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Preparation of polysiloxane with pendant Cr‐bound carbazole chromophore for nonlinear optics
Author(s) -
Hui Chen,
Xiaohui Tian,
Yizhong Yuan,
Jiaping Lin
Publication year - 2007
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.27553
Subject(s) - polymer , glass transition , materials science , amorphous solid , chromophore , polymer chemistry , thermal decomposition , fourier transform infrared spectroscopy , chemical engineering , chemistry , photochemistry , organic chemistry , composite material , engineering
A novel η 6 ‐complex of N ‐allylcarbazole containing chromium tricarbonyl was synthesized. This complex was hydrosilylated with polymethylhydrosiloxane to afford a substituted polymer. Both the complex and the polymer were characterized by classical spectroscopy techniques (FTIR, NMR, and UV–vis), gel permeation chromatography, elemental analysis, and thermal analysis (TGA and DSC). The glass transition temperature of the polymer was found to be above 100°C and its thermal decomposition temperature was above 280°C. The polymer was amorphous in nature and formed excellent homogeneous films of good optical transparency. The third nonlinear optical properties of this polymer film coated on quartz substrate were studied by time‐resolved forward degenerate four‐wave mixing (DFWM). © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2008