 7 novel chromophores with different hybrid conjugation paths were synthesized and characterized. Hyper-Rayleigh scattering experiments confirm that complex hybrid conjugation paths, including benzene, thiophene and/or thiazole rings in combination with azo- and/or ethenyl-linkages, between a dihydroxyethylamino donor group and different acceptor groups, results in an enhanced intrinsic hyperpolarizability that exceed the apparent limit for two of the chromophores.

引用

页数：8

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