Journal
MATERIALS LETTERS
Volume 148, Issue -, Pages 67-70Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.02.027
Keywords
Hydrothermal synthesis; MoS2; Microstructure; Crystal growth; Nanocrystalline materials
Funding
- National Natural Science Foundation of China [51275213, 51302112]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [14KJB460012]
- Natural Science Foundation of Jiangsu University of Technology [KYY14003]
- Innovation Training Programs for Undergraduates of Jiangsu Province [201411463002Z]
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Three-dimensional (3D) flower-like MoS2 microspheres with diameter of about 4 mu m were successfully synthesized by a facile hydrotherrnal solution reaction method, using hexaammonium heptamolybdate tetrahydrate ((NH4)(6)Mo7O24) and thiourea as the precursors. As-prepared MoS2 samples were characterized by XRD, EDS, SEM, and TEM. SEM results showed that the obtained 3D flower-like MoS2 microspheres are comprised of very thin nanosheets with the thickness about 20 nm. The influence of reaction time on the formation of MoS2 microspheres was investigated. A possible growth mechanism is proposed to explain the formation of MoS2 microspheres on the basis of observations of a time-dependent morphology evolution process. (C) 2015 Elsevier B.V. All rights reserved.
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