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首页> 外文期刊>Materials Science and Engineering. B, Solid-State Materials for Advanced Technology >Fabrication of nanocrystalline cobalt oxide via sol-gel coating
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Fabrication of nanocrystalline cobalt oxide via sol-gel coating

机译：溶胶-凝胶法制备纳米氧化钴

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Nanocrystalline cobalt oxide thin films were fabricated by sol-gel processing method. The effect of cobalt salt amount in sol-gel mixture on film properties was investigated by means of Raman spectroscopy and atomic force microscopy. Micropatterns of these sol-gel mixtures were fabricated by spin coating followed by a lift-off method. It is generally known that sol-gel processed films are difficult to etch or remove by chemical and plasma techniques. In this novel process, cobalt oxide microstructures could be fabricated by transformation of pre-fabricated nanocrystalline cobalt oxide particles in a sol-gel process. Also, the growth of carbon nanotubes on fabricated cobalt oxide films was investigated. It was found that different size multiwall carbon nanotubes could be grown on the cobalt oxide films depending on the concentration of cobalt salt in sol-gel mixtures.
机译：采用溶胶凝胶法制备了纳米晶氧化钴薄膜。通过拉曼光谱和原子力显微镜研究了溶胶-凝胶混合物中钴盐量对薄膜性能的影响。这些溶胶-凝胶混合物的微图案是通过旋涂，然后采用剥离法制造的。众所周知，通过化学和等离子体技术难以对溶胶-凝胶处理的膜进行蚀刻或去除。在这种新颖的方法中，可以通过在溶胶-凝胶法中转化预制的纳米晶氧化钴颗粒来制造氧化钴微结构。此外，研究了在制备的氧化钴膜上碳纳米管的生长。已经发现，取决于溶胶-凝胶混合物中钴盐的浓度，可以在氧化钴膜上生长不同尺寸的多壁碳纳米管。

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