Journal
NANO RESEARCH
Volume 13, Issue 11, Pages 2967-2972Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-020-2956-9
Keywords
vanadium phosphide nanoparticle; N-2 reduction reaction; electrocatalysis; density functional theory
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Funding
- National Natural Science Foundation of China [21575137]
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To develop highly efficient electrochemical catalysts for N-2 fixation is important to sustainable ambient NH3 production through the N-2 reduction reaction (NRR). Herein, we demonstrate the development of vanadium phosphide nanoparticle on V foil as a high-efficiency and stable catalyst for ambient NH3 production with excellent selectivity. The high Faradaic efficiency of 22% with a large NH3 yield of 8.35 x 10(-11) mol.s(-1).cm(-2) was obtained at 0 V vs. the reversible hydrogen electrode in acid solution, superior to all previously studied V-based NRR catalysts. Density functional theory calculations are also utilized to have an insight into the catalytic mechanism.
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