期刊
JOURNAL OF CRYSTAL GROWTH
卷 286, 期 1, 页码 83-90出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2005.05.083
关键词
crystal morphology; nanostructures; solvothermal crystal growth; cadmium compounds; nanomaterials; semiconducting II-VI materials
The size- and shape-controlled CdSe and CdTe nanocrystals, which exhibit obvious quantum confinement effect, have been synthesized by a solvothermal route. It is found that initial precursor concentrations are key factors in controlling the shape of the resulting nanocrystals. Moreover, the obtained nanocrystals are all of zinc blende structure, regardless of their sizes and shapes. A possible mechanism for the formation and growth of the nanocrystals is put forward. It is inferred that the adhesion and subsequent recrystallization of nanocrystals with an assistance of remaining monomers should be a major reason for formation and growth of the elongated nanocrystals. (c) 2005 Elsevier B.V. All rights reserved.
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