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Confinement Effect on Ag Clusters in the Channels of Well-Ordered Mesoporous TiO2 and their Enhanced Photocatalytic Performance

Authors

  • Ting Li,

    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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  • Wei Zhou,

    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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  • Prof. Jianqiang Wang,

    1. Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204 (P.R. China)
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  • Yang Qu,

    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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  • Chungui Tian,

    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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  • Kai Pan,

    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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  • Guohui Tian,

    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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  • Prof. Honggang Fu

    Corresponding author
    1. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
    • Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, Heilongjiang University, 74 Xuefu Road, Nangang District, Harbin, 150080 (P.R. China), Fax: (+86) 451-8667-3647
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Abstract

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Pug-walls: The confinement effect of ordered mesoporous TiO2 results in the formation of highly dispersed Ag clusters with strong interactions between the clusters and the pore walls. The mesoporous Ag/TiO2 composite exhibits excellent photocatalytic activity under UV/Vis light, owing to the Schottky barrier favoring the separation of photogenerated electron/hole pairs and to surface plasmon resonance, thus improving photocatalytic performance.

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