Preparation method of nitrogen-rich covalent organic framework material connected by fully conjugated carbon-carbon double bonds

Abstract

The invention discloses a preparation method of a nitrogen-rich covalent organic framework material connected by full conjugated carbon-carbon double bonds, and relates to the technical field of covalent organic framework material preparation. The method comprises the following steps: adding 1,3,5-trimethyl-2,4-dicyanopyridine, 2,4,6-tris(p-aldehyde phenyl)-1,3,5-triazine, anhydrous piperidine andanhydrous N,N-dimethylformamide into a pressure bottle, carrying out a reaction of the materials by heating under argon gas protection, collecting a solid by a vacuum filtration method after the reaction is completed, washing the solid with dichloromethane and water, and collecting the solid and then performing vacuum drying for 24 h to obtain a yellow solid product, namely the nitrogen-rich covalent organic framework material connected by full conjugated carbon-carbon double bonds. The preparation method has the advantages of simple equipment, convenient operation, simple and easy synthesissteps and low cost, and the prepared material has a regular pore structure, rich active sites, and efficient electron conduction capability.

Description

technical field [0001] The invention relates to the technical field of preparation of covalent organic framework materials, in particular to a preparation method of nitrogen-rich covalent organic framework materials connected by fully conjugated carbon-carbon double bonds. Background technique [0002] Flexible micro energy storage devices have great application prospects in the fields of wearable or implantable electronic devices. Among various such devices, flexible micro-supercapacitors are considered as a potential micro-power source due to their high power density, long-term cycle stability, excellent rate performance, and fast frequency response characteristics. At present, a variety of active materials such as carbon materials, metal compounds, and polymers are widely used to prepare micro-supercapacitor electrodes. To further improve the performance of micro-supercapacitors, the development of new materials with abundant active sites and efficient electron conductio...

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is that the current covalent organic framework materials do not have the ability to enrich active sites and high-efficiency electron conduction, and the preparation method is complicated and the cost is high.

Images