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首页> 外文期刊>Journal of nano research >Growth of ZnO Nanowires Using Au/Pd Nanoparticles as Catalyst
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Growth of ZnO Nanowires Using Au/Pd Nanoparticles as Catalyst

机译:以Au / Pd纳米粒子为催化剂的ZnO纳米线的生长

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摘要

Zinc Oxide nanowires (ZnO-NWs) were grown by vapor-liquid-solid (VLS) through chemical vapor deposition (CVD) with Au/Pd nanoparticles (Au/Pd-NPs) as catalyst. (Au/Pd)-NPs of 5 nm were synthesized by inert gas condensation technique (IGC), deposited on silicon substrates and characterized by atomic force microscopy (AFM). The substrate with the catalytic seeds was introduced in the reaction system where the ZnO-NWs were grown under different conditions such as: system pressure, position of the substrates with respect to the precursor material source, growth time and temperature. The nanostructures obtained were characterized by scanning electron microscopy (SEM), energy dispersed x-ray spectroscopy (EDX), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The growth parameters and the effect of catalyst nanoparticles coalescence on the ZnO-NWs dimensions is also discussed in this work.
机译:以Au / Pd纳米颗粒(Au / Pd-NPs)为催化剂,通过化学汽相沉积(CVD)通过气液固(VLS)生长氧化锌纳米线(ZnO-NWs)。通过惰性气体缩合技术(IGC)合成了5 nm的(Au / Pd)-NPs,沉积在硅基板上并通过原子力显微镜(AFM)表征。将具有催化种子的基质引入反应系统,在该系统中,ZnO-NW在不同的条件下生长,例如系统压力,基质相对于前体材料来源的位置,生长时间和温度。通过扫描电子显微镜(SEM),能量分散X射线光谱(EDX),X射线衍射(XRD)和透射电子显微镜(TEM)表征获得的纳米结构。这项工作中还讨论了生长参数和催化剂纳米颗粒聚结对ZnO-NWs尺寸的影响。

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