期刊
TECHNICAL PHYSICS LETTERS
卷 41, 期 3, 页码 231-234出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1063785015030050
关键词
-
资金
- Russian Science Foundation [14-22-00098]
Thin-filmed dichalcogenides of transition metals, in particular, MoSe2, are considered as potentially active materials in the hydrogen evolution reaction, which can compete with expensive platinum. It has been established that the laser deposition technique ensures the formation of nanocomposite films containing a high density of Mo nanoparticles in the MoSe (x) shell. Deposition of Mo nanoparticles increase roughness and induce activation of a surface. This manifests itself in formation of edge sites in the MoSe (x) shell and on edges of the basis planes in MoSe (x) nanocrystals oriented normally to the film surface. In a 0.5 M H2SO4 solution, on carbon cathodes coated with MoSe (x) films, the hydrogen overvoltage dropped to -0.17 V and the current density doubled.
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