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A cost effective, low-temperature approach has been developed for the large-area deposition of ZnO nanorod/nanotube arrays on a ZnO coated glass substrate by the natural oxidation of zinc metal in formamide/water mixtures. The two-step seed deposition and wet-chemical approach exhibited well-controlled growth of highly oriented and densely packed ZnO nanorod/nanotube arrays with large-area homogeneity...
In this work, a template-wetting method is introduced for fabrication of TiO2 nanotubes. Nanoporous alumina was used as a template. Morphology and structure of the nanotubes were analyzed by FE-SEM, XRD, and TEM techniques. It is confirmed that the nanotubes had both rutile and anatase phases, which are suitable for charge separation and gas sensor applications.
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