Molybdenum disulfide is a promising catalyst to replace the expensive platinum as an electrocatalyst but needs to be modified to present excellent electrocatalytic properties. Herein, we successfully modify molybdenum disulfide in methanol solvent for hydrogen evolution reaction by using a simple hydrothermal method. Overpotential reduced to -0.6 V from -1.5 V, and energy band gap decreased from 1.73 eV to 1.58 eV after the modification. The modified molybdenum disulfide also demonstrated lower resistance (42 Ω) at high frequency (1000 kHz) compared with that (240 Ω) of the precursor, showing that conductivity of the modified molybdenum disulfide has improved.

二硫化钼是一种有前途的催化剂，可以代替昂贵的铂作为电催化剂，但需要进行改性以表现出出色的电催化性能。在本文中，我们使用简单的水热法成功地在甲醇溶剂中改性了二硫化钼以进行析氢反应。修改后，过电势从-1.5 V降低到-0.6 V，并且能带隙从1.73 eV降低到1.58 eV。与前体的电阻（240Ω）相比，改性的二硫化钼在高频（1000 kHz）下的电阻也较低（42Ω），表明改性的二硫化钼的电导率有所提高。