Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume 2019, Issue 46, Pages 4920-4926Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201901025
Keywords
Bimetallic complexes; Hollow nanoboxes; Metal-organic frameworks; Coordination modes
Categories
Funding
- National Natural Science Foundation of China [21476129]
- Natural Science Foundation of Shandong Province [ZR2018MB003, ZR2019MB060, ZR2017MB044]
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Bimetallic hollow nanomaterials which are composed of two different metal/metal oxide materials show great potentials owing to their unique structural features. Here, the second metal ions were introduced into the surface of ZIF-67 by ultrasonication to form bimetallic hollow complexes, and the coordination between the second metal ions and ZIF-67 colloidal crystals are further investigated. A series of bimetallic complexes has been synthesized by incorporating Fe-III, Cu-II and Ni-II into the coordinating block of ZIF-67. After calcination in oxygen, these as-prepared transformed to Fe/Cu/Ni doped Co3O4 hollow nanoboxes. We found a facile and general method to form bimetallic complexes by complexing the second metal ions with ZIF-67 surface ligands and calcining to form bimetallic hollow nanoboxes.
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