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Modulating the electronic metal-support interactions in single-atom Pt1−CuO catalyst for boosting acetone oxidation

Jiang, Zeyu, Tian, Mingjiao, Jing, Meizan, Chai, Shouning, Jian, Yanfei, Chen, Changwei, Douthwaite, Mark, Zheng, Lirong, Ma, Mudi, Song, Weiyu, Liu, Jian, Yu, Jiaguo and He, Chi 2022. Modulating the electronic metal-support interactions in single-atom Pt1−CuO catalyst for boosting acetone oxidation. Angewandte Chemie International Edition 61 (28) , e202200763. 10.1002/anie.202200763
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The development of highly active single-atom catalysts (SACs) and identifying their intrinsic active sites in oxidizing industrial hazardous hydrocarbons are challenging prospects. Tuning the electronic metal-support interactions (EMSIs) is valid for modulating the catalytic performance of SACs. We propose that the modulation of the EMSIs in a Pt1−CuO SAC significantly promotes the activity of the catalyst in acetone oxidation. The EMSIs promote charge redistribution through the unified Pt−O−Cu moieties, which modulates the d-band structure of atomic Pt sites, and strengthens the adsorption and activation of reactants. The positively charged Pt atoms are superior for activating acetone at low temperatures, and the stretched Cu−O bonds facilitate the activation of lattice oxygen atoms to participate in subsequent oxidation. We believe that this work will guide researchers to engineer efficient SACs for application in hydrocarbon oxidation reactions. Open Research

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Wiley
ISSN: 1433-7851
Funders: National Natural Science Foundation of China (21922606, 21876139)
Date of First Compliant Deposit: 27 June 2022
Date of Acceptance: 28 March 2022
Last Modified: 25 Jul 2022 16:37

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