biostudies-literatureGomez-Recio IMinisterio de Ciencia e InnovaciónEuropean Regional Development Fund15026-15039https://www.ebi.ac.uk/biostudies/studies/S-EPMC8713355biostudies-literatureUnknown11(24)A family of iron-doped manganese-related hollandites, K <i>_x</i> Mn_1-<i>y</i> Fe <i>_y</i> O_2-δ (0 ≤ <i>y</i> ≤ 0.15), with high performance in CO oxidation have been prepared. Among them, the most active catalyst, K_0.11Mn_0.876Fe_0.123O_1.80(OH)_0.09, is able to oxidize more than 50% of CO at room temperature. Detailed compositional and structural characterization studies, using a wide battery of thermogravimetric, spectroscopic, and diffractometric techniques, both at macroscopic and microscopic levels, have provided essential information about this never-reported behavior, which relates to the oxidation state of manganese. Neutron diffraction studies evidence that the above compound stabilizes ACS catalysisExceptional Low-Temperature CO Oxidation over Noble-Metal-Free Iron-Doped Hollandites: An In-Depth Analysis of the Influence of the Defect Structure on Catalytic Performance.PMC8713355MAT2017-87579-RMAT2017-82252-RRTI2018-101604-B-I00ENE2017-82451-C3-2-RHernando MCabero MGonzalez-Calbet JMParras MPortehault DGomez-Recio IJimenez DGMartinez-Arias ADelgado JJCalvino JJFernandez-Diaz MTAzor-Lafarga APan HSanchez CChen XRuiz-Gonzalez MLfalseExceptional Low-Temperature CO Oxidation over Noble-Metal-Free Iron-Doped Hollandites: An In-Depth Analysis of the Influence of the Defect Structure on Catalytic Performance.A family of iron-doped manganese-related hollandites, K <i>_x</i> Mn_1-<i>y</i> Fe <i>_y</i> O_2-δ (0 ≤ <i>y</i> ≤ 0.15), with high performance in CO oxidation have been prepared. Among them, the most active catalyst, K_0.11Mn_0.876Fe_0.123O_1.80(OH)_0.09, is able to oxidize more than 50% of CO at room temperature. Detailed compositional and structural characterization studies, using a wide battery of thermogravimetric, spectroscopic, and diffractometric techniques, both at macroscopic and microscopic levels, have provided essential information about this never-reported behavior, which relates to the oxidation state of manganese. Neutron diffraction studies evidence that the above compound stabilizes 2021-01-01T00:00:00Z2021 Dec2025-06-01T03:45:21.289Z2025-06-01T03:45:21.289ZS-EPMC87133553497643110.1021/acscatal.1c04954