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首页> 外文期刊>Applied Surface Science >Largely improved photocatalytic properties of Ag/tetrapod-like ZnO nanocompounds prepared with different PEG contents
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Largely improved photocatalytic properties of Ag/tetrapod-like ZnO nanocompounds prepared with different PEG contents

机译：不同PEG含量制备的Ag /四足状ZnO纳米化合物的光催化性能大大提高

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摘要

Ag/tetrapod-like ZnO whisker (T-ZnOw) nanocompounds were successfully synthesized using photode-position method. Remarkable improvements in photocatalytic property for all the nanocompounds are observed, while the extents of the improvements increase with increasing polyethylene glycol (PEG) contents. Various tests were carried out to determine the mechanism for the greatly improved photocatalytic property. And it is found that PEG can reduce Ag~+ into Ag under UV irradiation, which can be subsequently deposited on the surface of T-ZnOw as nanoparticles. The conclusion that the heterostructure of Ag/T-ZnOw nanocompound contributes to its greatly enhanced photocatalytic property is proposed and later validated by carefully discussing the photocatalytic mechanism.
机译：利用光沉积法成功地合成了Ag /四足状的ZnO晶须（T-ZnOw）纳米化合物。观察到所有纳米化合物的光催化性能都有显着改善，而改善的程度则随着聚乙二醇（PEG）含量的增加而增加。进行了各种测试，以确定大大提高光催化性能的机理。并且发现PEG可以在紫外光照射下将Ag〜+还原成Ag，随后可以纳米颗粒的形式沉积在T-ZnOw的表面。提出了Ag / T-ZnOw纳米化合物的异质结构有助于其大大增强的光催化性能的结论，随后通过仔细讨论光催化机理进行了验证。

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  • 来源
    《Applied Surface Science》 |2011年第17期|p.7763-7770|共8页
  • 作者

    J. Wang; X.M. Fan; K. Tian; Z.W. Zhou; Y. Wang;

  • 作者单位

    Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University,Erhuan Road, Chengdu 61003), China;

    Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University,Erhuan Road, Chengdu 61003), China;

    Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University,Erhuan Road, Chengdu 61003), China;

    Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University,Erhuan Road, Chengdu 61003), China;

    Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University,Erhuan Road, Chengdu 61003), China;

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

    photocatalytic property; ag/t-zno_w nanocompound; photodeposition;

    机译：光催化性能;ag / t-zno_w纳米化合物;光沉积;

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