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2007 , Vol. 22 >Issue 3: 395 - 399

DOI: https://doi.org/10.3724/SP.J.1077.2007.00395

研究论文

阳极氧化制备二氧化锡纳米孔

  • 韩卫清 ,
  • 周刚 ,
  • 王连军 ,
  • 孙秀云 ,
  • 李健生
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  • 南京理工大学化工学院, 南京 210094

收稿日期: 2006-06-07

  修回日期: 2006-09-07

  网络出版日期: 2007-05-20

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Fabrication of Tin Dioxide Nanotubes by Anodic Oxidation

  • HAN Wei-Qing ,
  • ZHOU Gang ,
  • WANG Lian-Jun ,
  • SUN Xiu-Yun ,
  • LI Jian-Sheng
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  • School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Received date: 2006-06-07

  Revised date: 2006-09-07

  Online published: 2007-05-20

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摘要

单质锡箔片在草酸溶液中利用电化学阳极氧化合成出前聚体, 并将前聚体通过加热氧化制备出具有纳米级孔道的二氧化锡材料. 电化学氧化制备的氧化亚锡纳米孔径和分布随外加电压、电解质溶液浓度和氧化时间而变化. 经场发射扫描电镜(FE-SEM)、X射线衍射(XRD)和孔径分析仪(Poresizer)分析显示, 阳极氧化的前聚体是氧化亚锡, 通过在空气中加热转化为二氧化锡, 在详细研究制备条件和氧化锡孔道形貌的基础上, 提出了氧化锡纳米孔的生成机理符合氧化溶解理论模型.

关键词： 阳极氧化; 二氧化锡; 纳米孔

本文引用格式

韩卫清 , 周刚 , 王连军 , 孙秀云 , 李健生 . 阳极氧化制备二氧化锡纳米孔[J]. 无机材料学报, 2007 , 22(3) : 395 -399 . DOI: 10.3724/SP.J.1077.2007.00395

Abstract

The formation of tin dioxide nanotubes on tin substrates anodizing in oxalic acid electrolytes and annealing in the air was investigated. Under optimized electrolyte, oxidation and anneal conditions, nanotubes of tin dioxide were fabricated. Topologies of the anodized tin change remarkably along with applied voltages, electrolyte concentration and oxidation time. Field emission scanning electron microscope (FE-SEM), X-ray diffraction (XRD) and poresizer indicate the nanotubes are formed due to the competition of tin monoxide formation and dissolution under the assistance of electric field. The formation mechanism of nanotubes agrees with the theoretic model of oxidation-dissolution.

Key words： anodization; tin dioxide; nanotube

参考文献

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