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A Simple Ball Milling and Thermal Oxidation Method for Synthesis of ZnO Nanowires Decorated with Cubic ZnO

机译:用立方ZnO装饰ZnO纳米线的简单球磨和热氧化方法

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摘要

In this work, we propose the synthesis of ZnO nanostructures through the thermal oxidation of ball-milled powders with the introduction of Mg and Sn doping species at the preliminary step of milling. We investigate the advantages and challenges of this two steps process for the production and fabrication of highly crystalline ZnO nanowires. This simple method allows us to fabricate ZnO nanowires with a higher quality core crystal at a much lower temperature and for a shorter processing time than the state-of-the-art, and decorated with by ZnO2 nanoparticles as determined via TEM analysis. The main findings will show that the crystalline core of the nanowires is of hexagonal ZnO while the nanoparticles on the surface are ZnO2 cubic type. Generally, the method proves to be suitable for applications that require a high surface-to-volume ratio, for example, catalysis phenomena, in which the presence of zinc oxides species can play an important role.
机译:在这项工作中,我们通过在铣削初步步骤中引入Mg和Sn掺杂物种来提出通过滚珠研磨粉末的热氧化来合成ZnO纳米结构。我们研究了这两个步骤工艺的优点和挑战,用于生产和制造高度结晶的ZnO纳米线。这种简单的方法使我们能够在更低的温度下具有更高质量的核心晶体的ZnO纳米线,而不是最先进的处理时间,并且通过TEM分析确定的ZnO2纳米颗粒用ZnO2纳米颗粒装饰。主要发现将显示纳米线的结晶芯是六方ZnO,而表面上的纳米颗粒是ZnO2立方米。通常,该方法证明适用于需要高度体积比的应用,例如催化现象,其中氧化锌物质的存在可以起到重要作用。

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