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  • Title: Facile Synthesis of 1T-Phase MoS2 Nanosheets on N-Doped Carbon Nanotubes towards Highly Efficient Hydrogen Evolution.
    Author: Wang K, Zhang J, Ye Y, Ma H, Liu B, Zhang P, Xu B.
    Journal: Nanomaterials (Basel); 2021 Dec 02; 11(12):. PubMed ID: 34947622.
    Abstract:
    1T-phase molybdenum disulfide is supposed to be one of the non-precious metal-based electrocatalysts for the hydrogen evolution reaction with the highest potential. Herein, 1T-MoS2 nanosheets were anchored on N-doped carbon nanotubes by a simple hydrothermal process with the assistance of urea promotion transition of the 1T phase. Based on the 1T-MoS2 nanosheets anchored on the N-doped carbon nanotubes structures, 1T-MoS2 nanosheets can be said to have highly exposed active sites from edges and the basal plane, and the dopant N in carbon nanotubes can promote electron transfer between N-doped carbon nanotubes and 1T-MoS2 nanosheets. With the synergistic effects of this structure, the excellent 1T-MoS2/ N-doped carbon nanotubes catalyst has a small overpotential of 150 mV at 10 mA cm-2, a relatively low Tafel slope of 63 mV dec-1, and superior stability. This work proposes a new strategy to design high-performance hydrogen evolution reaction catalysts.
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