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Adsorption and dehydrogenation of tetrahydroxybenzene on Cu(111)

机译:四羟基苯在Cu(111)上的吸附和脱氢

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摘要

Adsorption of tetrahydroxybenzene (THB) on Cu(111) and Au(111) surfaces is studied using a combination of STM, XPS, and DFT. THB is deposited intact but on Cu(111) it undergoes gradual dehydrogenation of the hydroxyl groups as a function of substrate temperature, yielding a pure dihydroxy-benzoquinone phase at 370 K. Subtle changes to the adsorption structure upon dehydrogenation are explained from differences in molecule-surface bonding.
机译:结合使用STM,XPS和DFT,研究了四羟基苯(THB)在Cu(111)和Au(111)表面上的吸附。 THB完好无损地沉积,但在Cu(111)上羟基随底物温度的变​​化而逐渐脱氢,在370 K时产生纯的二羟基苯醌相。 -表面粘合。

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  • 来源
    《Chemical Communications》 |2013年第81期|9308-9310|共3页
  • 作者单位

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

    Karlsruhe Institute of Technology (KIT), Institut fuer Nanotechnologie, Karslruhe, Germany;

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

    Karlsruhe Institute of Technology (KIT), Institut fuer Nanotechnologie, Karslruhe, Germany,IPCMS-CNRS, Universite de Strasbourg, Strasbourg, France;

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

    Sino-Danish Center for Molecular Nanostructures on Surfaces, Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus C, Denmark;

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  • 入库时间 2022-08-17 13:18:45

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