{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Peng CK"],"funding":["Ministry of Science and Technology, Taiwan","Ministry of Science and Technology, Taiwan (Ministry of Science and Technology of Taiwan)"],"pagination":["529"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9892518"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(1)"],"pubmed_abstract":["The production of ecologically compatible fuels by electrochemical water splitting is highly desirable for modern industry. The Zhang-Rice singlet is well known for the superconductivity of high-temperature superconductors cuprate, but is rarely known for an electrochemical catalyst. Herein, we observe two steps of surface reconstruction from initial catalytic inactive Cu<sup>1+</sup> in hydrogen treated Cu<sub>2</sub>O to Cu<sup>2+</sup> state and further to catalytic active Zhang-Rice singlet state during the oxygen evolution reaction for water splitting. The hydrogen treated Cu<sub>2</sub>O catalyst exhibits a superior catalytic activity and stability for water splitting and is an efficient rival of other 3d-transition-metal catalysts. Multiple operando spectroscopies indicate that Zhan"],"journal":["Nature communications"],"pubmed_title":["Zhang-Rice singlets state formed by two-step oxidation for triggering water oxidation under operando conditions."],"pmcid":["PMC9892518"],"funding_grant_id":["111‐2634‐F‐A49‐007","111-2634-F-A49-007","111-2112-M-213-012"],"pubmed_authors":["Li JF","Qian Z","Peng CK","Lin YC","Chen SY","Hu Z","Chiang CL","Lin YG","Chen CT","Dong CL","Huang YC"],"additional_accession":[]},"is_claimable":false,"name":"Zhang-Rice singlets state formed by two-step oxidation for triggering water oxidation under operando conditions.","description":"The production of ecologically compatible fuels by electrochemical water splitting is highly desirable for modern industry. The Zhang-Rice singlet is well known for the superconductivity of high-temperature superconductors cuprate, but is rarely known for an electrochemical catalyst. Herein, we observe two steps of surface reconstruction from initial catalytic inactive Cu<sup>1+</sup> in hydrogen treated Cu<sub>2</sub>O to Cu<sup>2+</sup> state and further to catalytic active Zhang-Rice singlet state during the oxygen evolution reaction for water splitting. The hydrogen treated Cu<sub>2</sub>O catalyst exhibits a superior catalytic activity and stability for water splitting and is an efficient rival of other 3d-transition-metal catalysts. Multiple operando spectroscopies indicate that Zhan","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Feb","modification":"2026-07-16T20:12:01.166Z","creation":"2025-04-06T02:21:05.278Z"},"accession":"S-EPMC9892518","cross_references":{"pubmed":["36725864"],"doi":["10.1038/s41467-023-36317-2"]}}