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Abstract
This study presents a robust catalyst by embedding single-atom Ru sites onto CeO₂ using a gas bubbling-assisted membrane deposition method. The Ru₁/CeO₂ catalyst shows exceptional catalytic performance and stability during soot oxidation, rivaling commercial Pt-based catalysts. The high turnover frequency is attributed to strong interfacial charge transfer, enhancing NO oxidation and reducing activation energy during soot oxidation. This offers a cost-effective alternative to Pt/Pd catalysts.
Publisher
Nature Communications
Published On
Nov 06, 2023
Authors
Yuanfeng Li, Tian Qin, Yuechang Wei, Jing Xiong, Peng Zhang, Kezhen Lai, Hongjie Chi, Xi Liu, Liwei Chen, Xiaolin Yu, Zhen Zhao, Lina Li, Jian Liu
Tags
catalyst
soot oxidation
Ru
CeO₂
catalytic performance
charge transfer
cost-effective

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