{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhang Z"],"funding":["DOE | SC | Basic Energy Sciences (BES)","DOE | Office of Energy Efficiency &amp; Renewable Energy | Bioenergy Technologies Office","DOE | SC | Basic Energy Sciences","DOE | Office of Energy Efficiency & Renewable Energy | Bioenergy Technologies Office (BETO)"],"pagination":["2664"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10169862"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(1)"],"pubmed_abstract":["Single atoms of platinum group metals on CeO<sub>2</sub> represent a potential approach to lower precious metal requirements for automobile exhaust treatment catalysts. Here we show the dynamic evolution of two types of single-atom Pt (Pt<sub>1</sub>) on CeO<sub>2</sub>, i.e., adsorbed Pt<sub>1</sub> in Pt/CeO<sub>2</sub> and square planar Pt<sub>1</sub> in Pt<sub>AT</sub>CeO<sub>2</sub>, fabricated at 500 °C and by atom-trapping method at 800 °C, respectively. Adsorbed Pt<sub>1</sub> in Pt/CeO<sub>2</sub> is mobile with the in situ formation of few-atom Pt clusters during CO oxidation, contributing to high reactivity with near-zero reaction order in CO. In contrast, square planar Pt<sub>1</sub> in Pt<sub>AT</sub>CeO<sub>2</sub> is strongly anchored to the support during CO oxidation leading to relatively low reactivity with a positive reaction order in CO. Reduction of both Pt/CeO<sub>2</sub> and Pt<sub>AT</sub>CeO<sub>2</sub> in CO transforms Pt<sub>1</sub> to Pt nanoparticles. However, both catalysts retain the memory of their initial Pt<sub>1</sub> state after reoxidative treatments, which illustrates the importance of the initial single-atom structure in practical applications."],"journal":["Nature communications"],"pubmed_title":["Memory-dictated dynamics of single-atom Pt on CeO<sub>2</sub> for CO oxidation."],"pmcid":["PMC10169862"],"funding_grant_id":["NA","DE-FG02-05ER15712"],"pubmed_authors":["Tian J","Lu Y","Hong J","Hoffman AS","Datye AK","Li Y","Zhang Z","Huang W","Jiang D","Bare SR","Wang Y","Yang S","Engelhard MH"],"additional_accession":[]},"is_claimable":false,"name":"Memory-dictated dynamics of single-atom Pt on CeO<sub>2</sub> for CO oxidation.","description":"Single atoms of platinum group metals on CeO<sub>2</sub> represent a potential approach to lower precious metal requirements for automobile exhaust treatment catalysts. Here we show the dynamic evolution of two types of single-atom Pt (Pt<sub>1</sub>) on CeO<sub>2</sub>, i.e., adsorbed Pt<sub>1</sub> in Pt/CeO<sub>2</sub> and square planar Pt<sub>1</sub> in Pt<sub>AT</sub>CeO<sub>2</sub>, fabricated at 500 °C and by atom-trapping method at 800 °C, respectively. Adsorbed Pt<sub>1</sub> in Pt/CeO<sub>2</sub> is mobile with the in situ formation of few-atom Pt clusters during CO oxidation, contributing to high reactivity with near-zero reaction order in CO. In contrast, square planar Pt<sub>1</sub> in Pt<sub>AT</sub>CeO<sub>2</sub> is strongly anchored to the support during CO oxidation leading to relatively low reactivity with a positive reaction order in CO. Reduction of both Pt/CeO<sub>2</sub> and Pt<sub>AT</sub>CeO<sub>2</sub> in CO transforms Pt<sub>1</sub> to Pt nanoparticles. However, both catalysts retain the memory of their initial Pt<sub>1</sub> state after reoxidative treatments, which illustrates the importance of the initial single-atom structure in practical applications.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 May","modification":"2025-04-19T06:42:47.305Z","creation":"2025-04-19T06:42:47.305Z"},"accession":"S-EPMC10169862","cross_references":{"pubmed":["37160890"],"doi":["10.1038/s41467-023-37776-3"]}}