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A Common Single-Site Pt(II)–O(OH)x– Species Stabilized by Sodium on “Active” and “Inert” Supports Catalyzes the Water-Gas Shift Reaction
Abstract
While it has long been known that different types of support oxides have different capabilities to anchor metals and thus tailor the catalytic behavior, it is not always clear whether the support is a mere carrier of the active metal site, itself not participating directly in the reaction pathway. We report that catalytically similar single-atom-centric Pt sites are formed by binding to sodium ions through -O ligands, the ensemble being equally effective on supports as diverse as TiO2, L-zeolites, and mesoporous silica MCM-41. Loading of 0.5 wt % Pt on all of these supports preserves the Pt in atomic dispersion as Pt(II), and the Pt-O(OH)x- species catalyzes the water-gas shift reaction from ∼120 to 400 °C. Since the effect of the support is "indirect," these findings pave the way for the use of a variety of earth-abundant supports as carriers of atomically dispersed platinum for applications in catalytic fuel-gas processing.
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Citations
Cited by
Catalysis by Supported Single Metal Atoms
Liu, J. (2017) · ACS Catalysis · doi:10.1021/acscatal.6b01534 · Cited by 1,331
Self-citationLiu, D., Li, X., Chen, S., Yan, H., Wang, C., Wu, C., Haleem, Y. A., Duan, S., Lu, J., Ge, B., et al. (2019) · Nature Energy · doi:10.1038/s41560-019-0402-6 · Cited by 1,166
Tuning selectivity of electrochemical reactions by atomically dispersed platinum catalyst
Choi, C. H., Kim, M., Kwon, H. C., Cho, S. J., Yun, S., Kim, H.-T., Mayrhofer, K. J. J., Kim, H., & Choi, M. (2016) · Nature Communications · doi:10.1038/ncomms10922 · Cited by 849
A stable low-temperature H2-production catalyst by crowding Pt on α-MoC
Zhang, X., Zhang, M., Deng, Y., Xu, M., Artiglia, L., Wen, W., Gao, R., Chen, B., Yao, S., Zhang, X., et al. (2021) · Nature · doi:10.1038/s41586-020-03130-6 · Cited by 574
Self-citationZhang, L., Han, L., Liu, H., Liu, X., & Luo, J. (2017) · Angewandte Chemie International Edition · doi:10.1002/anie.201706921 · Cited by 532
Metadata
- Authors
- Yang, M., Liu, J., Lee, S., Zugic, B., Huang, J., Allard, L. F., & Flytzani-Stephanopoulos, M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-03-10
- Volume
- 137
- Issue
- 10
- Pages
- 3470-3473
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1983711689
- Cited by
- 410
- References
- 0
- FWCI
- 16.79
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Yang, M., Liu, J., Lee, S., Zugic, B., Huang, J., Allard, L. F., & Flytzani-Stephanopoulos, M. (2015). A Common Single-Site Pt(II)–O(OH)x– Species Stabilized by Sodium on “Active” and “Inert” Supports Catalyzes the Water-Gas Shift Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/ja513292k
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