Synthesis of Dendronized NLO Chromophores and Research on Electro-optic Properties of Its Polymer Systems

Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (7): 1369.

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Synthesis of Dendronized NLO Chromophores and Research on Electro-optic Properties of Its Polymer Systems

CHEN Zhuo^1,2, GAO Wu^1,2, LI Xiao-Dong¹, ZHEN Zhen¹, LIU Xin-Hou^1*

1. Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received:2009-10-10 Online:2010-07-10 Published:2010-07-10
Contact: LIU Xin-Hou. E-mail: xhliu@mail.ipc.ac.cn
Supported by:
国家自然科学基金(批准号: 20374058)和中国科学院知识创新工程重要方向性项目(批准号: KJCX2.YW.H02)资助.

Abstract

Abstract:

In order to reduce the electrostatic interaction between chromophores and increase their compatibi-lity in the polymer, a kind of second order nonlinear optical(NLO) active chromophores based on tricyanofuran(TCF) as the acceptor and 3,4-disubstituted thiophene as the bridge were designed and prepared. The chromophores were characterized by UV, IR, ¹H NMR and MS. At the same time, the electro-optical performance of this compounds-doped polymer system was studied. We observed that the chromophore molecules had excellent compatibility with polymers and high electro-optic activity. The electro-optic coefficients(r₃₃) showed increase with the rising of the chromophore mass fraction. Even if the chromophore content was up to 47.2%, the electro-optic coefficients still rose. The r₃₃ value of polymer system was 30 pm/V at 1310 nm in this case. It is always showed that the electrostatic interaction between chromophores is suppressed. These results indicate that the chromophores and the compounds-doped polymer system are very promising candidates for practical applications in the field of electro-optics and photonics.

Key words: Second order nonlinear optics; Electro-optic material; Chromophore; Poled polymer

TrendMD:

CHEN Zhuo, GAO Wu, LI Xiao-Dong, ZHEN Zhen, LIU Xin-Hou*. Synthesis of Dendronized NLO Chromophores and Research on Electro-optic Properties of Its Polymer Systems[J]. Chem. J. Chinese Universities, 2010, 31(7): 1369.

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Synthesis of Dendronized NLO Chromophores and Research on Electro-optic Properties of Its Polymer Systems

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