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High-efficiency electrocatalyst for N2 conversion to NH3 based on Au nanoparticles loaded on defective WO3−x

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Abstract

In this work, Au nanoparticles (NPs) grown on defective WO3−x (Au/WO3−x) show superior electrocatalytic N2 reduction activity under ambient conditions in 0.1 M KOH. At −0.2 V versus the reversible hydrogen electrode (vs. RHE), the Au/WO3−x catalyst achieves a large NH3 yield of 23.15 μg h−1 mg−1 and a high faradaic efficiency (FE) of 14.72%. Further density functional theory (DFT) calculations indicate that electron transfer between the Au nanoparticles and defective WO3−x promotes the activation of N2 molecules effectively.

Graphical abstract: High-efficiency electrocatalyst for N2 conversion to NH3 based on Au nanoparticles loaded on defective WO3−x

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Publication details

The article was received on 23 Aug 2019, accepted on 01 Oct 2019 and first published on 02 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC06550D
Chem. Commun., 2019, Advance Article

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    High-efficiency electrocatalyst for N2 conversion to NH3 based on Au nanoparticles loaded on defective WO3−x

    Y. Li, P. Yan, J. Chen, Y. Ren, Y. Zhou, T. Ge, J. Chen and Q. Xu, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC06550D

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