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首页> 外文期刊>RSC Advances >Optimizing the photocatalysis in ferromagnetic Bi6Fe1.9Co0.1Ti3O18 nanocrystal by morphology control
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Optimizing the photocatalysis in ferromagnetic Bi6Fe1.9Co0.1Ti3O18 nanocrystal by morphology control

机译：通过形态控制优化铁磁性BI6FE1.9CO0.1TI3O18纳米晶体的光催化分析

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摘要

Size and morphology are critical to monitoring the properties of nanocrystals. In this work, Bi6Fe1.9Co0.1Ti3O18 (BFCTO) nanocrystals, which are a visible-light active photocatalyst with room temperature ferromagnetism, were successfully synthesized through a hydrothermal process. Furthermore, the morphology dependent magnetism and band gap of the BFCTO-1.00/BFCTO-1.50/BFCTO-2.00 nanocrystals are studied by adjusting the NaOH concentration to 1.00 M/1.50 M/2.00 M in the hydrothermal process, respectively. As the {117} facet ratio increases, the absorption edge has an obvious red-shift by 32 nm and the corresponding bandgap is reduced from 2.58 to 2.42 eV. Remarkably, the specific surface area normalized degradation rate of BFCTO-1.50 was considerably higher than those of BFCTO-1.00 and BFCTO-2.00 due to the optimal ratio of {001} and {117} facets.
机译：尺寸和形态对于监测纳米晶体的性质至关重要。 在这项工作中，通过水热过程成功地合成了具有室温铁磁性的可见光活性光催化剂的Bi6Fe1.9Co0.1Ti3O18（BFcto）纳米晶体。 此外，通过将NaOH浓度调节到水热过程中的NaOH浓度至1.00m / 1.50m / 2.00m，研究了BFCTO-1.00 / BFCTO-1.50 / BFCTO-2.00纳米晶体的形态依赖性磁性和带隙。 随着{117}方面的比例增加，吸收边缘具有32nm的明显红移，并且相应的带隙从2.58降至2.42eV。 值得注意的是，由于{001}和{117}小平面的最佳比率，BFCTO-1.50的归一化表面积归一化降解率大于BFCTO-1.00和BFCTO-2.00的降解速率。

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  • 来源
    《RSC Advances》 |2015年第67期|共6页
  • 作者

    Ge Wen; Fu Zhengping; Li Xiaoning; Wang Jianlin; Zhu Zhu; Liu Min; Peng Ranran; Lu Yalin;

  • 作者单位

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

    Univ Sci &

    Technol China Dept Mat Sci &

    Engn CAS Key Lab Mat Energy Convers Hefei 230026 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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