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Photo-induced Optical and Chemical Properties of Polysilane/Inorganic Nano-Hybrids

Published online by Cambridge University Press:  01 February 2011

Kimihiro Matsukawa  and
Yukihito Matsuura
Kimihiro Matsukawa
Affiliation:
Department of Electronic Materials, Osaka Municipal Technical Research Institute, 1–6–50, Morinomiya, Joto-ku, Osaka 536–8553, JAPAN
Yukihito Matsuura
Affiliation:
Department of Electronic Materials, Osaka Municipal Technical Research Institute, 1–6–50, Morinomiya, Joto-ku, Osaka 536–8553, JAPAN
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Abstract

Polysilane/inorganic (silica, titania) nano-hybrids might be attractive materials for organic photonics. Polymethylphenylsilane (PMPS)/silica nano-hybrid thin films were prepared by a sol-gel reaction of PMPS block copolymers with alkoxysilanes. The refractive index of hybrid thin films could be controlled with the composition ratio of PMPS, and the value was changed by UV irradiation accompanying photodecomposition of PMPS. After development of the irradiated hybrid thin films, nano porous (ca. 20nm) silica thin films were generated by removing the decomposed PMPS segments and a high refractive index difference occurred between irradiated and non-irradiated part in the hybrid thin films. Furthermore, under photodecomposition of polysilane copolymers, polysilane functioned as a reducing agent of gold (III) ions to prepare the gold nanoparticles.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 847: Symposium EE – Organic/Inorganic Hybrid Materials , 2004 , EE10.1
Copyright
Copyright © Materials Research Society 2005

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