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  • Title: Preparation of high purity ZnO nanobelts by thermal evaporation of ZnS.
    Author: Chen ZG, Li F, Liu G, Tang Y, Cong H, Lu GQ, Cheng HM.
    Journal: J Nanosci Nanotechnol; 2006 Mar; 6(3):704-7. PubMed ID: 16573124.
    Abstract:
    High purity one-dimensional ZnO nanobelts were synthesized by thermally evaporating commercial ZnS powders in a hydrogen-oxygen mixture gas at 1050 degrees C. It was found that these ZnO nanobelts had a single crystal hexagonal wurtzite structure growing along the [0001] direction. They had a rectangle-shaped cross-section with typical widths of 20 to 100 nanometers and lengths of up to hundreds of micrometers with lattice constants of a = 0.325 nm and c = 0.520 nm. The self-catalytic hydrogen-oxygen assisted growth of ZnO nanobelt is discussed. The photoluminescence (PL) characterization of the ZnO nanobelts shows strong near-band UV emission (about 383 nm) and one broad peak at 501 nm, which indicates that the ZnO nanobelts have good potential application in optoelectronic devices.
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