Low temperature growth and photoluminescence of well-aligned zinc oxide nanowires
作者： Seung Chul Lyu , Ye Zhang , Hyun Ruh , Hwack-Joo Lee , Hyun-Wook Shim
DOI: 10.1016/S0009-2614(02)01145-4
关键词:
摘要: Abstract Well-aligned single-crystalline zinc oxide (ZnO) nanowires with high density were successfully synthesized on nickel monoxide (NiO) catalyzed alumina substrate through a simple metal–vapor deposition method at an extremely low temperature (450 °C). The ZnO had hexagonal wurzite structure and diameters of about 55 nm, lengths up to 2.6 μm. photoluminescence spectra under excitation 325 nm showed ultra-violet (UV) emission 3.26 eV green 2.44 eV. UV bands attributed near band-edge transition radial combination singly ionized oxygen vacancy photo-induced hole, respectively.
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