Journal
CHEM
Volume 6, Issue 7, Pages 1723-1741Publisher
CELL PRESS
DOI: 10.1016/j.chempr.2020.04.003
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Funding
- National Natural Science Foundation of China [21776174]
- Thousand Talent Program
- Open Foundation of the State Key Laboratory of Ocean Engineering (Shanghai Jiao Tong University of China) [1809]
- Shanghai Jiao Tong University Scientific and Technological Innovation Funds [2019QYB06]
- China Shipbuilding Industry Corporation (CSIC)
- Zhejiang Xinan Chemical Industrial Group
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, geosciences, and Biosciences Division, Catalysis Science program
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Toward the preparation of industrial metal oxide catalysts, sacrificial organic templates, excessive solvents, complex impregnation, and drying steps are generally required. Here, we report a versatile rule for the simple synthesis of highly porous metal oxides with well. dispersed noble metal species. Porous metal oxides (Co3O4, Fe-x, O-y, and Cr2O3) are obtained with some surface areas (e.g., Cr2O3: 224 m(2) g(-1)) beyond the record value. Surprisingly, small noble metal nanoparticles (e.g., Pd: 3.1 and Pt: 3.2 nm) could be incorporated by this solid-state process simultaneously. Corresponding Rh-Co3O4, Pd-FexOy, and Pt-Cr2O3 exhibit excellent performance: CH4 combustion (T-90 = similar to 360 degrees C and thermal stability: >100 h at 680 degrees C), hydrogenation of nitrobenzene and derivatives (turnover number [TON] = 2.49 x 10(4), 300 mmol per run), and reversed water gas shift (RWGS) reaction (44% CO2 conversion with similar to 98% CO selectivity and thermal stability: >100 h at 500 degrees C), respectively. Therefore, current principle via a NaCI-based solid solution could provide a solid-state, fast, and efficient route for processing metal oxide catalysts.
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