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

Literature Information

Publication Date 2019-10-02
DOI 10.1039/C9CC06550D
Impact Factor 6.222
Authors

Youzeng Li, Pengfei Yan, Jun Chen, Yumei Ren, Yannan Zhou, Tianpei Ge, Jun Chen


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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.

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