Precipitation of anatase nanocrystals on UV-irradiated organosilsesquioxane-titania films with hot water treatment

Ryouhei Ogawa; Atsunori Matsuda; Toshihiro Kogure; Kiyoharu Tadanaga; Tsutomu Minami; Masahiro Tatsumisago

doi:10.14853/pcersj.2003S.0.29.0

Preprints of Annual Meeting of The Ceramic Society of Japan, 2003

Session ID : 1B11

DOI https://doi.org/10.14853/pcersj.2003S.0.29.0

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Host: The Ceramic Society of Japan

Precipitation of anatase nanocrystals on UV-irradiated organosilsesquioxane-titania films with hot water treatment

*Ryouhei Ogawa, Atsunori Matsuda, Toshihiro Kogure, Kiyoharu Tadanaga, Tsutomu Minami, Masahiro Tatsumisago

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Abstract

UV irradiation against RSiO_3/2-TiO₂ films was found to promote the precipitation of anatase nanocrystals during the subsequent hot water treatment. This is probably due to the formation of Si-OH groups and Si-O-Si bonds in the films with UV irradiation. Pattern with anatase nanocrystals can be formed on the films by selective UV exposure and hot water treatment.

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