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One step from ZnO rod to ZnS porous tube

机译：从ZnO棒到ZnS多孔管的一步

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摘要

ZnS porous tubes comprising nanocrystals of 10 nm were fabricated as photocatalyst via Using ZnO rods as template. The ZnO rods were firstly synthesized in aqueous solution and poly(vinylpyrrolidone) played a key role in manipulating the diameter. Then, Na_2S solution was used to convert ZnO rods into ZnS porous tubes. According to the time-dependent experiments, the dissolving of the inner ZnO core obeys to the anisotropic habit of the ZnO crystal. The products were characterized by X-ray diffraction (XRD), scanning electronic microscopy (SEM), transmission electronic microscopy (TEM) and energy-dispersive spectrometer (EDS). The as-obtained ZnS porous tubes exhibit a broad and strong ultraviolet absorption around 350 nm and possess good photocatalytic efficiency on degradation of Rhodamine B under ultraviolet irradiation.
机译：以ZnO棒为模板，制备了含10 nm纳米晶体的ZnS多孔管作为光催化剂。首先在水溶液中合成了ZnO棒，而聚乙烯吡咯烷酮在控制直径方面起着关键作用。然后，用Na_2S溶液将ZnO棒转化为ZnS多孔管。根据时间相关实验，内部ZnO核的溶解遵循ZnO晶体的各向异性习惯。产品通过X射线衍射（XRD），扫描电子显微镜（SEM），透射电子显微镜（TEM）和能谱仪（EDS）表征。所获得的ZnS多孔管在350nm附近具有宽而强的紫外线吸收，并且在紫外线照射下对若丹明B的降解具有良好的光催化效率。

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  • 来源
    《Materials Science and Engineering》 |2010年第3期|p.195-200|共6页
  • 作者

    Dapeng Wu; Bo Xiao; Ning Liu; Ying Xiao; Kai Jiang;

  • 作者单位

    College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, PR China;

    rnHenan Provincial Key Laboratory of Surface & Interface Science, Zhengzhou University of Light Industry, Zhengzhou 450002, PR China;

    rnCollege of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, PR China;

    rnCollege of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, PR China;

    rnCollege of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, Henan, PR China;

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

    semiconductors; porous materials; chemical synthesis; photocatalysis;

    机译：半导体;多孔材料化学合成光催化;

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