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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/1662

Title: アナターゼ型チタニア固溶体ナノ粒子の水熱条件下における創製
Other Titles: Formation of Anatase-Type Titania (TiO_2) Solid Solution Nanoparticles under Hydrothermal Conditions
Authors: 平野, 正典
伊藤, 貴晴
松嶋, 一真
伊達, 和宏
HIRANO, Masanori
ITO, Takaharu
MATSUSHIMA, Kazumasa
DATE, Kazuhiro
Issue Date: 31-Aug-2007
Publisher: 愛知工業大学
Abstract: Anatase-type titania (TiO_2) solid solution nanoparticles doped with transition metal cations were directly synthesized from aqueous solutions under hydrothermal conditions. Scandium was doped into anatase nanoparticles up to 10 mol% by hydrothermal crystallization from amorphous co-precipitates. Niobium-doped anatase-type titania nanoparticles were also directly formed under mild hydrothermal conditions using the hydrolysis of urea. The prominent effects of forming solid solutions with niobium oxide for anatase-type TiO_2 on the enhancement of photo-decomposition of MB under UV irradiation and adsorptivity in the dark were confirmed. The anatase-type Ti_<1-2X>Nb_XAl_XO_2 solid solutions, that were directly formed under mild hydrothermal conditions using the hydrolysis of urea, showed improved photocatalytic activity.
URI: http://hdl.handle.net/11133/1662
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