Third-Order Optical Nonlinearity and Conductivity of 2, 5-Disubstituted Poly(1, 4-Phenylene Vinylene) Composites with SOL-GEL Processed Inorganic Glasses
Composites of poly(1,4-phenylene vinylene) (PPV) and some of its derivatives such as poly(2-bromo-5-methoxy phenylene vinylene) (BrMPPV) and poly(2-buthoxy-5-methoxy phenylene vinylene) (BuMPPV) with sol-gel processed silica and V2O5 glasses were prepared as materials for optical waveguide and photonics applications. Optical nonlinearities of the pure polymers and the polymer/sol-gel composites were measured by the degenerate four-wave mixing technique. The x (3) values are ~ 3 × 10−10,~ 9 × 10−10, and ~ 10−9 esu for the PPV, BrMPPV and BrMPPV polymers, respectively. The composites exhibited the x (3) value scaled by the number density, but were of enhanced optical quality for waveguide application. The maximum conductivity of the PPV/sol-gel film doped with AsF5 was 0.023 S/cm.
KeywordsQuartz Silicate Iodine Phenylene Dehydration
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