The DOI matches its Crossref record; 66 of the 66 references it cites were found in a registry or an index.
Strong Metal–Support Interactions between Pt Single Atoms and TiO2
Abstract
Strong metal–support interaction (SMSI) has gained great attention in the field of heterogeneous catalysis. However, whether single‐atom catalysts can exhibit SMSI remains unknown. Here, we demonstrate that SMSI can occur on TiO 2‐supported Pt single atoms but at a much higher reduction temperature than that for Pt nanoparticles (NPs). Pt single atoms involved in SMSI are not covered by the TiO 2 support nor do they sink into its subsurface. The suppression of CO adsorption on Pt single atoms stems from coordination saturation (18‐electron rule) rather than the physical coverage of Pt atoms by the support. Based on the new finding it is revealed that single atoms are the true active sites in the hydrogenation of 3‐nitrostyrene, while Pt NPs barely contribute to the activity since the NP sites are selectively encapsulated. The findings in this work provide a new approach to study the active sites by tuning SMSI.
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Cited by
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Metadata
- Authors
- Han, B., Guo, Y., Huang, Y., Xi, W., Xu, J., Luo, J., Qi, H., Ren, Y., Liu, X., Qiao, B., & Zhang, T.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2020-05-11
- Volume
- 59
- Issue
- 29
- Pages
- 11824-11829
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W3017305892
- Cited by
- 586
- References
- 66
- FWCI
- 26.76
- Type
- journal article
- Language
- en
- Open access
- closed
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