{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Mo F"],"funding":["National Natural Science Foundation of China as a Shandong Joint Fund Project","Ministry of Science and Technology of People&apos;s Republic of China as a Key Technology Research and Development Program Project","Tianjin Science and Technology Bureau as a Key Science and Technology Supporting Project","Ministry of Science and Technology of People&amp;apos;s Republic of China as a Key Technology Research and Development Program Project"],"pagination":["e2300281120"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10104488"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["120(15)"],"pubmed_abstract":["The performance optimization of isolated atomically dispersed metal active sites is critical but challenging. Here, TiO<sub>2</sub>@Fe species-N-C catalysts with Fe atomic clusters (ACs) and satellite Fe-N<sub>4</sub> active sites were fabricated to initiate peroxymonosulfate (PMS) oxidation reaction. The AC-induced charge redistribution of single atoms (SAs) was verified, thus strengthening the interaction between SAs and PMS. In detail, the incorporation of ACs optimized the HSO<sub>5</sub><sup>-</sup> oxidation and SO<sub>5</sub><sup>·- </sup>desorption steps, accelerating the reaction progress. As a result, the Vis/TiFeAS/PMS system rapidly eliminated 90.81% of 45 mg/L tetracycline (TC) in 10 min. The reaction process characterization suggested that PMS as an electron donor would transfer electron to Fe species in TiFeAS, generating <sup>1</sup>O<sub>2</sub>. Subsequently, the h<sub>VB</sub><sup>+</sup> can induce the generation of electron-deficient Fe species, promoting the reaction circulation. This work provides a strategy to construct catalysts with multiple atom assembly-enabled composite active sites for high-efficiency PMS-based advanced oxidation processes (AOPs)."],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pubmed_title":["The optimized Fenton-like activity of Fe single-atom sites by Fe atomic clusters-mediated electronic configuration modulation."],"pmcid":["PMC10104488"],"funding_grant_id":["2019YFC1804104","S19ZC60133","U1906222"],"pubmed_authors":["Ouyang S","Xue W","Hou Z","Zhou Q","Wang Q","Wang S","Song C","Mo F","Wang J"],"additional_accession":[]},"is_claimable":false,"name":"The optimized Fenton-like activity of Fe single-atom sites by Fe atomic clusters-mediated electronic configuration modulation.","description":"The performance optimization of isolated atomically dispersed metal active sites is critical but challenging. Here, TiO<sub>2</sub>@Fe species-N-C catalysts with Fe atomic clusters (ACs) and satellite Fe-N<sub>4</sub> active sites were fabricated to initiate peroxymonosulfate (PMS) oxidation reaction. The AC-induced charge redistribution of single atoms (SAs) was verified, thus strengthening the interaction between SAs and PMS. In detail, the incorporation of ACs optimized the HSO<sub>5</sub><sup>-</sup> oxidation and SO<sub>5</sub><sup>·- </sup>desorption steps, accelerating the reaction progress. As a result, the Vis/TiFeAS/PMS system rapidly eliminated 90.81% of 45 mg/L tetracycline (TC) in 10 min. The reaction process characterization suggested that PMS as an electron donor would transfer electron to Fe species in TiFeAS, generating <sup>1</sup>O<sub>2</sub>. Subsequently, the h<sub>VB</sub><sup>+</sup> can induce the generation of electron-deficient Fe species, promoting the reaction circulation. This work provides a strategy to construct catalysts with multiple atom assembly-enabled composite active sites for high-efficiency PMS-based advanced oxidation processes (AOPs).","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Apr","modification":"2025-04-22T15:55:57.212Z","creation":"2025-04-06T01:35:22.602Z"},"accession":"S-EPMC10104488","cross_references":{"pubmed":["37011202"],"doi":["10.1073/pnas.2300281120"]}}