Facile MoS2 growth on reduced graphene-oxide via liquid phase method

Vasileios Tzitzios, Konstantinos Dimos, Saeed M. Alhassan, Rohan Mishra, Antonios Kouloumpis, Dimitrios Gournis, Nikolaos Boukos, Manuel A. Roldan, Juan Carlos Idrobo, Michael A. Karakassides, Georgia Basina, Yasser Alwahedi, Hae Jin Kim, Marios S. Katsiotis, Michael Fardis, Albina Borisevich, Stephen J. Pennycook, Sokrates T. Pantelides, George Papavassiliou

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6 Scopus citations

Abstract

Single and few-layers MoS2 were uniformly grown on the surface of chemically reduced graphene oxide (r-GO), via a facile liquid phase approach. The method is based on a simple functionalization of r-GO with oleyl amine which seems to affect significantly the MoS2 way of growth. Scanning-transmission-electron microscopy (STEM) analysis revealed the presence of single-layer MoS2 on the surface of a few-layers r-GO. This result was also confirmed by atomic-force microscopy (AFM) images. X-ray photoemission spectroscopy (XPS) and Raman spectroscopy were used for in-depth structural characterization. Furthermore, we have successfully applied the method to synthesize MoS2 nanocomposites with multi wall carbon nanotubes (CN) and carbon nanofibers (CNF). The results demonstrate clearly the selective MoS2 growth on both carbon-based supports.

Original languageEnglish
Article number29
JournalFrontiers in Materials
Volume5
DOIs
StatePublished - Jul 2 2018

Keywords

  • Chemical synthesis
  • Colloidal solutions
  • Hybrid
  • Layered materials
  • MoS
  • Reduced graphene oxide

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