Journal
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
Volume 35, Issue 5, Pages 860-865Publisher
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-019-9133-2
Keywords
Metal organic framework; Heterogeneous catalyst; Molecular oxygen
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Funding
- Research Foundation of Agriculture University of Hebei for Talented Scholars, China [YJ201815]
- Scientific and Technology Fund of Agriculture University of Hebei, China [LG201817]
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The three-dimensional copper-doped zeolitic imidazolate framework ZIF-8(Cu-II/ZIF-8) was prepared by a metal ion exchange process, using reaction of three different copper salts, zinc nitrate hexahydrate[Zn(NO)(3)center dot 6H(2)O] and 2-methylimidazole(2-MeIM) under nitrogen atmosphere at the room temperature. The TEM and PXRD results indicated that the morphology of Cu-II/ZIF-8 was rhombic dodecahedron and the structure was intact after copper was doped into the porous ZIF-8. The synthesized Cu(NO3)(2)/ZIF-8 heterogeneous catalyst showed an excellent activity for the aerobic oxidation of primary alcohols employing molecular oxygen as oxidant. Moreover, the Cu(NO3)(2)/ZIF-8 heterogeneous catalyst can cycled 15 times without leaching of copper.
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