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Synthesis and optical properties of ZnO nanorods on indium tin oxide substrate

机译：铟锡氧化物基底上ZnO纳米棒的合成及光学性质

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摘要

ZnO nanorods with uniform diameter and length have been synthesized on an indium-tin oxide (ITO) substrate by using a simple thermal evaporation method which is suitable to larger scale production and without any catalyst or additives. The samples were characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), ultraviolet-vis (UV-vis) absorption spectrum, photoluminescence (PL) spectrum and Raman spectrum. The single-phase ZnO nanorods grow well-oriented along the c-axis of its wurtzite structure on ITO substrate. The ZnO nanorods shows sharp and strong UV emission located at 380 nm without notable visible light emission in the PL spectrum, which suggests the good crystallinity of the nanorods, which was also testified by their Raman spectrum. The photodegradation of methylene orange (MO) in aqueous solution reveals that the well-arranged c-axis growth of ZnO nanorods possess evidently improved photocatalytic performance and these properties enable the ZnO nanorods potential application in UV laser.
机译：通过使用简单的热蒸发方法在铟锡氧化物（ITO）基板上合成了直径和长度均一的ZnO纳米棒，该方法适用于大规模生产，并且没有任何催化剂或添加剂。样品通过X射线衍射（XRD），扫描电子显微镜（SEM），紫外可见（UV-vis）吸收光谱，光致发光（PL）光谱和拉曼光谱进行表征。单相ZnO纳米棒在ITO衬底上沿纤锌矿结构的c轴生长方向良好。 ZnO纳米棒在380 nm处显示出强烈而强烈的UV发射，而PL光谱中没有明显的可见光发射，这表明纳米棒具有良好的结晶度，这也由其拉曼光谱证明。亚甲基橙（MO）在水溶液中的光降解表明，排列整齐的ZnO纳米棒的c轴生长具有明显改善的光催化性能，这些特性使ZnO纳米棒在紫外激光中具有潜在的应用前景。

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  • 来源
    《Applied Surface Science》 |2011年第1期|p.93-97|共5页
  • 作者

    J.H. Zheng; Q Jiang; J.S. Lian;

  • 作者单位

    Key Lab of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China;

    Key Lab of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China;

    Key Lab of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    ZnO nanorods; photocatalytic activity; optical properties; thermal evaporation method;

    机译：ZnO纳米棒;光催化活性光学性质热蒸发法;

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