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The effect of pre-pattern on the morphology and growth speed of TiO_2 nanotube

机译:预图案对TiO_2纳米管形貌和生长速度的影响

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摘要

In this work, we presented a new method which directly acts on the surface of the Ti sheet by mechanical micro-etching using a grating ruling engine. The effect of the pre-pattern on the morphology and growth speed of TiO_2 nanostructure formed on the Ti sheet with the traditional anodization method was investigated. A novel wall structure was observed and the growth speed of TiO_2 nanotube (NT) was greatly affected by the pre-pattern. The wall structure increases the surface-to-volume ratio of the nanotube arrays. The new method provided the possibility of further optimization of fast growth of TiO_2 nanostructure and improving the efficiency of dye-sensitized solar cell (DSSC) and photocatalysis.
机译:在这项工作中,我们提出了一种新方法,该方法可通过使用光栅尺引擎进行机械微蚀刻直接作用于Ti板的表面。研究了预图案对传统阳极氧化法在Ti片上形成的TiO_2纳米结构的形貌和生长速度的影响。观察到了新颖的壁结构,并且预图案对TiO_2纳米管(NT)的生长速度有很大的影响。壁结构增加了纳米管阵列的表面体积比。新方法为进一步优化TiO_2纳米结构的快速生长,提高染料敏化太阳能电池(DSSC)和光催化效率提供了可能性。

著录项

  • 来源
    《Applied Surface Science》 |2011年第1期|p.76-80|共5页
  • 作者单位

    The State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dongchuan Rd. Shanghai 200240, China;

    rnThe State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dongchuan Rd. Shanghai 200240, China;

    rnThe State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dongchuan Rd. Shanghai 200240, China;

    rnThe State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dongchuan Rd. Shanghai 200240, China;

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

    nanotube; TiO_2; pre-pattern; mechanical etching; morphology;

    机译:纳米管TiO_2;预模式机械蚀刻;形态学;

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