Issue 18, 2014

Synthesis of few-layered MoS2 nanosheet-coated electrospun SnO2 nanotube heterostructures for enhanced hydrogen evolution reaction

Abstract

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.

Graphical abstract: Synthesis of few-layered MoS2 nanosheet-coated electrospun SnO2 nanotube heterostructures for enhanced hydrogen evolution reaction

Supplementary files

Article information

Article type
Paper
Submitted
14 Apr 2014
Accepted
10 Jul 2014
First published
15 Jul 2014

Nanoscale, 2014,6, 10673-10679

Synthesis of few-layered MoS2 nanosheet-coated electrospun SnO2 nanotube heterostructures for enhanced hydrogen evolution reaction

Y. Huang, Y. Miao, L. Zhang, W. W. Tjiu, J. Pan and T. Liu, Nanoscale, 2014, 6, 10673 DOI: 10.1039/C4NR02014F

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