Effective and Selective Ethylene Glycol Electrooxidation with Compositionally Controlled Pt-Au Bimetallic Electrocatalysts

Hui Luo; Xianxian Xie; Jia-Min Li; Shaohui Guo; Ivan Khalakhan

doi:10.1039/D5TA07392H

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Effective and Selective Ethylene Glycol Electrooxidation with Compositionally Controlled Pt-Au Bimetallic Electrocatalysts

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Effective and Selective Ethylene Glycol Electrooxidation with Compositionally Controlled Pt-Au Bimetallic Electrocatalysts

Hui Luo, Xianxian Xie, Jia-Min Li, Shaohui Guo and Ivan Khalakhan

Journal of Materials Chemistry A: materials for energy and sustainability

03/12/2025

DOI: https://doi.org/10.1039/D5TA07392H

Abstract

Controlling surface Pt and Au concentration on PtAu nanoparticles via magnetron sputtering enables enhanced EGOR activity and glycolate selectivity. This improvement originates from electronic modifications of Pt induced by adjacent Au atoms. These findings highlight surface composition engineering as a promising strategy for designing next-generation nanoparticle electrocatalysts with tailored performance.

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Title: Effective and Selective Ethylene Glycol Electrooxidation with Compositionally Controlled Pt-Au Bimetallic Electrocatalysts
Creators: Hui Luo (Corresponding Author) - University of Surrey, School of Mechanical Engineering Sciences
Xianxian Xie (Author) - Charles University
Jia-Min Li (Author) - Taiyuan University of Technology
Shaohui Guo (Author) - Taiyuan University of Technology
Ivan Khalakhan (Corresponding Author) - Charles University
Publication Details: Journal of Materials Chemistry A: materials for energy and sustainability
Publisher: Royal Society of Chemistry
First online publication date: 03/12/2025
Date accepted for publication: 02/12/2025
Grants: RAEng research fellowship, RF-2324-23-176, Royal Academy of Engineering (United Kingdom, London)
Royal Society Research Grant, RG\R1\241164, Royal Society (United Kingdom, London)
LM2023072, Ministry of Education Youth and Sports (Czechia, Prague) - MSMT
Grant note: HL acknowledges the support from the Royal Society Research Grant (RG\R1\241164) and the Royal Academy of Engineering Research Fellowship (RF-2324-23-176). This study was completed with the assistance of infrastructure funded by the Ministry of Education, Youth and Sports (MEYS), Czech Republic, through project LM2023072.
Identifiers: 991067028602346
Copyright: © The Royal Society of Chemistry 2025. Open Access Article. Published on 03 December 2025. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. For the purpose of open access, the authors have applied a Creative Commons Attribution (CC BY) licence to any Author Accepted Manuscript version arising.
Academic Unit: School of Mechanical Engineering Sciences
Language: English
Resource Type: Journal article
Data Access Statement: The data supporting this article have been included as part of the Supporting Information. Raw data for this article, including XPS results, electrochemical testing and liquid product from HPLC, are available at figshare: https://doi.org/10.6084/m9.figshare.30090457.v2

Effective and Selective Ethylene Glycol Electrooxidation with Compositionally Controlled Pt-Au Bimetallic Electrocatalysts

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