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Investigating the role of MoS2/reduced graphene oxide as cocatalyst on Cu2O activity in catalytic and photocatalytic reactions

Akbarzadeh, E ; Sharif University of Technology | 2017

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  1. Type of Document: Article
  2. DOI: 10.1039/c7nj00528h
  3. Publisher: Royal Society of Chemistry , 2017
  4. Abstract:
  5. In this study, MoS2/reduced graphene oxide (rGO) was used as a cocatalyst to synthesize very highly efficient Cu2O/MoS2/rGO for cooperative catalytic applications. The resulting nanocomposite was characterized by various analytical techniques and applied for catalytic reduction of 4-nitrophenol (4-NP) to 4-aminophenol and photocatalytic degradation of Acid blue 92. Cu2O/MoS2/rGO composite presents superior performance to pure Cu2O particles in both catalytic and photocatalytic reactions. This excellent activity demonstrates synergistic effect of MoS2/rGO as a cocatalyst in the nanocomposite. The role of the active sites in the reduction of 4-NP and degradation of dye was discussed and kinetics and mechanism of reactions were investigated. © 2017 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique
  6. Keywords:
  7. 4 aminophenol ; 4 nitrophenol ; Copper oxide ; Graphene oxide ; Molybdenum ; Absorption spectroscopy ; Analytic method ; Apparent association rate constant ; Aqueous solution ; Article ; Catalyst ; Catalytic efficiency ; Field emission scanning electron microscopy ; Infrared spectroscopy ; Kinetics ; Photocatalysis ; Photodegradation ; priority journal ; Synthesis ; Thermogravimetry
  8. Source: New Journal of Chemistry ; Volume 41, Issue 16 , 2017 , Pages 7998-8005 ; 11440546 (ISSN)
  9. URL: https://pubs.rsc.org/en/content/articlelanding/2017/nj/c7nj00528h#!divAbstract