The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Tuning Pt-CeO2 interactions by high-temperature vapor-phase synthesis for improved reducibility of lattice oxygen
Open accessAbstract
In this work, we compare the CO oxidation performance of Pt single atom catalysts (SACs) prepared via two methods: (1) conventional wet chemical synthesis (strong electrostatic adsorption–SEA) with calcination at 350 °C in air; and (2) high temperature vapor phase synthesis (atom trapping–AT) with calcination in air at 800 °C leading to ionic Pt being trapped on the CeO 2 in a thermally stable form. As-synthesized, both SACs are inactive for low temperature (<150 °C) CO oxidation. After treatment in CO at 275 °C, both catalysts show enhanced reactivity. Despite similar Pt metal particle size, the AT catalyst is significantly more active, with onset of CO oxidation near room temperature. A combination of near-ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) and CO temperature-programmed reduction (CO-TPR) shows that the high reactivity at low temperatures can be related to the improved reducibility of lattice oxygen on the CeO 2 support.
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Cites
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Metadata
- Authors
- Pereira-Hernández, X. I., DeLaRiva, A., Muravev, V., Kunwar, D., Xiong, H., Sudduth, B., Engelhard, M., Kovarik, L., Hensen, E. J. M., Wang, Y., & Datye, A. K.
- Venue
- Nature Communications
- Published
- 2019-03-25
- Volume
- 10
- Issue
- 1
- Pages
- 1358-1358
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2924647446
- Cited by
- 499
- References
- 40
- FWCI
- 20.75
- Type
- journal article
- Language
- en
- Open access
- gold
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- Pereira-Hernández, X. I., DeLaRiva, A., Muravev, V., Kunwar, D., Xiong, H., Sudduth, B., Engelhard, M., Kovarik, L., Hensen, E. J. M., Wang, Y., & Datye, A. K. (2019). Tuning Pt-CeO2 interactions by high-temperature vapor-phase synthesis for improved reducibility of lattice oxygen. Nature Communications. https://doi.org/10.1038/s41467-019-09308-5
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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