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Decisive role of Au layer on the oriented growth of ZnO nanorod arrays via a simple aqueous solution method

机译:通过简单的水溶液法,金层对ZnO纳米棒阵列定向生长的决定性作用

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摘要

Vertically aligned arrays of ZnO nanorod were synthesized on the Au/SiO_2/Si(1 0 0) substrate by a simple aqueous solution growth process, without pre-prepared ZnO seed layer. For comparison, glass and SiO_2/Si were also used as substrates, and the results show that the Au layer plays a decisive role in orienting the growth of the ZnO nanorod. The effects of other growth parameters, including Zn_(2 +) concentration and growth time, on morphology, density, and orientation of the ZnO nanostructure were also studied and with longer reaction time, a new structure namely ZnO nanotip was obtained. Moreover, the growth mechanism of ZnO nanorod arrays grown on the Au/SiO_2/Si substrate was proposed.
机译:通过简单的水溶液生长过程,无需预先准备的ZnO种子层,就可以在Au / SiO_2 / Si(1 0 0)衬底上合成ZnO纳米棒的垂直排列阵列。为了进行比较,还使用玻璃和SiO_2 / Si作为衬底,结果表明Au层在定向ZnO纳米棒的生长中起决定性作用。还研究了Zn_(2 +)浓度和生长时间等其他生长参数对ZnO纳米结构的形貌,密度和取向的影响,并随着反应时间的延长,获得了一种新的结构,即ZnO纳米尖端。此外,提出了在Au / SiO_2 / Si衬底上生长的ZnO纳米棒阵列的生长机理。

著录项

  • 来源
    《Journal of Crystal Growth》 |2010年第24期|p.3619-3624|共6页
  • 作者

    Guan-nan He; Bo Huang; Hui Shen;

  • 作者单位

    School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, Guangdong 510275, China;

    Department of Electronic Engineering, Jinan University, Guangzhou, Guangdong 510632, China;

    School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, Guangdong 510275, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A1. Growth models; A1. Nanostructures; A2. Growth from solutions; B2. Semiconducting Ⅱ-Ⅳ materials;

    机译:A1。增长模型;A1。纳米结构;A2。解决方案的增长;B2。半导体Ⅱ-Ⅳ材料;

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