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A Photoactivated Cu–CeO2 Catalyst with Cu-[O]-Ce Active Species Designed through MOF Crystal Engineering |
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| Authors: | Dr Feifan Wang Jie Tian Dr Mengzhu Li Dr Weizhen Li Dr Lifang Chen Xiaozhi Liu Dr Jian Li Aidaer Muhetaer Prof Dr Qi Li Prof Dr Yuan Wang Prof Dr Lin Gu Prof Dr Ding Ma Prof Dr Dongsheng Xu |
| Institution: | 1. Beijing National Laboratory for Molecular Sciences, State Key laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871 China;2. Beijing National Laboratory for Molecular Sciences, State Key laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871 China
Current address: Beijing Institute of Aerospace Testing Technology, Beijing, 100048 China These authors contributed equally to this work.;3. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190 China |
| Abstract: | Fully utilizing solar energy for catalysis requires the integration of conversion mechanisms and therefore delicate design of catalyst structures and active species. Herein, a MOF crystal engineering method was developed to controllably synthesize a copper–ceria catalyst with well-dispersed photoactive Cu-O]-Ce species. Using the preferential oxidation of CO as a model reaction, the catalyst showed remarkably efficient and stable photoactivated catalysis, which found practical application in feed gas treatment for fuel cell gas supply. The coexistence of photochemistry and thermochemistry effects contributes to the high efficiency. Our results demonstrate a catalyst design approach with atomic or molecular precision and a combinatorial photoactivation strategy for solar energy conversion. |
| Keywords: | Energiekonversion Heterogene Katalyse Metallorganische Gerüste Nanopartikel Photokatalyse |