Efficient electrocatalytic reduction of nitrate to nitrogen gas by a cubic Cu2O film with predominant (111) orientation

Qiangsheng Zhao; Zihui Tang; Bin Chen; Chuhong Zhu; Haibin Tang; Guowen Meng

doi:10.1039/D1CC07299D

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Efficient electrocatalytic reduction of nitrate to nitrogen gas by a cubic Cu₂O film with predominant (111) orientation†

Qiangsheng Zhao,^ab Zihui Tang,^bc Bin Chen,

^bc Chuhong Zhu,

*^a Haibin Tang

*^bc and Guowen Meng

^bc

Author affiliations

* Corresponding authors

^a Institutes of Physical Science and Information Technology, and School of Materials Science and Engineering, Anhui University, Hefei 230601, P. R. China

^b Key Laboratory of Materials Physics, and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, 350 Shushanhu Road, Hefei, Anhui 230031, P. R. China

^c University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China

Abstract

A (111) predominant cubic Cu₂O film terminated with nanopyramids was electrodeposited on copper foam as the cathode for electrocatalytic reduction of nitrate. The nitrate removal efficiency reached 94.3% and the selectivity for nontoxic nitrogen gas was 49.2%, 99% and 64.2% in neutral solution, alkaline solution and spiked actual lake water, respectively.

This article is part of the themed collection: Chemical Communications HOT Articles 2022

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Article information

DOI: https://doi.org/10.1039/D1CC07299D
Article type: Communication
Submitted: 30 Dec 2021
Accepted: 17 Feb 2022
First published: 18 Feb 2022

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Chem. Commun., 2022,58, 3613-3616

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Efficient electrocatalytic reduction of nitrate to nitrogen gas by a cubic Cu₂O film with predominant (111) orientation

Q. Zhao, Z. Tang, B. Chen, C. Zhu, H. Tang and G. Meng, Chem. Commun., 2022, 58, 3613 DOI: 10.1039/D1CC07299D

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