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Electrocatalytic hydrogen evolution using the MS2@MoS2/rGO (M = Fe or Ni) hybrid catalyst
Yaxiao Guo1, Changshuai Shang1, Xiaoyan Zhang1
1State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China. ekwang@ciac.ac.cn and University of Chinese Academy of Sciences, Beijing, 100049, China.
Abstract:
We established a three-tiered cake-like hybrid (MS2@MoS2/rGO, M = Fe or Ni) with the MS2 nanoparticles distributed over the platform of MoS2 and graphene (MoS2/rGO), which exhibits superior HER electrocatalytic activity as well as excellent electrochemical durability. The enhanced electrocatalytic activity benefits from the unique synergistic effects of graphene sheets enhancing the conductivity of the hybrid, MS2 (M = Fe or Ni) nanoparticles and MoS2 nanosheets providing abundant electrocatalytically active sites. Meanwhile, the mechanical stability is promoted by the meticulously-built cake-like structure.
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