Edge-exposed MoS2 nano-assembled structures as efficient electrocatalysts for hydrogen evolution reaction
Dong Young Chung1, Seung-Keun Park, Young-Hoon Chung
1Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 151-742, Republic of Korea.
Abstract:
Edge-exposed MoS2 nano-assembled structures are designed for high hydrogen evolution reaction activity and long term stability. The number of sulfur edge sites of nano-assembled spheres and sheets is confirmed by Raman spectroscopy and EXAFS analysis. By controlling the MoS2 morphology with the formation of nano-assembled spheres with the assembly of small-size fragments of MoS2, the resulting assembled spheres have high electrocatalytic HER activity and high thermodynamic stability.
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