{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(21)"],"submitter":["Chen X"],"funding":["Hitachi"],"pubmed_abstract":["An atomic scale understanding of the surface degradation mechanism during cathodic corrosion of a platinum electrode is still lacking. Here, we present results of surface structural changes observed during cathodic polarization of a polycrystalline Pt electrode and single crystalline Pt(111) in acid electrolytes in the absence and presence of cations (Na<sup>+</sup>) by <i>in situ</i> electrochemical atomic force microscopy (EC-AFM) imaging. The electrolyte cation is proved to be a prerequisite to trigger cathodic etching of the polycrystalline Pt surface. Further examination of the evolution of electrochemical signals and distinct surface structural transformations of an atomically defined Pt(111) single-crystal electrode during cathodic corrosion reveals clearly that the roughening proce"],"journal":["The journal of physical chemistry letters"],"pagination":["4997-5003"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10240529"],"repository":["biostudies-literature"],"pubmed_title":["<i>In Situ</i> EC-AFM Study of the Initial Stages of Cathodic Corrosion of Pt(111) and Polycrystalline Pt in Acid Solution."],"pmcid":["PMC10240529"],"pubmed_authors":["Koper MTM","Chen X"],"additional_accession":[]},"is_claimable":false,"name":"<i>In Situ</i> EC-AFM Study of the Initial Stages of Cathodic Corrosion of Pt(111) and Polycrystalline Pt in Acid Solution.","description":"An atomic scale understanding of the surface degradation mechanism during cathodic corrosion of a platinum electrode is still lacking. Here, we present results of surface structural changes observed during cathodic polarization of a polycrystalline Pt electrode and single crystalline Pt(111) in acid electrolytes in the absence and presence of cations (Na<sup>+</sup>) by <i>in situ</i> electrochemical atomic force microscopy (EC-AFM) imaging. The electrolyte cation is proved to be a prerequisite to trigger cathodic etching of the polycrystalline Pt surface. Further examination of the evolution of electrochemical signals and distinct surface structural transformations of an atomically defined Pt(111) single-crystal electrode during cathodic corrosion reveals clearly that the roughening proce","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jun","modification":"2025-04-04T14:40:21.616Z","creation":"2025-04-04T14:40:21.616Z"},"accession":"S-EPMC10240529","cross_references":{"pubmed":["37222413"],"doi":["10.1021/acs.jpclett.3c00579"]}}