期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 31, 页码 9838-9843出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201805781
关键词
colloidal spheres; coordination polymers; electrocatalysis; plant polyphenol; sol-gel chemistry
资金
- National Science Foundation of China [21475102, 31671013, 21701130, 21705124]
- China Postdoctoral Science Foundation [2017M613102]
- Fundamental Research Funds for the Central Universities
- Young Talent Support Plan of Xi Q an Jiaotong University
A formaldehyde-assisted metal-ligand crosslinking strategy is used for the synthesis of metal-phenolic coordination spheres based on sol-gel chemistry. A range of mono-metal (Co, Fe, Al, Ni, Cu, Zn, Ce), bi-metal (Fe-Co, Co-Zn) and multi-metal (Fe-Co-Ni-Cu-Zn) species can be incorporated into the frameworks of the colloidal spheres. The formation of coordination spheres involves the pre-crosslinking of plant polyphenol (such as tannic acid) by formaldehyde in alkaline ethanol/water solvents, followed by the aggregation assembly of polyphenol oligomers via metal-ligand crosslinking. The coordination spheres can be used as sensors for the analysis of nucleic acid variants with single-nucleotide discrimination, and a versatile precursor for electrode materials with high electrocatalytic performance.
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