A simple wet chemical method has been successfully deployed to fabricate hexagonal zinc oxide nanorods. The structural characteristics were investigated through X-ray diffraction. The crystal unit cell of the nanorods was found to be hexagonal. The morphology of the nanostructures was studied using field emission scanning electron microscopy and transmission electron microscopy. The nanorods are hexagonal in shape. The Zn–O bond formation was confirmed through Fourier transformed infrared spectroscopic analysis. Raman shift measurements revealed various vibrational modes present in the ZnO crystal. The photoluminescence spectrum shows shallow deep level visible emission due to various defect states. Thus, our investigation will be very helpful in the development of ZnO based light emitting/optoelectronic device applications.
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Samanta et al. (2011) studied this question.
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