Electrodeposition of amorphous molybdenum sulfide thin film for electrochemical hydrogen evolution reaction.

ABSTRACT: Amorphous molybdenum sulfide (MoS_x) is a highly active noble-metal-free electrocatalysts for the hydrogen evolution reaction (HER). The MoS_x was prepared by electrochemical deposition at room temperature. Low-cost precursors of Mo and S were adopted to synthesize thiomolybdates solution as the electrolyte. It replaces the expensive (NH)₂MoS₄ and avoid the poison gas (H₂S) to generate or employ. The (MoO₂S₂)^2-, (MoOS₃)^2- and (MoS₄)^2- ions were determined by UV-VIS spectroscopy. The electrodeposition of MoS_x was confirmed with XRD, XPS and SEM. The electrocatalyst activity was measured by polarization curve. The electrolyte contained (MoO₂S

SUBMITTER: Zhang L 

PROVIDER: S-EPMC6661953 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature