期刊
RSC ADVANCES
卷 7, 期 88, 页码 55920-55926出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra12378g
关键词
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资金
- National Natural Science Foundation of China [21503024]
- Jiangsu Province Science Foundation for Youth [BK20150264, BK20150261]
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology [BM2012110]
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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