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Functionalization of lamellar molybdenum disulphide nanocomposite with gold nanoparticles |
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| Authors: | V. Lavayen,C. O&rsquo Dwyer,N. Mirabal,G. Cá rdenas,C.M. Sotomayor Torres |
| Affiliation: | a Tyndall National Institute, University College Cork, Lee Maltings, Prospect Row, Cork, Ireland b Department of Chemistry, Faculty of Sciences, Universidad de Chile, P.O. Box 653, Santiago, Chile c Department of Chemistry, Universidad Tecnológica Metropolitana, P.O. Box 9845, Santiago, Chile d Department of Polymers, Faculty of Chemistry Science, Universidad de Concepción, P.O. Box 160-C, Concepción, Chile |
| Abstract: | This work explores the functionalization of an organic-inorganic MoS2 lamellar compound, prepared by a chemical liquid deposition method (CLD), that has an interlamellar distance of ∼5.2 nm, using clusters of gold nanoparticles. The gold nanoparticles have a mean diameter of 1.2 nm, a stability of ∼85 days, and a zeta potential measured to be ζ = −6.8 mV (solid). The nanoparticles are localized in the hydrophilic zones, defined by the presence of amine groups of the surfactant between the lamella of MoS2. SEM, TEM, EDAX and electron diffraction provide conclusive evidence of the interlamellar insertion of the gold nanoparticles in the MoS2. |
| Keywords: | 61.66.&minus f 68.35.&minus p 68.37.&minus d 72.80.&minus r 73.25.+i |
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