Keiichiro Norimoto | Researchain

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Journal of Materials Science | 1999

The effect of SiO2 addition in super-hydrophilic property of TiO2 photocatalyst

Mitsuyosi Machida; Keiichiro Norimoto; Toshiya Watanabe; Kazuhito Hashimoto; A. Fujishima

The relation between the effect and the amount of SiO2 addition on photo-generated hydrophilicity of TiO2 thin film, was investigated by measuring the X-ray diffraction, the microstructure, the specific surface area and the TG-DTA. It was found that the optimum range existed in the amount of SiO2 addition to TiO2, 10–30 mol % SiO2 addition was most effective for contact angle of water. The SiO2 addition less than 30 mol % has a suppressive effect on the transformation of anatase to rutile and on the crystal growth of anatase in calcination, and it has large surface area. With the consequence that the photocatalytic activity of TiO2 and the capability of holding absorbed water which increases during UV irradiation improved.

Archive | 2004

Method for photocatalytically rendering a surface of a substrate superhydrophilic, a substrate with superhydrophilic photocatalytic surface, and method of making thereof

Makoto Hayakawa; Eiichi Kojima; Keiichiro Norimoto; Mitsuyoshi Machida; Atsushi Kitamura; Toshiya Watanabe; Makoto Chikuni; Akira Fujishima; Kazuhito Hashimoto

Archive | 1998

Multi-functional material with photocatalytic functions and method of manufacturing same

Toshiya Watanabe; Eiichi Kojima; Keiichiro Norimoto; Tamon Kimura; Mitsuyoshi Machida; Makoto Hayakawa; Atsushi Kitamura; Makoto Chikuni; Yoshimitsu Saeki; Tatsuhiko Kuga; Yasushi Nakashima

Archive | 1995

Antimicrobial solid material, process for producing the same, and method of utilizing the same

Makoto Hayakawa; Toshiya Watanabe; Tamon Kimura; Mitsuyoshi Kanno; Keiichiro Norimoto

Journal of the American Ceramic Society | 2004

Antibacterial Activity of Photocatalytic Titanium Dioxide Thin Films with Photodeposited Silver on the Surface of Sanitary Ware

Mitsuyoshi Machida; Keiichiro Norimoto; Tamon Kimura

Archive | 1996

Method of photocatalytically making the surface of base material ultrahydrophilic, base material having ultrahydrophilic and photocatalytic surface, and process for producing said material

Makoto Chikuni; Akira Fujishima; Kazuhito Hashimoto; Makoto Hayakawa; Atsushi Kitamura; Eiichi Kojima; Mitsuyoshi Machida; Keiichiro Norimoto; Toshiya Watanabe

Archive | 1998

Method for photocatalytically hydrophilifying surface and composite material with photocatalytically hydrophilifiable surface

Makoto Hayakawa; Eiichi Kojima; Keiichiro Norimoto; Mitsuyoshi Machida; Atsushi Kitamura; Toshiya Watanabe; Makoto Chikuni; Akira Fujishima; Kazuhito Hashimoto

Archive | 1996

Use of material having ultrahydrophilic and photocatalytic surface

Makoto Hayakawa; Eiichi Kojima; Keiichiro Norimoto; Mitsuyoshi Machida; Atsushi Kitamura; Toshiya Watanabe; Makoto Chikuni; Akira Fujishima; Kazuhito Hashimoto

Archive | 1994

Multi-functional material having photo-catalytic function and production method therefor.

Toshiya Watanabe; Eiichi Kojima; Keiichiro Norimoto; Tamon Kimura; Mitsuyosi Machida; Makoto Hayakawa; Atsushi Kitamura; Makoto Chikuni; Yoshimitsu Saeki; Tatsuhiko Kuga; Yasushi Nakajima

Archive | 1995