Nano Archive

Preparation of high purity ZnO nanobelts by thermal evaporation of ZnS

Chen, Z. G. and Li, F and Liu, G and Tang, Y. B. and Cong, H. T. and Lu, G. Q. and Cheng, H. M. (2006) Preparation of high purity ZnO nanobelts by thermal evaporation of ZnS. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 6 (3). pp. 704-707.

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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.

Item Type:Article
Uncontrolled Keywords:ZnO; high purity nanobelts; low temperature vapor oxidation; photoluminescence
Subjects:Physical Science > Nanophysics
Material Science > Nanofabrication processes and tools
Physical Science > Nanoelectronics
Material Science > Nanostructured materials
Physical Science > Photonics
ID Code:3763
Deposited By:SPI
Deposited On:26 Jan 2009 10:30
Last Modified:19 Feb 2009 09:59

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