4.6 Article

Selective synthesis of pure cobalt disulfide on reduced graphene oxide sheets and its high electrocatalytic activity for hydrogen evolution reaction

Journal

NANO CONVERGENCE
Volume 3, Issue -, Pages -

Publisher

SPRINGER
DOI: 10.1186/s40580-016-0066-x

Keywords

Transition metal dichalcogenides; Cobalt disulfide; Hybrid; Electrocatalyst; Hydrogen evolution reaction

Funding

  1. NRF [NRF-2014R1A2A2A01007136]
  2. Center for Advanced Soft Electronics under the Global Frontier Research Program through the National Research Foundation - Ministry of Science, ICT and Future Planning, Korea [2011-0031630]
  3. Korea Evaluation Institute of Industrial Technology by the Ministry of Trade, Industry and Energy, Korea [10050509]

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We synthesized single-phase CoS2 on a large scale by adding graphene oxide of sufficient quantity via the hydrothermal method using cobalt acetate and thioacetamide as precursors; this produced the hybrid of CoS2 with reduced graphene oxide which exhibited high electrocatalytic activity in the hydrogen evolution reaction.

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