Journal
NANOSCALE HORIZONS
Volume 3, Issue 3, Pages 317-326Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nh00027a
Keywords
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Funding
- NSFC [51320105001, 21433007, 51772234, U1705251]
- Natural Science Foundation of Hubei Province of China [2015CFA001]
- Innovative Research Funds of SKLWUT [2017-ZD-4]
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A new carbon allotrope, graphdiyne (GDY), with a highly -conjugated structure of sp- and sp(2)-hybridized carbon networks, has recently emerged and been used as a superior carbon additive to boost the activity of water oxidation catalysts. In this work, a hybrid GDY/NiFe-LDH electrocatalyst was prepared by a facile hydrothermal treatment, which shows an outstanding catalytic activity with a low overpotential of 260 mV at 10 mA cm(-2) catalytic current density and good durability towards oxygen evolution in 1.0 M KOH solution. Density functional theory (DFT) calculations prove that the sp- and sp(2)-hybridized GDY shows both superior electron capture and excellent electron transfer ability compared to that of the conventional sp(2)-hybridized carbon materials.
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