Phosphorus Doped MoS2 Nanosheet Promoted with Nitrogen, Sulfur Dual Doped Reduced Graphene Oxide as an Effective Electrocatalyst for Hydrogen Evolution Reaction

Kuppuswamy Guruprasad, Thandavarayan Maiyalagan, Sangaraju Shanmugam

Research output: Contribution to journalArticlepeer-review

85 Scopus citations

Abstract

Highly efficient, cost-effective, and stable non-noble metal electrocatalysts are desirable for cathodic hydrogen evolution reaction (HER). Herein, crystal defects were created in MoS2 with the substitution of P dopants in order to catalyze HER effectively. Performance of MoS2 in electrocatalytic HER is poor in terms of high onset potential and overpotential due to poor intrinsic conductivity. The issue regarding conductivity and reducing onset potential as well as overpotential can be addressed by low electronegative element "P" substitution into the S sites of MoS2 and incorporating additionally dual heteroatom atom (nitrogen, sulfur) doped reduced graphene oxide (rGO).

Original languageEnglish
Pages (from-to)6184-6194
Number of pages11
JournalACS Applied Energy Materials
Volume2
Issue number9
DOIs
StatePublished - 23 Sep 2019

Bibliographical note

Publisher Copyright:
© 2019 American Chemical Society.

Keywords

  • alkaline and acidic medium
  • heteroatom (nitrogen, sulfur) doped rGO
  • hydrogen evolution reaction
  • phosphidation
  • phosphorus doped MoS nanosheet

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