Theoretical design of substituted tetrathia-[7]-helicenes with large second-order nonlinear optical responses

被引：59

作者：

Champagne, B

André, JM

Botek, E

Licandro, E

Maiorana, S

Bossi, A

Clays, K

Persoons, A

机构：

[1] Fac Univ Notre Dame Paix, Lab Chim Theor Appliquee, B-5000 Namur, Belgium

[2] Univ Milan, Dipartimento Chim Organ & Ind, I-20133 Milan, Italy

[3] Univ Leuven, Ctr Res Mol Elect & Photon, B-3001 Heverlee, Belgium

来源：

CHEMPHYSCHEM | 2004年 / 5卷 / 09期

关键词：

helical structures; nonlinear optical properties; semiempirical calculations; substituent effects;

D O I：

10.1002/cphc.200400225

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：

Increasing response: Semiempirical calculations show that substituting tetrathia-[7]-helicene in positions 7 and 8 (see graphic) as well as in positions 2 and 13 by adequate donor/acceptor pairs can lead to a substantial increase of the second-order nonlinear optical response.

引用

收藏

页码：1438 / 1442

页数：5

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