Journal
CHEMICAL COMMUNICATIONS
Volume 56, Issue 90, Pages 14019-14022Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc05656a
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Funding
- Hunan Provincial Science and Technology Plan Project [2017TP1001, 2020JJ4710]
- state Key Laboratory Fund
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We demonstrate a charge transfer boosted hydrogen (H-2) evolution of transition metal oxides via a Schottky junction. The FeNi and metallic defect-rich CoFe2O4 (DCF) as well as semiconducting nitrogen-doped carbon (NC), named as FeNi/DCF/NC, possessed only 6.5% charge transfer resistance of DCF. Theoretical calculations indicate that the enhanced electron movement happened from FeNi/DCF to NC. The H-2 evolution activity of FeNi/DCF/NC showed 5.8-fold improvement compared to that of DCF at the overpotential of 400 mV in 1.0 M KOH. This work provides an effective way to enhance the electrocatalytic activity of oxides for the H-2 evolution reaction and related reactions.
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