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One-step facile hydrothermal synthesis of rGO-CoS2 nanocomposites for high performance HER electrocatalysts
- Authors
- Sankar Sekar; S. Brindha Devi; S. Maruthasalamoorthy; T. Maiyalagan; Kim, Deuk Young; Lee, Sejoon; R. Navamathavan
- Issue Date
- Dec-2022
- Publisher
- Elsevier
- Keywords
- 2D nanostructures; Cobalt disulfide; Electrocatalyst; Hydrogen evolution reaction; rGO
- Citation
- International Journal of Hydrogen Energy, v.47, no.95, pp 40359 - 40367
- Pages
- 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- International Journal of Hydrogen Energy
- Volume
- 47
- Number
- 95
- Start Page
- 40359
- End Page
- 40367
- ISSN
- 0360-3199
1879-3487
- Abstract
- With increasing demand for green and clean energy, the research community moves toward electrocatalytic hydrogen production. Herein, we synthesized the reduced graphene oxide decorated-cobalt disulfide (rGO-CoS2) nanocomposites via the one-step facile hydrothermal method and investigated their excellent hydrogen evolution reaction (HER) activities. The rGO-CoS2 nanocomposites showed an aggregated structure of spherical CoS2 nanoparticles interconnected along with GO nanosheets. The rGO-CoS2 nanocomposites exhibited a low overpotential of 377 mV and a small Tafel slope of 121 mV/dec. This work delivers a prospective scheme for developing the high efficient rGO-CoS2 electrocatalysts for future green energy technology in hydrogen production. © 2022 Hydrogen Energy Publications LLC
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Related Researcher
- Sekar, Sankar
- College of Advanced Convergence Engineering