Abstract

In this paper, we report a facile method for the synthesis of MoS2 nanosheet/ MoS2 nanowire homostructures by growing MoS2 nanosheets on the surface of MoS2 nanowires. Benefiting from the uniform coating of MoS2 nanosheets on the surface of MoS2 nanowires, the MoS2 nanosheet/ MoS2 nanowire homostructures highly expose their electrocatalytic active edge sites and exhibit an enhanced electrocatalytic performance. It demonstrates a low overpotential of 107 mV at 10 mA/cm2 and a small Tafel slope of 64 mV/dec in 0.5 M H2SO4. This work provides an inspiration for the design of efficient electrocatalysts with no stacking and aggregation structure.

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