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Structural evaluation and photocatalytic properties of Pt-supported titanate nanotubes |
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| Authors: | Takashi Kubo Hidezumi Nagata Masato Takeuchi Masaya Matsuoka Masakazu Anpo Atsushi Nakahira |
| Institution: | (1) Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, 599-8531 Sakai-shi, Osaka, Japan;(2) Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, 599-8531 Sakai-shi, Osaka, Japan |
| Abstract: | Pt nanocrystal-supported titanate nanotubes as a photocatalyst were prepared by hydrothermal treatment and subsequent heat-treatment in H2 atmosphere (H2 reduction) of a mixture of these titanate nanotubes and H2PtCl6. TEM results showed that Pt nanoparticles (a few nm in diameter and 5 to 10 nm in length) with good crystallinity were entrapped inside titanate naotubes and were closely precipitated on the surface of titanate nanotubes. These Pt nanocrystal-supported titanate nanotubes possessed the high ability for HCHO decomposition. |
| Keywords: | Titania nanotube titanate Pt nanocrystal H2 reduction photocatalyst |
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