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首页> 外文期刊>Science of advanced materials >Synthesis and Visible Light Photo-Electrochemical Behavior of In_2O_3-Sensitized TiO_2 Nanorod Arrays
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Synthesis and Visible Light Photo-Electrochemical Behavior of In_2O_3-Sensitized TiO_2 Nanorod Arrays

机译：In_2O_3-敏化的TiO_2纳米棒阵列的合成及可见光光电行为

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摘要

ln_2O_3-sensitized TiO_2 nanorod arrays (NRs) was prepared on fluorine-doped tin oxide (FTO) conductive glass substrates by a facile two-step process. The as-prepared samples were characterized by field-emission electron scanning microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction, ultraviolet-visible reflection spectrophotometry, and X-ray photoelectron spectroscopy. The photo-electrochemical properties of the TiO_2 NRs photoelectrodes before and after being sensitized with ln_2O_3 nanoparticles were investigated under visible light illumination. The results show that the photocurrent of ln_2O_3-sensitized TiO_2 NRs is dramatically enhanced compared with that of the TiO_2 NRs or ln_2O_3 nanoparticles under visible light illumination. The enhanced photocurrent is attributed to the coupling effects of ln_2O_3 nanoparticles and TiO_2 NRs. This method is also suitable for the synthesis of other narrow band-gap semiconductor-sensitized TiO_2 NRs, which can be used in solar cells and photocatalysis filed.
机译：通过简便的两步法在掺氟氧化锡（FTO）导电玻璃基板上制备了In_2O_3敏化的TiO_2纳米棒阵列（NRs）。通过场发射电子扫描显微镜，透射电子显微镜，能量色散X射线光谱法，X射线衍射，紫外可见反射分光光度法和X射线光电子能谱表征所制备的样品。在可见光下研究了用In_2O_3纳米粒子敏化前后的TiO_2 NRs光电极的光电化学性质。结果表明，与TiO_2 NRs或ln_2O_3纳米粒子相比，In_2O_3敏化的TiO_2 NRs的光电流在可见光照射下显着增强。增强的光电流归因于ln_2O_3纳米粒子与TiO_2 NRs的耦合作用。该方法也适用于其他窄带隙半导体敏化的TiO_2 NR的合成，可用于太阳能电池和光催化领域。

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  • 来源
    《Science of advanced materials》 |2013年第7期|796-802|共7页
  • 作者

    Chunlan Cao; Chenguo Hu; Weidong Shen; Shuxia Wang; Jianli Wang; Hong Liu; Yi Xi;

  • 作者单位

    Department of Applied Physics, Chongqing University, Chongqing 400044, P. R. China,Key Laboratory of Special Power Supply, Chongqing Communication College, Chongqing 400035, P. R. China;

    Department of Applied Physics, Chongqing University, Chongqing 400044, P. R. China;

    Key Laboratory of Special Power Supply, Chongqing Communication College, Chongqing 400035, P. R. China;

    Department of Applied Physics, Chongqing University, Chongqing 400044, P. R. China;

    Key Laboratory of Special Power Supply, Chongqing Communication College, Chongqing 400035, P. R. China;

    State Key Laboratory of Crystal Materials, School of Physics, Shandong University, Jinan 250100, P. R. China;

    Department of Applied Physics, Chongqing University, Chongqing 400044, P. R. China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    TiO_2 Nanorod Arrays; ln_2O_3; Photo-Electrochemical Behavior; Visible Light;

    机译：TiO_2纳米棒阵列;ln_2O_3;光电行为;可见光;

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