Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 111, Issue 2-3, Pages 391-395Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2008.04.035
Keywords
tin bisulfide; controlled synthesis; nanocrystals; characterization
Categories
Funding
- National Nature Science Fund of China
- 973 Project of China [2005CB623601]
- Bureau of Science and Technology of Wenzhou, China [G20070092]
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A sort of novel leaf-shaped SnS2 nanocrystals have been synthesized by controlled reaction of CH3CH2OCS2K with SnCl4 center dot 5H(2)O in aqueous solution in the absence of surfactant. The leaf-shaped nanocrystals consist of very thin sheets with several microns in length and 100-300 nm in width. The structure, composition, and morphology of the as-prepared leaf-shaped SnS2 nanocrystals were characterized by XRD, Raman spectra, XPS, and FE-SEM, respectively. Elemental analysis, FT-IR spectra, and TEM were further used to study the formation mechanism of the leaf-shaped SnS2 nanocrystals. A possible mechanism of producing lamellae - breaking into namosheets - rolling and assembling was suggested for the leaf-shaped SnS2 nanocrystals formation based on experimental results. All rights reserved (C) 2008 Elsevier B.V. All rights reserved.
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