Journal
MATERIALS LETTERS
Volume 65, Issue 15-16, Pages 2522-2525Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2011.05.046
Keywords
Semiconductors; Cryatal growth; Triangular nanowires; Cadmium Sulfide; Manganese
Funding
- NSFC [51002009, 90606001, 20873039]
- China Postdoctoral Science Foundation [20100470211]
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Triangular Mn-doped CdS nanowires (NWs) were prepared by thermal evaporation of a mixture of CdS and MnCl2. The morphologies and detailed structures were characterized by a scanning electron microscope, X-ray diffraction, and transmission electron microscope. The Mn concentration plays an important role in synthesis of the triangular NWs. The morphologies can be varied from hexagonal to triangular by adjusting the amount of MnCl2 in the reaction mixture. The oriented attachment mechanism is demonstrated to be the most suitable mechanism to explain the growth process of the triangular NWs. The photoluminescence shows the intensity of Mn2+ emission peak increases as the molar ratio of MnCl(2)increases. (C) 2011 Elsevier B.V. All rights reserved.
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