Mechanisms for enhancement of two-photon absorption in donor-acceptor conjugated chromophores

被引:334
作者
Kogej, T
Beljonne, D
Meyers, F
Perry, JW
Marder, SR
Brédas, JL
机构
[1] Univ Mons, Ctr Res Mol Elect & Photon, Lab Chem Novel Mat, B-7000 Mons, Belgium
[2] CALTECH, Beckman Inst, Pasadena, CA 91125 USA
[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
关键词
D O I
10.1016/S0009-2614(98)01196-8
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
Two-photon absorption (TPA) is a nonlinear optical process that is gaining increasing attention since it can be exploited in a number of optical applications. Here, on the basis of correlated quantum-chemical calculations, we investigate the structure-TPA property relationships for donor-acceptor pi-conjugated compounds. These relationships provide strategies to design dyes with large TPA cross-sections for fundamental photon wavelengths in the desired 0.6-1.0 mu m range of wavelengths. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:1 / 6
页数:6
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