Synthesis and characterization of carbazole derived nonlinear optical dyes

被引：54
作者：
Yoon, Kuk Ro
Ko, Seung-O
Lee, Soo Min
Lee, Hoosung
机构：
[1] Hannam Univ, Dept Chem, Taejon 306791, South Korea
[2] Sogang Univ, Dept Chem, Mapo Ku, Seoul 121742, South Korea
来源：
DYES AND PIGMENTS | 2007年 / 75卷 / 03期
关键词：
second harmonic coefficients (d(33)/d(31)); electro-optic coefficients (r(33)); push-pull molecules; carbazole; organic dye;
D O I：
10.1016/j.dyepig.2006.07.004
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Three kinds of carbazole derived dyes, Caz-MN, Caz-Fu, and Caz-Vm-MN of push-pull molecules were synthesized and their nonlinear optical properties measured. The second harmonic generation (SHG) coefficients, d(33), of Caz-Fu/PVK[poly(9-vinylcarbazole)] (0.1:0.9) and Caz-Vm-MN/PVK (0.1:0.9) were 2.06 x 10(-9) esu and 7.3 x 10(-9) esu, respectively. The electro-optic coefficients (r(33)) of these PVK blends with dyes were also observed to be 1.23 pm/V, 4.03 pm/V at a wavelength of 632.8 nm. The synthesized novel carbazole based dyes Caz-MN, Caz-Fu, and Caz-Vm-MN were characterized by means of H-1 NMR spectroscopy, IR spectroscopy, thermogravimetric analysis, electro-optic coefficients (r(33)), and their NLO properties were evaluated by Maker fringe method. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：567 / 573
页数：7
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