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Application of ultrasonic wave to clean the surface of the TiO_2 nanotubes prepared by the electrochemical anodization

机译：超声波清洗电化学阳极氧化法制备的TiO_2纳米管表面

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摘要

In this study, the TiO_2 nanotubes were fabricated by electrochemical anodization in a NH_4F/Na_2SO_4/PEG400/H_2O electrolyte system. Ultrasonic wave (80W. 40 kHz) was used to clean the surface of TiO_2 nanotube arrays in the medium of water after the completion of the anodization. Surface morphology (FESEM) and X-ray diffraction spectrum of the nanotubes treated by sonication at 0min, 9min, 40min and 60min were compared. The experimental results showed that the precipitate on the surface of the nanotube arrays could be removed by the ultrasonic wave. The treating time had an influence on the precipitate removal and 9min (corresponding to 12 Wh) is the suitable time for surface cleaning of the TiO_2 nanotubes on this experimental condition.
机译：在这项研究中，通过在NH_4F / Na_2SO_4 / PEG400 / H_2O电解质体系中进行电化学阳极氧化来制备TiO_2纳米管。阳极氧化完成后，使用超声波（80W。40 kHz）清洁水介质中的TiO_2纳米管阵列表面。比较了在0min，9min，40min和60min超声处理后的纳米管的表面形态（FESEM）和X射线衍射谱。实验结果表明，超声波可以去除纳米管阵列表面的沉淀。处理时间对沉淀物的去除有影响，在此实验条件下，9min（相当于12 Wh）是进行TiO_2纳米管表面清洁的合适时间。

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  • 来源
    《Applied Surface Science》 |2011年第20期|p.8478-8480|共3页
  • 作者

    Hao Xu; Qian Zhang; Chunli Zheng; Wei Yan; Wei Chu;

  • 作者单位

    Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China,Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Horn, Kowloon, Hong Kong;

    Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China;

    Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China;

    Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China;

    Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Horn, Kowloon, Hong Kong;

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

    TiO_2 nanotubes; electrochemical anodization; ultrasonic wave; surfaces; microstructure;

    机译：TiO_2纳米管;电化学阳极氧化超声波;表面;微观结构;

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