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首页> 外文期刊>Surface Science >Adsorption and stability of malonic acid on rutile TiO_2 (110), studied by near edge X-ray absorption fine structure and photoelectron spectroscopy
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Adsorption and stability of malonic acid on rutile TiO_2 (110), studied by near edge X-ray absorption fine structure and photoelectron spectroscopy

机译：近缘X射线吸收精细结构和光电子能谱研究丙二酸在金红石型TiO_2（110）上的吸附和稳定性

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摘要

The adsorption of malonic add on rutile TiO_2 (110) has been studied using photoelectron spectroscopy and C K-edge, near edge X-ray fine structure spectroscopy (NEXAFS). Analysis of the O 1s and Ti 2p spectra suggest that the molecule adsorbs dissociatively in a doubly-bidentate adsorption geometry as malonate. The data are unable to distinguish between a chelating bonding mode with the backbone of the molecule lying along the [001] azimuth or a bridging geometry along the direction. Work carried out on a wiggler beamline suggests that the molecule is unstable under irradiation by high-flux synchrotron radiation from this type of insertion device.
机译：利用光电子能谱和CK边缘，近边缘X射线精细结构光谱法（NEXAFS）研究了金红石型TiO_2（110）上丙二醛添加物的吸附。对O 1s和Ti 2p光谱的分析表明，该分子以双齿形吸附几何形状以丙二酸酯形式解离吸附。数据无法区分具有沿着[001]方位角分布的分子骨架的螯合键合模式还是沿着该方向的桥接几何结构。在摆动光束线上进行的工作表明，在这种类型的插入设备发出的高通量同步加速器辐射的照射下，该分子不稳定。

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  • 来源
    《Surface Science》 |2014年第8期|14-20|共7页
  • 作者

    Karen L. Syres; Andrew G. Thomas; Darren M. Graham; Ben F. Spencer; Wendy R. Flavell; Mark J. Jackman; Vinod R. Dhanak;

  • 作者单位

    School of Physics and Astronomy, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Photon Science Institute, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,The University of Nottingham, School of Chemistry, University Park, Nottingham NG7 2RD, UK;

    School of Physics and Astronomy, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Photon Science Institute, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK;

    School of Physics and Astronomy, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Photon Science Institute, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Cockcroft Institute, Daresbury Laboratory, Sci-Tech Daresbury, Daresbury, Warrington WA4 4AD, UK;

    School of Physics and Astronomy, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Photon Science Institute, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Cockcroft Institute, Daresbury Laboratory, Sci-Tech Daresbury, Daresbury, Warrington WA4 4AD, UK;

    School of Physics and Astronomy, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Photon Science Institute, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK;

    School of Physics and Astronomy, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK,Photon Science Institute, Alan Turing Building, The University of Manchester, Oxford Road, Manchester M13 9PL, UK;

    STFC Daresbury Laboratory, Sci-Tech Daresbury, Daresbury, Warrington WA4 4AD, UK,Current address: Physics Department and Stephenson Institute for Renewable Energy, University of Liverpool L69 7BX, UK;

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  • 正文语种 eng
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  • 关键词

    Titanium dioxide; Single crystal; Adsorption; Synchrotron radiation;

    机译：二氧化钛;单晶;吸附;同步辐射;

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