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Preparation of porous 3D Ce-doped ZnO microflowers with enhanced photocatalytic performance

机译：具有增强的光催化性能多孔3D CE掺杂ZnO微射线的制备

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摘要

Porous 3D Ce-doped ZnO microflowers were prepared by a hydrothermal method followed by a low temperature annealing process. The effects of Ce doping on the structural and photocatalytic properties of porous ZnO microflowers were investigated in detail. The samples were characterized using XRD, SEM, EDS, XPS, DRS, PL spectra and BET surface area measurements. According to the XRD analysis, both of the crystalline structures of the synthesized pure ZnO and Ce-doped ZnO samples are hexagonal wurtzite. The XPS results demonstrated the successful synthesis of Ce4+ doped ZnO. In addition, the SEM morphologies showed the unique porous 3D flower-like structure of the Ce-doped ZnO. Compared with the porous ZnO microflowers, the Ce-doped ZnO samples exhibit improved photocatalytic performance in the decomposition of Rhodamine B (RhB). It is proposed that the special structural feature with a porous 3D structured and Ce modification lead to the rapid photocatalytic activity of the Ce-doped ZnO microflowers.
机译：通过水热法制备多孔3D CE掺杂的ZnO微射线，然后进行低温退火工艺制备。 CE掺杂对多孔ZnO微吹游者的结构和光催化性能的影响进行了详细研究。使用XRD，SEM，EDS，XPS，DRS，PL光谱和BET表面积测量来表征样品。根据XRD分析，合成纯ZnO和Ce掺杂的ZnO样品的晶体结构都是六边形卟啉。 XPS结果证明了CE4 +掺杂ZnO的成功合成。此外，SEM形态显示CE掺杂ZnO的独特多孔3D花状结构。与多孔ZnO微射线相比，Ce掺杂的ZnO样品在罗丹明B（RHB）的分解中表现出改善的光催化性能。提出，具有多孔3D结构和CE改性的特殊结构特征导致CE掺杂Zno微射线的快速光催化活性。

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  • 来源
    《RSC Advances》 |2015年第74期|共8页
  • 作者

    Liang Yimai; Guo Na; Li Linlin; Li Ruiqing; Ji Guijuan; Gan Shucai;

  • 作者单位

    Jilin Univ Coll Chem Changchun 130026 Peoples R China;

    Jilin Univ Coll Chem Changchun 130026 Peoples R China;

    Jilin Univ Coll Chem Changchun 130026 Peoples R China;

    Jilin Univ Coll Chem Changchun 130026 Peoples R China;

    Jilin Univ Coll Chem Changchun 130026 Peoples R China;

    Jilin Univ Coll Chem Changchun 130026 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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