A reassembled nanoporous gold leaf electrocatalyst for efficient CO2 reduction towards CO

Xiaosong Wen; Lin Chang; Yan Gao; Jianyu Han; Zhiming Bai; Yahuan Huan; Minghua Li; Zhiyong Tang; Xiaoqin Yan

doi:10.1039/C8QI00023A

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A reassembled nanoporous gold leaf electrocatalyst for efficient CO₂ reduction towards CO†

Xiaosong Wen,‡^ab Lin Chang,‡^a Yan Gao,

*^a Jianyu Han,^a Zhiming Bai,*^c Yahuan Huan,^b Minghua Li,^b Zhiyong Tang

^a and Xiaoqin Yan

*^b

Author affiliations

* Corresponding authors

^a Laboratory of Nanomaterials, National Center for Nanoscience and Technology, Beijing, 100190 P. R China
E-mail: gaoyan@nanoctr.cn

^b School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
E-mail: xqyan@mater.ustb.edu.cn

^c School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
E-mail: baizhiming2008@126.com

Abstract

Herein, we prepared a free-standing nanoporous gold leaf (NPGL) catalyst by simple one-step de-alloying of the Au–Ag alloy. It displays a much higher CO Faradaic efficiency (CO FE) of 90% and current density (mass activity) of 20.51 A g⁻¹ as compared to the nonporous gold foil at −1.2 V (vs. Ag/AgCl).

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Article information

DOI: https://doi.org/10.1039/C8QI00023A
Article type: Research Article
Submitted: 10 Jan 2018
Accepted: 24 Mar 2018
First published: 05 Apr 2018

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Inorg. Chem. Front., 2018,5, 1207-1212

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A reassembled nanoporous gold leaf electrocatalyst for efficient CO₂ reduction towards CO

X. Wen, L. Chang, Y. Gao, J. Han, Z. Bai, Y. Huan, M. Li, Z. Tang and X. Yan, Inorg. Chem. Front., 2018, 5, 1207 DOI: 10.1039/C8QI00023A

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