单宁酸
金属
材料科学
水溶液中的金属离子
配位复合体
配体(生物化学)
化学
甲醛
化学工程
电催化剂
无机化学
复合数
碳纤维
有机化学
电极
电化学
复合材料
物理化学
受体
工程类
生物化学
作者
Jing Wei,Gen Wang,Feng Chen,Min Bai,Yan Liang,Huanting Wang,Dongyuan Zhao,Yongxi Zhao
标识
DOI:10.1002/anie.201805781
摘要
Abstract 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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