Abstract
In this article, we report on the structural and optical properties of ZnO nanorods grown at a relatively low temperature on glass substrates with and without a ZnO buffer by metallorganic chemical vapor deposition for transparent optoelectronic application. The thickness of the buffer layer strongly influences the aspect ratio and alignment of the ZnO nanorods. The nanorod growth rate becomes fast when the optimized stress-free buffer thickness is used. Photoluminescence measurements show strong bandedge excitonic features. The visible and UV resonant Raman scattering measurements suggest that the structural and optical properties of the nanorods on amorphous substrates are improved.
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