229. Perpendicularly oriented few-layer MoSe2 on SnO2 nanotubes for efficient hydrogen evolution reaction.
writer：Y. P. Huang, Y. E. Miao, J. Fu, S. Y. Mo, C. Wei, T. X. Liu*
keywords：MoSe2, SnO2 nanotubes, Hydrogen evolution reaction
source：期刊
specific source：J. Mater. Chem. A, 2015, 3(31), 16263-16271.
Issue time：2015年
Maximizing the number of exposed active edges in newly emerged two-dimensional few-layer MoSe
2 nanostructures is a key issue to fully realize the excellent electrochemical properties of MoSe
2. In this work, a
SnO2@MoSe2 nanostructure was successfully fabricated through a facile electrospinning technique combined with sintering and a solvothermal method. This rationally designed hierarchical architecture has perpendicularly oriented few-layered MoSe
2 nanosheets uniformly and fully covering both inner and outer surfaces of SnO
2 nanotubes, which exhibits excellent electrochemical activity as a hydrogen evolution reaction (HER) catalyst with a small onset potential of -0.11 V vs. reversible hydrogen electrode (RHE) and a small Tafel slope of 51 mV per decade. This excellent performance may originate from the unique hierarchical tubular structure with fully exposed active edges and open spaces for fast electron/electrolyte transfer, enabling their potential to replace Pt as a future electrocatalyst in HER.