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首页> 外文期刊>International Journal of Microstructure and Materials Properties >ZnO nanostructures on different silicon-based substrate via simple sol-gel immersion method
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ZnO nanostructures on different silicon-based substrate via simple sol-gel immersion method

机译：通过简单的溶胶-凝胶浸渍法在不同硅基衬底上的ZnO纳米结构

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In this work, ZnO nanostructures using zinc nitrate as starting material grown on different silicon-based substrate were studied. Porous silicon was prepared by electrochemical etching to modify the silicon surface. Field emission scanning electron microscopy (FESEM) displays different distribution and nanostructures of ZnO on different substrate. The seeded substrates show the better site for the growth of ZnO nanostructure due to presence of nucleation site. Crystalline of ZnO nanostructure were investigated by X-ray diffraction (XRD) grating. It is found that the hexagonal wurtzite of ZnO nanostructures were produced for all samples. The peaks (100), (002) and (101) are dominating for all samples prove that hexagonal structures of ZnO were formed. Photoluminescence spectra were employed in order to study the optical properties. The peak centred at 395-398 nm corresponds to free-exciton recombination ZnO nanostructures are found in silicon and porous silicon, respectively.
机译：在这项工作中，研究了以硝酸锌为原料在不同的硅基衬底上生长的ZnO纳米结构。通过电化学蚀刻来制备多孔硅以修饰硅表面。场发射扫描电子显微镜（FESEM）在不同的衬底上显示了ZnO的不同分布和纳米结构。由于存在成核位点，被接种的衬底显示出更好的ZnO纳米结构生长位点。 ZnO纳米结构的晶体通过X射线衍射（XRD）光栅进行了研究。发现对于所有样品都产生了ZnO纳米结构的六方纤锌矿。所有样品的峰（100），（002）和（101）均占优势，证明形成了ZnO的六方结构。为了研究光学性质，采用了光致发光光谱。中心在395-398 nm处的峰对应于自由激子​​复合ZnO纳米结构分别在硅和多孔硅中发现。

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