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Potassium Titanate Supported Atomically Dispersed Palladium for Catalytic Oxidation

Zhou, Li / He, Shuren / Xu, Xiaohong / Li, Guangwu / Jia, Chuancheng

Single‐atom catalysts based on noble metals provide efficient atomic utilization along with enhanced reactivity. Herein, a convenient strategy to construct atomically dispersed palladium catalyst on layered potassium titanate (KTO), which has enhanced interaction between the TiO₆ layer and the palladium atoms, is presented. Due to the presence of K⁺ ions in the interlayers of KTO, the TiO₆ octahedron layers have negative charge, which increases the interaction between Pd atoms and the substrate, thus preventing their agglomeration. In addition, the provision of charge of K⁺ ion makes the molecular oxygen in the system easier to be activated and promotes catalytic oxidation activity.

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Potassium Titanate Supported Atomically Dispersed Palladium for Catalytic Oxidation

Zhou, Li / He, Shuren / Xu, Xiaohong / Li, Guangwu / Jia, Chuancheng

Single‐atom catalysts based on noble metals provide efficient atomic utilization along with enhanced reactivity. Herein, a convenient strategy to construct atomically dispersed palladium catalyst on layered potassium titanate (KTO), which has enhanced interaction between the TiO₆ layer and the palladium atoms, is presented. Due to the presence of K⁺ ions in the interlayers of KTO, the TiO₆ octahedron layers have negative charge, which increases the interaction between Pd atoms and the substrate, thus preventing their agglomeration. In addition, the provision of charge of K⁺ ion makes the molecular oxygen in the system easier to be activated and promotes catalytic oxidation activity.

Potassium Titanate Supported Atomically Dispersed Palladium for Catalytic Oxidation

Zhou, Li / He, Shuren / Xu, Xiaohong / Li, Guangwu / Jia, Chuancheng

Single‐atom catalysts based on noble metals provide efficient atomic utilization along with enhanced reactivity. Herein, a convenient strategy to construct atomically dispersed palladium catalyst on layered potassium titanate (KTO), which has enhanced interaction between the TiO₆ layer and the palladium atoms, is presented. Due to the presence of K⁺ ions in the interlayers of KTO, the TiO₆ octahedron layers have negative charge, which increases the interaction between Pd atoms and the substrate, thus preventing their agglomeration. In addition, the provision of charge of K⁺ ion makes the molecular oxygen in the system easier to be activated and promotes catalytic oxidation activity.

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Title:

Potassium Titanate Supported Atomically Dispersed Palladium for Catalytic Oxidation

Contributors:

Zhou, Li (author) / He, Shuren (author) / Xu, Xiaohong (author) / Li, Guangwu (author) / Jia, Chuancheng (author)

Published in:

Advanced Science ; 10

Publication date:

2023-01-01

Size:

7 pages

ISSN:

DOI:

https://doi.org/10.1002/advs.202204674

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

catalytic oxidation , metal–support interaction , palladium , potassium titanate , single‐atom catalyst

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