Rational Design of Efficient Electrocatalysts for Hydrogen Evolution Reaction: Single Layers of WS2 Nanoplates Anchored to Hollow Nitrogen-Doped Carbon Nanofibers
Overpotential
Electrospinning
Carbon fibers
DOI:
10.1021/acsami.5b09447
Publication Date:
2015-12-14T14:39:18Z
AUTHORS (6)
ABSTRACT
To exploit the benefits of nanostructuring for enhanced hydrogen evolution reaction (HER), we employed coaxial electrospinning to synthesize single-layered WS2 nanoplates anchored hollow nitrogen-doped carbon nanofibers (WS2@HNCNFs) as efficient electrocatalysts. For comparison, bulk powder and single layers embedded in (WS2@NCNFs) were synthesized electrochemically tested. The distinctive design WS2@HNCNFs enables remarkable electrochemical performances showing a low overpotential with reduced charge transfer resistance, small Tafel slope, excellent durability. experimental results highlight importance nanostructure engineering electrocatalysts HER.
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