Alkali‐Metal‐Promoted Pt/TiO<sub>2</sub> Opens a More Efficient Pathway to Formaldehyde Oxidation at Ambient Temperatures
Changbin Zhang(Research Center for Eco-Environmental Sciences), Fudong Liu(Research Center for Eco-Environmental Sciences), Yanping Zhai(Tufts University), Hiroko Ariga(Hokkaido University), Nan Yi(Tufts University), Yongchun Liu(Chinese Academy of Sciences), Kiyotaka Asakura(Hokkaido University), Maria Flytzani‐Stephanopoulos(Research Center for Eco-Environmental Sciences), Hong He(Tufts University)
Cited by 728
Abstract
Addition of alkali metal ions significantly promotes the activity of the Pt/TiO2 catalyst for the HCHO oxidation reaction by stabilizing an atomically dispersed Pt-O(OH)x alkali metal species and opening a new low-temperature reaction pathway. The atomically dispersed Na-Pt-O(OH)x species can effectively activate H2O and catalyze the facile reaction between surface OH and formate species to total oxidation products.
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