Some new photorefractive polymers containing indole groups were synthesized and characterized by IR, 1H NMR, and UV techniques. The Gibbs free energy changes (ΔG) of corresponding reactions were predicted by density functional theory to be 4.19 and −9.71 kcal mol−1 for –H, and 4.12 and −11.93 kcal mol−1 for –OCH3, respectively. The glass transition temperature (T g) of the polymers were about 96–111 °C. The nonlinear second-order optical susceptibility was predicted to be 2.84 × 10−30 and 1.04 × 10−30 esu by theoretical quantum calculations.
Research on Chemical Intermediates – Springer Journals
Published: Mar 17, 2013
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