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Photocatalytic Aerobic Oxidation of Alcohols on TiO2: The Acceleration Effect of a Brønsted Acid

Authors

  • Dr. Qi Wang,

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Science, Beijing 100190 (China)
    2. School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018 (China)
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  • Dr. Miao Zhang,

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Science, Beijing 100190 (China)
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  • Prof. Chuncheng Chen,

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Science, Beijing 100190 (China)
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  • Prof. Wanhong Ma,

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Science, Beijing 100190 (China)
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  • Prof. Jincai Zhao

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Science, Beijing 100190 (China)
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  • Financial support from 973 project (Nos. 2010CB933503 and 2007CB613306), NSFC (Nos. 20920102034, 20772129, and 20877076), and CAS is gratefully acknowledged.

Abstract

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Schnell durch Säure: Auf TiO2 adsorbierte Brønsted-Säuren beschleunigen die photokatalytische Oxidation von Alkoholen deutlich, ohne dass die Selektivität beeinträchtigt wird (siehe Schema). Die Brønsted-Säuren fördern die Zersetzung von „Side-on“-Peroxid-Titan-Spezies, durch die aktive Zentren an der Katalysatoroberfläche entstehen.

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