Two-photon absorption properties of alkynyl-conjugated pyrene derivatives

被引：106

作者：

Kim, Hwan Myung ^{[1
]}

Lee, Yeon Ok ^{[1
]}

Lim, Chang Su ^{[1
]}

Kim, Jong Seung ^{[1
]}

Cho, Bong Rae ^{[1
]}

机构：

[1] Korea Univ, Dept Chem, Seoul 136701, South Korea

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2008年 / 73卷 / 13期

关键词：

D O I：

10.1021/jo800363v

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of pyrene derivatives having 4-(N,N-dimethylamino)phenylethynyl groups as the substituent (1-5) have been synthesized and their two-photon absorption properties were investigated. Comparison of two-photon cross section (delta(max)) with related compounds reveals that pyrene is as efficient pi-center as anthracene in two-photon materials. Moreover, the two-photon cross section (delta(max)) increased with the number of substituents reaching at the maximum value of 1150 GM for the tetra-substituted derivative (5). Furthermore, the two-photon action cross section (Phi delta(max)) of 5 is comparable to that the most efficient two-photon materials. This result provides a useful guideline to the design of efficient two-photon materials bearing pyrene as a pi-center.

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页码：5127 / 5130

页数：4

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