Abstract
An aligned zinc oxide nanofibre array has been fabricatedby heating the mixture of ZnO, Ga2O3, and graphitepowders in atmosphere. The ZnO nanofibre showed a uniform size of about150 nm in diameter and 50 µm in length. The nanofibres grewpredominantly along one direction. Both x-ray diffraction (XRD) andRaman shift spectra show that the product is composed of ZnO with thetypical hexagonal structure. The good crystallinity of these ZnOnanofibres has been verified by photoluminescence spectra with strongUV emission at 287 nm and weak green band emission observed at roomtemperature. The component of the product was analysed by XRD, Ramanshift spectrum, x-ray energy dispersion (EDX) and x-ray photoelectronicenergy spectroscopy (XPS). The growth process and the characteristicscan be interpreted by vapour-liquid-solid mechanism.
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