Journal
NANOSCALE
Volume 6, Issue 18, Pages 10673-10679Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr02014f
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Funding
- National Natural Science Foundation of China [51373037, 51125011]
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In this work, we report the fabrication of low crystalline, few-layered MoS2 nanosheet-coated electrospun SnO2 nanotube (MoS2/SnO2) heterostructures with three-dimensional configurations by electrospinning combined with a one-step solvothermal approach. The morphologies and compositions of the as-prepared hybrid nanotubes were characterized by field-emission scanning electron microscopy, transmission electron microscopy, ICP-AES, BET method, X-ray diffraction and X-ray photoelectron spectroscopy. Results show that SnO2 nanotubes are uniformly covered by sheet-like MoS2 subunits on both outer and inner surfaces. The electrocatalytic activity of MoS2/SnO2 heterostructures towards a hydrogen evolution reaction was examined using linear sweep voltammetry and AC impedance measurements. It is shown that the MoS2/SnO2 modified electrode exhibits excellent catalytic activity for hydrogen evolution with low overpotential, a small Tafel slope and high current density.
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