MOF derived mesoporous K-ZrO2 with enhanced basic catalytic performance for Knoevenagel condensations
MOF derived mesoporous K-ZrO2 with enhanced basic catalytic performance for Knoevenagel condensations
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MOF 衍生的介孔 K-ZrO2 具有增强的 Knoevenagel 缩合基本催化性能
DOI:
10.1039/c7ra12378g
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发表时间:
2017-12
期刊:
影响因子:
3.9
通讯作者:
wang peng
中科院分区:
文献类型:
--
作者:
wang peng
Mesoporous K-ZrO2 are designed and synthesized through a direct heat-treatment process of a KNO3 loaded UiO-66 metal organic framework. Very interestingly, the carbon intermediates formed during the heat-treatment process can act both as mesoporous templates and base-resistant reinforcement for zirconia. The resultant mesoporous K-ZrO2 catalysts with high surface area show excellent catalytic performance in Knoevenagel condensations, especially for substrates with large molecular size. The mesoporous KZ also show enhanced activity when compared to KZ synthesized from traditional zirconium hydroxides. To the best of our knowledge, this is the first synthesis of a metal-oxide type solid base with a MOF precursor.
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