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Stability in the dilute limit

Haisong Feng
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Researchers from Beijing University of Chemical Technology discovered that trace amounts of metal dopants can stabilize nanoparticles by electronically anchoring critical surface atoms, preventing sintering at the atomic scale. The study, published in March 2026, demonstrates how highly dilute platinum-copper catalysts resist degradation by suppressing atomic mobility through electronic stabilization, challenging traditional catalyst design approaches. Using scanning probe microscopy, the team identified that even minimal dopant concentrations (dilute limit) create localized electronic interactions strong enough to halt nanoparticle coalescence during high-temperature reactions. This breakthrough redefines catalyst engineering by shifting focus from bulk material properties to precise atomic-scale electronic modifications, enabling more durable and efficient industrial catalysts. The findings suggest a universal principle applicable to other metal systems, potentially reducing costs and energy waste in chemical manufacturing by extending catalyst lifetimes.
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Subjects Heterogeneous catalysisScanning probe microscopy Highly dilute metal dopants arrest nanoparticle sintering by electronically stabilizing a few critical surface atoms, redefining how catalyst stability can be engineered at the atomic scale. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution Access options Access through your institution Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription $32.99 / 30 days cancel any time Learn more Subscribe to this journal Receive 12 print issues and online access $259.00 per year only $21.58 per issue Learn more Rent or buy this article Prices vary by article type from$1.95 to$39.95 Learn more Prices may be subject to local taxes which are calculated during checkout Fig. 1: Atomic-scale origin and electronic principles of sintering suppression in highly dilute Pt–Cu catalysts. ReferencesKumar, A., Daw, P. & Milstein, D. Chem. Rev. 122, 385–441 (2022).Article CAS PubMed Google Scholar Vogt, C. & Weckhuysen, B. M. Nat. Rev. Chem. 6, 89–111 (2022).Article PubMed Google Scholar Wu, G. & Zelenay, P. Nat. Rev. Mater. 9, 643–656 (2024).Article CAS Google Scholar Wang, T. et al. Science 386, 915–920 (2024).Article CAS PubMed Google Scholar Xie, X., Li, Y., Liu, Z. Q., Haruta, M. & Shen, W. Nature 458, 746–749 (2009).Article CAS PubMed Google Scholar Goodman, E. D. et al. Nat. Catal. 2, 748–755 (2019).Article CAS Google Scholar Finzel, J. et al. Nat. Mater. https://doi.org/10.1038/s41563-026-02489-7 (2026).Article Google Scholar Hannagan, R. T., Giannakakis, G., Flytzani-Stephanopoulos, M. & Sykes, E. C. H. Chem. Rev. 120, 12044–12088 (2020).Article CAS PubMed Google Scholar Bozal-Ginesta, C., Pablo-García, S., Choi, C., Tarancón, A. & Aspuru-Guzik, A. Nat. Rev. Chem. 9, 601–616 (2025).Article PubMed Google Scholar Zhang, X. et al. Nat. Commun. 10, 5812 (2019).Article CAS PubMed PubMed Central Google Scholar Download referencesAuthor informationAuthors and AffiliationsState Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, P. R. ChinaHaisong Feng, Xin Zhang & Min WeiAuthorsHaisong FengView author publicationsSearch author on:PubMed Google ScholarXin ZhangView author publicationsSearch author on:PubMed Google ScholarMin WeiView author publicationsSearch author on:PubMed Google ScholarCorresponding authorsCorrespondence to Xin Zhang or Min Wei.Ethics declarations Competing interests The authors declare no competing interests. Rights and permissionsReprints and permissionsAbout this articleCite this articleFeng, H., Zhang, X. & Wei, M. Stability in the dilute limit. Nat. Mater. (2026). https://doi.org/10.1038/s41563-026-02527-4Download citationPublished: 02 March 2026Version of record: 02 March 2026DOI: https://doi.org/10.1038/s41563-026-02527-4Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.Copy shareable link to clipboard Provided by the Springer Nature SharedIt content-sharing initiative Metal hybridization in dilute-alloy catalysts promotes sintering resistance by decreasing surface mobility Jordan FinzelAudrey DannarPhillip Christopher Nature Materials Article 02 Mar 2026

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