Synthesis of HTaWO6/(Pt, TiO2) nanocomposite with high photocatalytic activities for hydrogen evolution and nitrogen monoxide destruction

Shu Yin, Daisaku Maeda, Masayuki Ishitsuka, Jihuai Wu, Tsugio Sato

研究成果: ジャーナルへの寄稿会議記事査読

27 被引用数 (Scopus)

抄録

HTaWO6/(Pt, TiO2) nanocomposite was synthesized by successive intercalation reactions of HTaWO6 with Pt(NH3)42+, C3H7NH2/heptane mixed solution and TiO2 acidic sol, followed by UV irradiation. The height of TiO2 and Pt pillar is less than 0.51 nm. The host HTaWO6 was white and possessed band gap energy of 3.11 eV, whereas the HTaWO6/(Pt, TiO2) nanocomposite was yellow and showed broad reflection over 400-600 nm together with that corresponding to the host layer, and possessed both excellent hydrogen evolution and nitrogen monoxide destruction photocatalytic activities even under visible light irradiation (λ>510 nm). The HTaWO6/(Pt, TiO2) possessed higher photocatalytic activity than those of undoped HTaWO6, commercial titania powder (Degussa P-25), fibrous titania and Pt-doped fibrous titania.

本文言語英語
ページ(範囲)377-383
ページ数7
ジャーナルSolid State Ionics
151
1-4
DOI
出版ステータス出版済み - 2002 11月
イベントSSP- 2000 - Tokyo, 日本
継続期間: 2000 12月 112000 12月 13

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