双金属片
催化作用
材料科学
化学工程
氧化物
甲醇
结晶
金属有机骨架
过渡金属
丙酮
甲苯
无机化学
化学
有机化学
吸附
冶金
工程类
作者
Qingyue Wang,Zhimin Li,Miguel Á. Bañares,Lu‐Tao Weng,Qinfen Gu,Jason R. Price∥,Wei Han,King Lun Yeung
出处
期刊:Small
[Wiley]
日期:2019-08-25
卷期号:15 (42)
被引量:54
标识
DOI:10.1002/smll.201903525
摘要
Abstract Mixed transition metal oxides (MTMOs) have enormous potential applications in energy and environment. Their use as catalysts for the treatment of environmental pollution requires further enhancement in activity and stability. This work presents a new synthesis approach that is both convenient and effective in preparing binary metal oxide catalysts (CeCuO x ) with excellent activity by achieving molecular‐level mixing to promote aliovalent substitution. It also allows a single, pure MTMO to be prepared for enhanced stability under reaction by using a bimetallic metal–organic framework (MOF) as the catalyst precursor. This approach also enables the direct manipulation of the shape and form of the MTMO catalyst by controlling the crystallization and growth of the MOF precursor. A 2D CeCuO x catalyst is investigated for the oxidation reactions of methanol, acetone, toluene, and o ‐xylene. The catalyst can catalyze the complete reactions of these molecules into CO 2 at temperatures below 200 °C, representing a significant improvement in performance. Furthermore, the catalyst can tolerate high moisture content without deactivation.
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