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Pentacoordinated Al3+‐Stabilized Active Pd Structures on Al2O3‐Coated Palladium Catalysts for Methane Combustion
Abstract
Supported Pd catalysts are active in catalyzing the highly exothermic methane combustion reaction but tend to be deactivated owing to local hyperthermal environments. Herein we report an effective approach to stabilize Pd/SiO 2 catalysts with porous Al 2 O 3 overlayers coated by atomic layer deposition (ALD). 27 Al magic angle spinning NMR analysis showed that Al 2 O 3 overlayers on Pd particles coated by the ALD method are rich in pentacoordinated Al 3+ sites capable of strongly interacting with adjacent surface PdOx phases on supported Pd particles. Consequently, Al 2 O 3‐decorated Pd/SiO 2 catalysts exhibit active and stable PdOx and Pd–PdOx structures to efficiently catalyze methane combustion between 200 and 850 °C. These results reveal the unique structural characteristics of Al 2 O 3 overlayers on metal surfaces coated by the ALD method and provide a practical strategy to explore stable and efficient supported Pd catalysts for methane combustion.
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Cited by
Li, Y., Zhang, Y., Qian, K., & Huang, W. (2022) · ACS Catalysis · doi:10.1021/acscatal.1c04854 · Cited by 538
Self-citationYang, G., Zhang, C., Chen, Z., Wang, J., Gao, G., Li, Z., Huang, R., & Cui, Y. (2025) · ACS Catalysis · doi:10.1021/acscatal.4c05602 · Cited by 17
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Metadata
- Authors
- Duan, H., You, R., Xu, S., Li, Z., Qian, K., Cao, T., Huang, W., & Bao, X.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-07-24
- Volume
- 58
- Issue
- 35
- Pages
- 12043-12048
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2951431605
- Cited by
- 176
- References
- 0
- FWCI
- 6.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Pentacoordinated Al3+‐Stabilized Active Pd Structures on Al2O3‐Coated Palladium Catalysts for Methane Combustion. https://app.cochat.ai/papers/10.1002/anie.201904883
- The paper
- Duan, H., You, R., Xu, S., Li, Z., Qian, K., Cao, T., Huang, W., & Bao, X. (2019). Pentacoordinated Al3+‐Stabilized Active Pd Structures on Al2O3‐Coated Palladium Catalysts for Methane Combustion. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201904883
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