Structural and optical characterization of hydroxy-propyl methyl cellulose-capped ZnO nanorods
2013
Zinc oxide nanostructures have been synthesized using an eco-friendly bottom-up synthesis technique. Effect of hydroxy-propyl methyl cellulose-capping concentration is observed for the effectiveness in limiting the particle growth. It is observed that the structural and optical characteristics have strong dependence on capping concentration. Detailed structural characterizations confirmed that the as-prepared products possess a wurtzite hexagonal phase and the preferred direction of growth is along the c-direction. UV–Visible absorption investigation reveal variation in optical band gap. Room temperature energy resolved photoluminescence spectra of the obtained nanostructures show band edge emission as well as blue-green emission.
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