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Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion

Sai Li, Yuhang Wang, Kui Zhang, Haiyan Zhu, Shaobo Jia, Dongyuan Yang, Peng Ren, Zekai Ma, Shuoshuo Wang, Haixia Wu, Yameng Ma, Qi Chen, Jiahao Zhouhuang, Qiuliang Yu, Lihui Zeng, Rui Tan Orcid Logo, Zhiming Feng Orcid Logo, Qing Feng

Journal of Materials Chemistry A

Swansea University Author: Rui Tan Orcid Logo

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DOI (Published version): 10.1039/d5ta08108d

Abstract

The efficient utilization of CO2 as a carbon feedstock is vital for achieving carbon neutrality while enabling sustainable production of C1 chemicals. Plasma-assisted catalytic conversion has emerged as a promising strategy under mild conditions, yet its progress is limited by the lack of highly act...

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Published in: Journal of Materials Chemistry A
ISSN: 2050-7488 2050-7496
Published: The Royal Society of Chemistry 2026
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URI: https://cronfa.swan.ac.uk/Record/cronfa71360
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In this work, an In2O3-ZrO2 composite catalyst with high catalytic activity, excellent thermal stability and long service life was successfully prepared by combining the chemical precipitation method with plasma technology. The In-Zr (1&#x2006;:&#x2006;1) catalyst exhibited the best performance, reaching a CO2 conversion of 26.3% and CO selectivity above 90% at an SIE of 104 kJ L&#x2212;1. Compared with pure In2O3, the composite showed markedly improved thermal stability, sustaining continuous operation for 450 min, three times longer than In2O3. Plasma modification induced a higher concentration of oxygen vacancies (1.69 &#xD7; 1013 spins per g), increased surface area (56.7 m2 g&#x2212;1), and a narrowed bandgap (2.49 eV), which synergistically enhanced catalytic activity. Mechanistic studies and DFT calculations further revealed that the strong plasma-catalyst interaction facilitates CO2 activation pathways. This study demonstrates not only the durability of In-Zr composites but also highlights plasma modification as an effective strategy to design next-generation catalysts for plasma-assisted CO2 utilization. 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spelling 2026-02-02T11:38:13.0570166 v2 71360 2026-02-02 Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion 774c33a0a76a9152ca86a156b5ae26ff 0009-0001-9278-7327 Rui Tan Rui Tan true false 2026-02-02 EAAS The efficient utilization of CO2 as a carbon feedstock is vital for achieving carbon neutrality while enabling sustainable production of C1 chemicals. Plasma-assisted catalytic conversion has emerged as a promising strategy under mild conditions, yet its progress is limited by the lack of highly active and plasma-tolerant catalysts. In this work, an In2O3-ZrO2 composite catalyst with high catalytic activity, excellent thermal stability and long service life was successfully prepared by combining the chemical precipitation method with plasma technology. The In-Zr (1 : 1) catalyst exhibited the best performance, reaching a CO2 conversion of 26.3% and CO selectivity above 90% at an SIE of 104 kJ L−1. Compared with pure In2O3, the composite showed markedly improved thermal stability, sustaining continuous operation for 450 min, three times longer than In2O3. Plasma modification induced a higher concentration of oxygen vacancies (1.69 × 1013 spins per g), increased surface area (56.7 m2 g−1), and a narrowed bandgap (2.49 eV), which synergistically enhanced catalytic activity. Mechanistic studies and DFT calculations further revealed that the strong plasma-catalyst interaction facilitates CO2 activation pathways. This study demonstrates not only the durability of In-Zr composites but also highlights plasma modification as an effective strategy to design next-generation catalysts for plasma-assisted CO2 utilization. Meanwhile, the In-Zr catalyst successfully developed in this study, with its outstanding performance, stability and durability, is a highly promising candidate material for high-temperature industrial catalytic processes. Journal Article Journal of Materials Chemistry A 0 The Royal Society of Chemistry 2050-7488 2050-7496 6 1 2026 2026-01-06 10.1039/d5ta08108d COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee This work was financially supported by the Natural Science Foundation of China (NSFC, No. 22109126), Shaanxi Province key research and development plan item (2024CY2-GJHX-72), Yulin City science and technology plan project (2023-CXY-189), Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land Resources (SMDZ-KF2024-3), and Shaanxi Province Key Point Research and Development Project (2022GY-378). 