Characterization of TiO2/Polyelectrolyte Thin Film Fabricated by a Layer-by-Layer Self-Assembly Method
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概要
- 論文の詳細を見る
Multilayers thin films consisted of TiO2 nanoparticles and oppositely charged polyelectrolytes were fabricated by layer-by-layer self-assembly method and their properties were characterized. At pH 2.0, TiO2 nanoparticles were maximally deposited with poly(sodium 4-styrenesulfonate) (PSS) and the thickness and the surface roughness of film assembled with poly(acrylic acid) (PAA) were largest because of the loopy structure of PAA in acidic solution. On the other hand, the thin film prepared with poly(vinylsulfonic acid–sodium salt) (PVS) showed the high deposition of TiO2, lowest surface roughness, high refractive index ($n=2.1$) at 632 nm, and high transmittance in visible range. In addition, this film composed of anatase nanoparticles showed good photocatalytic property by decomposing methyl orange molecules with UV irradiation.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-10-15
著者
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Shiratori Seimei
Department Of Applied Physics & Physico-informatics Faculty Of Science & Technology Keio Uni
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Kim Jin-Ho
Department of Applied Physics and Physico-Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yakohama 223-8522, Japan
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