Diverse cobalt sulfide compounds with different stoichiometric compositions, such as CoS2, CoS, Co9S8 and Co1-xS, have attracted great attention due to their excellent physical, chemical, electronic and optical properties and their wide potential applications in catalysts. However, the synthesis of pure phase of cobalt sulfide is quite difficult because of the complex stoichiometric compositions of cobalt chalcogenides. There are few synthetic methods of cobalt sulfides with pure phase. Therefore, it is worth exploring the synthetic method which has pure phase of cobalt sulfide. In this work, we report the synthesis of CoS2 with pure phase and CoS2/rGO (reduced Graphene oxide) hybrid which has not been reported and its electrocatalytic activity for HER.

Synthesis of cobalt disulfide on reduced graphene oxide for hydrogen evolution reaction

248th National Meeting (2014)

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