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Alkali-Metal-Promoted Pt/TiO(2) Opens a More Efficient Pathway to Formaldehyde Oxidation at Ambient Temperatures |
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| Authors: | Changbin Zhang Fudong Liu Yanping Zhai Hiroko Ariga Nan Yi Yongchun Liu Kiyotaka Asakura Maria Flytzani-Stephanopoulos Hong He |
| Institution: | Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Beijing, 100085 (China). |
| Abstract: | Addition of alkali metal ions significantly promotes the activity of the Pt/TiO(2) 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 H(2) O and catalyze the facile reaction between surface OH and formate species to total oxidation products. |
| Keywords: | alkali metals catalytic oxidation formaldehyde platinum titanium dioxide |
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