Coumarin derivatives with enhanced two-photon absorption cross-sections

被引：54
作者：
Li, Xue
Zhao, Yuxia [1 ]
Wang, Tao
Shi, Mengquan
Wu, Feipeng
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
DYES AND PIGMENTS | 2007年 / 74卷 / 01期
基金：
中国国家自然科学基金;
关键词：
coumarin derivatives; two-photon absorption; charge transfer; TPEF;
D O I：
10.1016/j.dyepig.2006.01.020
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of ketocoumarin derivatives were synthesized using Aldol condensation and Wittig reactions and their one- and two-photon photophysical properties were investigated. Two-photon absorption cross-sections (delta) of the derivatives revealed that most of the new compounds possessed delta values that were some one to two orders of magnitudes larger than those of commercial coumarin dyes. The largest delta value within measured range was obtained as 1570 GM, which is comparable to that of reported strong two-photon absorption compounds. These novel det vatives containing the functional ketocountarin group should open new opportunities for two-photon polymerization. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：108 / 112
页数：5
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