Interfacial regulation of CO2 electroreduction via CuAu nanoclusters decorated on hierarchically restructured bismuth nanoarchitectures

Sabahat Asif; Ifra Bashir; Yong Yang; Zhicheng Zhang; Bien Tan; Irshad Hussain

doi:10.1039/D6CC01235C

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Interfacial regulation of CO₂ electroreduction via CuAu nanoclusters decorated on hierarchically restructured bismuth nanoarchitectures

Sabahat Asif,^a Ifra Bashir,^a Yong Yang,

^b Zhicheng Zhang,

^c Bien Tan

^d and Irshad Hussain

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry & Chemical Engineering, Syed Babar Ali School of Science & Engineering, Lahore University of Management Sciences (LUMS), DHA, Lahore, Pakistan
E-mail: ihussain@lums.edu.pk

^b State Key Laboratory of Solidification Processing, Center of Advanced Lubrication and Seal Materials, Northwestern Polytechnical University (NWPU), Xi'an, Shaanxi, PR China

^c Department of Chemistry, School of Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin, PR China

^d Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and technology, Wuhan, China

Abstract

Interfacial electronic modulation enables the selective electroreduction of CO₂ to formate. Ultrasmall CuAu nanoclusters decorated on hierarchically restructured Bi nanoarchitectures induce charge redistribution and optimize stabilization of reaction intermediates. A CuAuNCs/HR-Bi catalyst achieves 94% faradaic efficiency at −0.8 V vs. RHE with enhanced kinetics and 24 h durability.

This article is part of the themed collection: ChemComm Electrocatalysis

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DOI: https://doi.org/10.1039/D6CC01235C
Article type: Communication
Submitted: 04 Mar 2026
Accepted: 12 May 2026
First published: 13 May 2026

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Chem. Commun., 2026, Advance Article

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Interfacial regulation of CO₂ electroreduction via CuAu nanoclusters decorated on hierarchically restructured bismuth nanoarchitectures

S. Asif, I. Bashir, Y. Yang, Z. Zhang, B. Tan and I. Hussain, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC01235C

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Interfacial regulation of CO₂ electroreduction via CuAu nanoclusters decorated on hierarchically restructured bismuth nanoarchitectures

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Interfacial regulation of CO₂ electroreduction via CuAu nanoclusters decorated on hierarchically restructured bismuth nanoarchitectures

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