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Two-dimensional conductive metal organic framework material and preparation method based on tricyclic quinazoline

A technology of hydroxytricyclic quinazoline and tricyclic quinazoline is applied in the field of two-dimensional conductive metal-organic framework material M32 and its preparation, and achieves the effects of mild conditions, high current density and good stability.

Active Publication Date: 2022-03-08
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, how to design and construct two-dimensional conductive metal-organic frameworks with high catalytic activity is still a great challenge.

Method used

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  • Two-dimensional conductive metal organic framework material and preparation method based on tricyclic quinazoline
  • Two-dimensional conductive metal organic framework material and preparation method based on tricyclic quinazoline
  • Two-dimensional conductive metal organic framework material and preparation method based on tricyclic quinazoline

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Experimental program
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Effect test

Embodiment 1

[0038] A two-dimensional conductive metal-organic framework material based on tricyclic quinazoline II-1 (Cu 3 (HHTQ) 2 ) preparation method, comprising the steps of:

[0039] Dissolve 33.28 mg of 2,3,7,8,12,13-hexahydroxytricyclic quinazoline I with 12 mg of copper nitrate trihydrate in 8 ml of 25% N,N-dimethylformazan In the amide aqueous solution, sonicate for 10 minutes, react at 85°C for 72 hours, cool down to room temperature, centrifuge the reaction solution at 10,000 rpm for 3 minutes, and wash the obtained solid three times with deionized water and acetone. After vacuum drying at room temperature for one day, a black powder was obtained, that is, a tricyclic quinazoline-based two-dimensional conductive metal organic framework material II-1, namely Cu 3 (HHTQ) 2 ;

[0040] The reaction formula is as follows:

[0041]

[0042] See figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 .

[0043] figure 1 It is proved that the framework material II-1 of...

Embodiment 2

[0053] A two-dimensional conductive metal-organic framework material based on tricyclic quinazoline II-2 (Ni 3 (HHTQ) 2 ) preparation method, comprising the steps of:

[0054] Dissolve 12.48 mg of 2,3,7,8,12,13-hexahydroxytricyclic quinazoline I and 22.5 mg of nickel acetate tetrahydrate in 4 mL of 25% N,N-dimethylformazan In the amide aqueous solution, sonicate for 10 minutes, react at 85°C for 72 hours, cool down to room temperature, centrifuge the reaction solution at 10,000 rpm for 3 minutes, and wash the obtained solid three times with deionized water and acetone. After vacuum drying at room temperature for one day, a black powder was obtained, that is, a tricyclic quinazoline-based two-dimensional conductive metal organic framework material II-2, Ni 3 (HHTQ) 2 ;

[0055] For the phase, purity, morphology and conductivity of a tricyclic quinazoline-based two-dimensional conductive metal organic framework material II-2 prepared in Example 2, see Figure 6-Figure 9 . ...

Embodiment 3

[0057] A preparation method of an electrocatalyst based on a tricyclic quinazoline-based two-dimensional conductive metal organic framework material and an electrochemical catalytic reduction of carbon dioxide test, the preparation of which includes the following steps:

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Abstract

The invention discloses a two-dimensional conductive metal organic framework material and a preparation method based on tricyclic quinazoline. Ion M 2+ Dissolved in a solvent, reacted to obtain a two-dimensional conductive metal-organic framework material M based on tricyclic quinazoline 3 (HHTQ) 2 (M=Cu, Ni, Co, Mn, Fe), having the structure shown in formula II: the synthesis steps of the present invention are simple and the required conditions are mild. What is obtained is a two-dimensional sheet structure with honeycomb channels, which has the advantages of high electrical conductivity, high crystallinity, and high stability.

Description

technical field [0001] The invention belongs to the field of metal organic framework materials and electrochemical energy conversion, in particular to a two-dimensional conductive metal organic framework material M based on tricyclic quinazoline 3 (HHTQ) 2 (M=Cu, Ni, Co, Mn, Fe) and its preparation method and application. Background technique [0002] Two-dimensional conductive metal-organic frameworks (2D c-MOFs) are composed of transition metal nodes (M=Cu, Co, Ni, etc.) and organic linkers with multi-vertex ortho-substituted functional groups to form MX 4 (X=O, NH, S, Se) is a kind of two-dimensional material constructed by planar geometric coordination and interconnection. 2D c-MOFs usually have many fascinating properties such as extended π-conjugated layers, regular and ordered pore structures, inherent porosity, and good electrical conductivity. The rich physical and chemical properties of 2D c-MOFs make them have great application potential in the fields of gas ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B11/085C25B3/07C25B3/26C08G83/00
CPCC08G83/008
Inventor 陈龙刘婧娟
Owner TIANJIN UNIV