Journal
APPLIED SURFACE SCIENCE
Volume 307, Issue -, Pages 319-326Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2014.04.034
Keywords
MoS2; Solvothermal synthesis; Nanotubes; Nanospheres; Electrolyte; Ionic strength
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Funding
- AECID (Agencia Espanola de Cooperacion Internacional para el Desarrollo) [II.E-CV 2010-2011]
- [CTQ2011-29272-004-01]
- [CTQ2011-29272-004-03]
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Different MoS2 nanostructures have been obtained following an innovative one-step solvothermal method by changing the concentration and type of the electrolyte while avoiding the use of surfactant. It was found that the chemical nature of the studied electrolyte ((NH4)(2)CO3 or KG) do not significantly affect the morphology and structure of the obtained MoS2 nanomaterials. Nevertheless, increasing the electrolyte concentration yields to a remarkable modification of the morphology of the resulting MoS2 from nanospheres to worm-shaped then finally to nanotubes. All the obtained nanomaterials were characterized by X-ray diffraction, (XRD), transmission electron microscopy (TEM, HRTEM), Fourier transformation infra-red spectroscopy (FTIR), thermogravimetric analysis (TGA) and X-ray photoelectron spectroscopy (XPS). (C) 2014 Elsevier B.V. All rights reserved.
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