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Synthesis and characterization absorbing polymers of novel rigid two-photon

被引：24
作者：
Belfield, KD
Yao, S
Morales, AR
Hales, JM
Hagan, DJ
Van Stryland, EW
Chapela, VM
Percino, J
机构：
[1] Univ Cent Florida, Dept Chem, Orlando, FL 32816 USA
[2] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA
[3] Univ Cent Florida, CREOL, Orlando, FL 32816 USA
[4] Univ Cent Florida, FPCE, Orlando, FL 32816 USA
[5] Univ Autonoma Puebla, Ctr Quim, Puebla 72570, Mexico
来源：
POLYMERS FOR ADVANCED TECHNOLOGIES | 2005年 / 16卷 / 2-3期
关键词：
benzothiazole; thiazolothiazole; fluorescence; synthesis; thermogravimetric analysis;
D O I：
10.1002/pat.550
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two-photon absorbing polymers with alternating fluorenyl units as a pi-conjugated bridge and bisbenzothiazole or thiazolothiazole as electron-acceptors were synthesized and characterized by IR, elemental analysis, absorption and fluorescence spectroscopy, and thermogravimetric analysis (TGA). Improvement on the solubility was observed in comparison with their phenyl based analogies. The linear absorption and emission spectra were recorded and high fluorescence quantum yields were found. Relatively large two-photon absorption cross-section per repeat unit (420 GM) were measured under fs-pulsed laser excitation. Copyright (c) 2005 John Wiley & Sons, Ltd.
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收藏
页码：150 / 155
页数：6
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