2026-02-02T11:38:13.0570166 2026-02-02T11:25:13.1181614 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Sai Li 1 Yuhang Wang 2 Kui Zhang 3 Haiyan Zhu 4 Shaobo Jia 5 Dongyuan Yang 6 Peng Ren 7 Zekai Ma 8 Shuoshuo Wang 9 Haixia Wu 10 Yameng Ma 11 Qi Chen 12 Jiahao Zhouhuang 13 Qiuliang Yu 14 Lihui Zeng 15 Rui Tan 0009-0001-9278-7327 16 Zhiming Feng 0009-0006-4647-7922 17 Qing Feng 18 71360__36160__07cf569e6b1444798835e67520490781.pdf 71360.VOR.pdf 2026-02-02T11:30:48.4995499 Output 1943321 application/pdf Version of Record true This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. true eng http://creativecommons.org/licenses/by/3.0/
title Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
spellingShingle Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
Rui Tan
title_short Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
title_full Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
title_fullStr Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
title_full_unstemmed Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
title_sort Oxygen vacancy-rich In2O3-ZrO2 catalysts synthesized via DBD plasma for enhanced CO2-to-CO conversion
author_id_str_mv 774c33a0a76a9152ca86a156b5ae26ff
author_id_fullname_str_mv 774c33a0a76a9152ca86a156b5ae26ff_***_Rui Tan
author Rui Tan
author2 Sai Li
Yuhang Wang
Kui Zhang
Haiyan Zhu
Shaobo Jia
Dongyuan Yang
Peng Ren
Zekai Ma
Shuoshuo Wang
Haixia Wu
Yameng Ma
Qi Chen
Jiahao Zhouhuang
Qiuliang Yu
Lihui Zeng
Rui Tan
Zhiming Feng
Qing Feng
format Journal article
container_title Journal of Materials Chemistry A
container_volume 0
publishDate 2026
institution Swansea University
issn 2050-7488
2050-7496
doi_str_mv 10.1039/d5ta08108d
publisher The Royal Society of Chemistry
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description The efficient utilization of CO2 as a carbon feedstock is vital for achieving carbon neutrality while enabling sustainable production of C1 chemicals. Plasma-assisted catalytic conversion has emerged as a promising strategy under mild conditions, yet its progress is limited by the lack of highly active and plasma-tolerant catalysts. In this work, an In2O3-ZrO2 composite catalyst with high catalytic activity, excellent thermal stability and long service life was successfully prepared by combining the chemical precipitation method with plasma technology. The In-Zr (1 : 1) catalyst exhibited the best performance, reaching a CO2 conversion of 26.3% and CO selectivity above 90% at an SIE of 104 kJ L−1. Compared with pure In2O3, the composite showed markedly improved thermal stability, sustaining continuous operation for 450 min, three times longer than In2O3. Plasma modification induced a higher concentration of oxygen vacancies (1.69 × 1013 spins per g), increased surface area (56.7 m2 g−1), and a narrowed bandgap (2.49 eV), which synergistically enhanced catalytic activity. Mechanistic studies and DFT calculations further revealed that the strong plasma-catalyst interaction facilitates CO2 activation pathways. This study demonstrates not only the durability of In-Zr composites but also highlights plasma modification as an effective strategy to design next-generation catalysts for plasma-assisted CO2 utilization. Meanwhile, the In-Zr catalyst successfully developed in this study, with its outstanding performance, stability and durability, is a highly promising candidate material for high-temperature industrial catalytic processes.
published_date 2026-01-06T05:33:56Z
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score 11.09611

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