Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
光触媒機能材の表面における親水性と疎水性の変換方法、該方法を用いるための親水性・疎水性変換素子および該方法を用いる印刷機器
Document Type and Number:
Japanese Patent JP4322331
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reversibly switch the hydrophilic and hydrophobic properties of the surface of a photocatalytically functional material in accordance with the wavelength of radiated light by combining titanium dioxide with at least one metal selected from the group consisting of Cr, V, Nb, Fe, Cu, Co, Ni and Mn by ion implantation. SOLUTION: Titanium dioxide is combined with at least one specified metal by ion implantation to obtain the objective photocatalytically functional material. The titanium dioxide may be synthesized by CVD, thermo-CVD or sputtering. When the titanium dioxide has a film structure, the film thickness is preferably >=20 nm. Acceleration voltage in the ion implantation is preferably in the range of 50 keV to 2 MeV. A fluorescent lamp, an incandescent lamp or a mercury lamp may be used as a light source for light excitation. The desired wavelength of radiated light is obtained by intercepting the unnecessary wavelength with a color glass filter or the like.

Inventors:
Masahiro Miyauchi
Shimobukie Mitsuhide
Toshiya Watanabe
Kazuhito Hashimoto
Akira Nakajima
Akira Fujishima
Nobuo Koeda
Takefumi Mihashi
Shunichi Hishida
Application Number:
JP29932398A
Publication Date:
August 26, 2009
Filing Date:
October 21, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOTO Ltd.
National Institute for Materials Science
Akira Fujishima
Kazuhito Hashimoto
Toshiya Watanabe
Akira Nakajima
International Classes:
B01J23/16; B01J23/26; B01J35/02; B41N3/03; C09K3/00
Domestic Patent References:
JP9262482A
JP10250027A
JP10035131A
JP2003202658A
JP2000006360A
JP2000062335A
JP10226509A
JP11197512A
JP11092176A
Attorney, Agent or Firm:
Yu Koyama