4.7 Article

Improving the intrinsic electrocatalytic hydrogen evolution activity of few-layer NiPS3 by cobalt doping

Journal

CHEMICAL COMMUNICATIONS
Volume 53, Issue 58, Pages 8199-8202

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc03173d

Keywords

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Funding

  1. National Natural Science Foundation of China [21471039, 21571043, 21671047]
  2. Fundamental Research Funds for the Central Universities [PIRS of HIT A201502, HIT. BRETIII. 201223]
  3. China Postdoctoral Science Foundation [2014M560253]
  4. Postdoctoral Scientific Research Fund of Heilongjiang Province [LBH-Q14062, LBH-Z14076]
  5. Natural Science Foundation of Heilongjiang Province [B2015001]
  6. Youth Innovation Promotion Association of CAS [2015316]

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Here we demonstrate the improvement of the intrinsic electrocatalytic hydrogen evolution activity of NiPS3 by proper cobalt doping. The optimized Ni0.95Co0.05PS3 nanosheets display a geometric catalytic current density of -10 mA cm(-2) at an overpotential of 71 mV vs. RHE and a Tafel slope of 77 mV dec(-1) in 1.0 M KOH.

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