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Title: One step solution synthesis towards ultra-thin and uniform single-crystalline ZnO nanowires
Authors: Ho, G.W. 
Wong, A.S.W.
Issue Date: Mar-2007
Citation: Ho, G.W., Wong, A.S.W. (2007-03). One step solution synthesis towards ultra-thin and uniform single-crystalline ZnO nanowires. Applied Physics A: Materials Science and Processing 86 (4) : 457-462. ScholarBank@NUS Repository.
Abstract: Bundles of high-aspect-ratio single-crystalline ZnO nanowires were fabricated by a single-step mild hydrothermal condition without the use of a seeding layer, thus eliminating an annealing step. The growth yields nanowires of high aspect ratio (>200). No significant lateral growth takes place with prolonged reaction time. The morphology and aspect ratio of the final products depend on the concentration of the precursors; a highly water-soluble tetradentate cyclic tertiary amine and zinc nitrate system. The nanowires grow along the [0001] direction and have an average width of <10 nm and a narrow distribution of ±5 nm. Photoluminescence measurements of the ultra-thin nanowires exhibit a strong band-edge emission at room temperature. The highly crystalline sub tens of nanometer scale diameter nanowires can, in combination, be a good one-dimensional candidate to study optical and electronic properties. © Springer-Verlag 2007.
Source Title: Applied Physics A: Materials Science and Processing
ISSN: 09478396
DOI: 10.1007/s00339-006-3798-3
Appears in Collections:Staff Publications

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