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The Surface-Structure Sensitivity of Dioxygen Activation in the Anatase-Photocatalyzed Oxidation Reaction

Authors

  • Dr. Yubao Zhao,

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

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
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  • Dr. Yue Li,

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
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  • Hongwei Ji,

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

    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
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  • Prof. Huaiyong Zhu,

    1. School of Physical and Chemical Sciences, Queensland University of Technology, Brisbane Qld 4001 (Australia)
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  • Prof. Jincai Zhao

    Corresponding author
    1. Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
    • Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
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  • The authors are grateful for financial support of this work from 973 Projects (No. 2010CB933503) and NSFC (Nos. 20920102034, 21077110, and 20877076) and CAS.

Abstract

original image

Die Wege, über die Sauerstoff bei der photokatalytischen Oxidation von Terephthalsäure (TPTA) eingeführt wird, sind an den {001}- und {101}-Flächen eines Anatas-Einkristalls stark verschieden. Aufgedeckt wurde dies durch Steuerung des Prozentsatzes an {001}- und {101}-Flächen, Zurückverfolgung des Ursprungs der Hydroxygruppe durch Isotopenmarkierung sowie Untersuchung des O2-Verbrauchs und der Varianz der Konzentration des Hydroxylierungsintermediats.

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