Synthesis of Poly (3-acetylpyrrolyl methine) with Azobenzene Side Groups and Study on Its Third-order Nonlinear Optical Property

查看全文 作　　者：Zhigang [1,2]ZHANG;Hongcai [1]WU;Lingjie [1]MENG;Wenhui [1]YI

机构地区：[1]Institute of Photoelectric Technology and Solar Energy, School of Electronic and Information Engineering, Xi'an JiaotongUniversity, Xi'an 710049, China;[2]Department of PDP, IRICO Group Electronics Company Limited, Beijing 100085, China

出　　处：《Journal of Materials Science & Technology》索引2005年第21卷第5期,共4页

基　　金：the National Natural Science Foundation of China for financial support of this work(No.60277002). 摘　　要：A novel soluble 7r-conjugated polymer, poly [(3-acetylpyrrole-2, 5-diyl) p-(N, N-dimethylamino) azobenzylidene] (PA-PDMAABE), was synthesized by condensation of 3-acetylpyrrole with 4-aldehyde-4’-dimethylaminoazobenzene (AD-MAA). The chemical structure of PAPDMAABE was characterized by Fourier transform infrared spectroscopy (FTIR),1H-NMR, and UV-Vis-NIR spectra. Transmission electron microscope (TEM) analysis for PAPDMAABE indicatesthat part of PAPDMAABE is in crystal state, due to the short-range order of the polymer. Thermogravimetric analy-sis (TGA) curve shows that the polymer has good thermal stability and its decomposition temperature is 248°C. Theoptical band gap of PAPDMAABE obtained from the optical absorption spectrum is about 1.73 eV. The resonantthird-order nonlinear optical property of PAPDMAABE at 532 nm was studied using degenerate four-wave mixing(DFWM) technique. The resonant third-order nonlinear optical susceptibility of the polymer is about 7.48×10-8 esu. 关键词：聚乙烯非线性光学性质聚合体化学结构

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Synthesis of Poly (3-acetylpyrrolyl methine) with Azobenzene Side Groups and Study on Its Third-order Nonlinear Optical Property

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