Journal
MATERIALS LETTERS
Volume 62, Issue 21-22, Pages 3663-3665Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2008.04.021
Keywords
nanowire arrays; hydrothermal; crystalline-redissolve-recrystalline
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Bi2S3 nanowire arrays were synthesized via a facile hydrothermal method. X-ray diffraction, field emission scanning electron microscopy and transmission electron microscope were used to characterize the nanowire arrays. The nanowires are single crystalline with diameters in the range of 30 to 40 nm. The factors that affect the morphologies of the Bi2S3 nanowire arrays were studied, and it was found that the reaction time plays a key role in the morphology evolution of the nanowire arrays and thiourea is the optimum sulfur source for the growth of Bi2S3 nanowires. Crystalline redissolve recrystalline growth mechanism is proposed for the formation of nanowire arrays. (c) 2008 Elsevier B.V. All rights reserved.
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