Design and synthesis of dendrimers with enhanced two-photon absorption

被引：5
|
作者：
Elandaloussi, EH [1 ]
Spangler, CW [1 ]
Dirk, C [1 ]
Casstevens, M [1 ]
Kumar, D [1 ]
Burzynski, R [1 ]
机构：
[1] Montana State Univ, Dept Chem & Biochem, Bozeman, MT 59717 USA
来源：
ORGANIC NONLINEAR OPTICAL MATERIALS AND DEVICES | 1999年 / 561卷
关键词：
D O I：
10.1557/PROC-561-63
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Model dendrimers based on bis-(diphenylamino)stilbene repeat units have been synthesized and shown to have very stable bipolaronic charge states. Calculations at the AM-1 level predict two orders magnitude enhancement in the third-order nonlinearity in going from the neutral to bipolaron state. Measurement of two-photon cross-sections for PPV dimers with attached diphenylamino donor groups show enhanced two-photon cross-sections for ns pulses. Preliminary evaluation of one of the model dendrimers indicates even larger two-photon cross-sections are possible.
引用
收藏
页码：63 / 68
页数：6
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