Paper Title:
Preparation, Morphological Characteristics and Electro-Optic Property of Polyimide and Hybrid
  Abstract

Nonlinear optical (NLO) polyimide and a series of polyimide/silica nanohybrids were synthesized from 3,3',4,4'-biphenyltetracarboxylic dianhydride (BPDA), NLO molecule 4-(4’- nitrophenyl-2-yl) phenyl-1,3-diamine, coupling agent and TEOS via sol-gel method. The TEOS content in the hybrids was varied from 0 to 22.5 wt%. The prepared hybrids were characterized by FT-IR, Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), Scanning Electron Microscopy (SEM) and Transmission Electron Microscope (TEM). The glass transition temperature (Tg) and the decomposition temperature (Td) at 5 % mass loss were in the range 232~365 °C and 335~475 °C, respectively. The results showed that the prepared materials had excellent thermal stabilities. The electro-optic coefficients (γ33) at 832 nm were in the range of 19-34 pm/V and the values remained well. The experimental results indicate that the prepared thin films have good candidate for electro-optical applications.

  Info
Periodical
Materials Science Forum (Volumes 663-665)
Edited by
Yuan Ming Huang
Pages
808-811
DOI
10.4028/www.scientific.net/MSF.663-665.808
Citation
G. Y. Wu, H. B. Wang, C. Yao, F. X. Qiu, "Preparation, Morphological Characteristics and Electro-Optic Property of Polyimide and Hybrid", Materials Science Forum, Vols. 663-665, pp. 808-811, 2011
Online since
November 2010
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$32.00
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