期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 50, 页码 16416-16420出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201810268
关键词
decomposition; heterogeneous catalysis; iron; metal-organic frameworks; ozone
资金
- Beijing Natural Science Foundation [2184121]
- National Natural Science Foundation of China [21625102, 21471018, 21490570, 21674012, 21673019]
- National Natural Science Foundation of the Youth Project [41602159]
- Beijing Municipal Science and Technology Project [Z181100004418001]
- Fundamental Research Funds for the Central Universities
- Beijing Institute of Technology Research Fund Program
We present an iron-containing metal-organic framework, MIL-100(Fe), for ozone removal. MIL-100(Fe) exhibits long-lasting ozone conversion efficiency of 100% for over 100 h under a relative humidity of 45% and space velocity of 1.9x10(5)h(-1) at room temperature, which is well beyond the performance of most porous or metal catalysts such as activated carbon and alpha-MnO2. We also investigated the impact of humidity level and elucidated the plausible reaction mechanism, which is further confirmed by DFT calculations. Furthermore, MIL-100(Fe) can be processed into films and used as filtration layer in a mask to protect personnel against ozone contamination. This study demonstrates the promising potential of MOFs in ozone pollution control, and also offers new insights for the design of ozone decomposition catalysts.
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