期刊
APPLIED PHYSICS LETTERS
卷 82, 期 9, 页码 1401-1403出版社
AMER INST PHYSICS
DOI: 10.1063/1.1558899
关键词
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The growth of single-crystal tubular ZnO whiskers was achieved via a process of first reduction and following oxidation of ZnS powders. The products were characterized using x-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, and photoluminescence spectroscopy. The whiskers are tubular single crystals with the [001] growth crystallographic direction, and most have outer diameters of similar to400 nm, lengths of up to 15 mum, and wall thickness range of 100-150 nm. Room-temperature photoluminescence spectrum of the whiskers reveals a strong and sharp UV emission band at 381 nm and a weak and broad green emission band at 583 nm. Possible growth mechanism of the ZnO whiskers was briefly discussed. (C) 2003 American Institute of Physics.
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