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首页> 外文期刊>Solid State Communications >Synthesis, structure, and photoluminescence of Zn2SnO4 single-crystal nanobelts and nanorings
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Synthesis, structure, and photoluminescence of Zn2SnO4 single-crystal nanobelts and nanorings

机译：Zn2SnO4单晶纳米带和纳米环的合成，结构和光致发光

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A large quantity of single-crystal Zn2SnO4 (ZTO) nanobelts is synthesized by using a thermal evaporation method. The lengths of the nanobelts are up to several hundreds of micrometers, and the average width and thickness are about 400 and 30 tun, respectively. Some ring-like nanobelts, called nanorings here, are also observed. The nanobelts are characterized in detail with scanning electron microscope, X-ray powder diffraction, transmission electron microscope, high-resolution transmission electron microscope and selected area electron diffraction. Possible growth mechanisms for the ZTO nanobelts and nanorings are proposed. In addition, the photoluminescence spectrum (PL) of the nanobelts at room temperature shows a stable broad blue-green emission around the 400-600 nm wavelengths with a maximum center at 490 nm. The strong PL emission of the nanobelts may find potential applications in nano-scale optoelectronic devices. (C) 2004 Elsevier Ltd. All rights reserved.
机译：通过热蒸发法合成了大量的单晶Zn2SnO4（ZTO）纳米带。纳米带的长度可达数百微米，平均宽度和厚度分别约为400和30 tun。还观察到一些环状纳米带，在此称为纳米环。通过扫描电子显微镜，X射线粉末衍射，透射电子显微镜，高分辨率透射电子显微镜和选择区域电子衍射来详细表征纳米带。提出了ZTO纳米带和纳米环的可能生长机理。此外，纳米带在室温下的光致发光光谱（PL）在400-600 nm波长附近显示稳定的宽蓝绿色发射，最大中心在490 nm。纳米带的强PL发射可能会在纳米级光电器件中找到潜在的应用。 （C）2004 Elsevier Ltd.保留所有权利。

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