期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 7, 期 42, 页码 24211-24216出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta08740k
关键词
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资金
- National Natural Science Foundation of China [51402100, 21825201, 21573066, 21701043, 21805080]
- Provincial Natural Science Foundation of Hunan [2016TP1009]
- Open Project Program of Key Laboratory of Low Dimensional Materials & Application Technology (Xiangtan University), Ministry of Education, China [KF20180202]
High entropy materials (HEMs) are attracting significant attention due to their unique structure and unprecedented application potential in many fields. Herein, a novel low temperature strategy for preparing high entropy (Co, Cu, Fe, Mn, Ni)(3)O-4 oxides with a single-phase, the Fd3m spinel structure, is developed via solvothermal synthesis followed by annealing. This is the first time that high entropy oxides were fabricated successfully at low temperature. The as-prepared high entropy oxides possess five highly dispersed metal species, and the average particle size is approximately 5 nm, which is the smallest nanometer size of the high entropy oxides that has been reported so far. By considering their unique physical and chemical properties, the resultant high entropy oxides exhibit an excellent performance for water oxidation. Hence, this work provides a new synthetic strategy for high entropy oxides to solve the bottlenecks encountered by traditional methods and broaden their application areas.
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