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Preparation of phenazine-connecting two-dimensional covalent organic framework material of novel structure

A technology of covalent organic framework and new structure, which is applied in the field of preparation of phenazine-linked two-dimensional covalent organic framework materials, can solve the problems of limited practical application, lack of π-π conjugation and chemical stability, etc., and achieves convenient operation. , the effect of simple preparation process

Inactive Publication Date: 2019-08-13
HARBIN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, some typical 2D covalent organic frameworks linked by imine bonds lack intra-sheet π-π conjugation and chemical stability, which limits their practical applications.

Method used

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  • Preparation of phenazine-connecting two-dimensional covalent organic framework material of novel structure
  • Preparation of phenazine-connecting two-dimensional covalent organic framework material of novel structure
  • Preparation of phenazine-connecting two-dimensional covalent organic framework material of novel structure

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specific Embodiment approach 1

[0015] Specific embodiment 1: In this embodiment, two kinds of reaction monomers, two kinds of organic solvents and one kind of reaction environment regulator are added in a closed and vacuum test tube, and the phenazine of the new structure is synthesized by solvothermal method. frame material.

specific Embodiment approach 2

[0016] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the reaction monomers are triphenylene-2,3,6,7,10,11-hexaamine hexahydrochloride and hexaketone cyclohexane Hydrate, the mass ratio of triphenylene-2,3,6,7,10,11-hexaamine hexahydrochloride to hexaketonecyclohexane octahydrate is 25.5mg:25.0mg.

specific Embodiment approach 3

[0017] Embodiment 3: The difference between this embodiment and Embodiments 1 to 2 is that the organic solvent is a mixture of 1,4-dioxane and 1,3,5-mesitylene, and the 1,4- The volume ratio of dioxane to 1,3,5-mesitylene is 1.5mL:1.5mL;

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Abstract

The invention discloses a preparation method of a phenazine-connecting two-dimensional covalent organic framework material of a novel structure. The synthesized phenazine-connecting two-dimensional covalent organic framework material of the novel structure has a highly planar rigid structure in a graphene-like single layer, and is also highly conjugated between layers. A synthesis method is a solvothermal method and is easy and safe to operate, the reaction is a molecular level reaction, and the synthesized product is more ordered and more stable. According to the method, triphenylene-2,3,6,7,10,11-hexaaminotriphenylene and hexaketocyclohexane octahydrate serve as raw materials, 1,4-dioxane and 1,3,5-mesitylene serve as organic solvents, and the phenazine-connecting two-dimensional covalent organic framework material of the novel structure is successfully prepared through the solvothermal method under the condition that acetic acid is used for adjusting the acid environment.

Description

technical field [0001] The invention relates to the preparation of a novel structure of a phenazine-linked two-dimensional covalent organic framework material. Background technique [0002] The design, preparation and research of the relationship between structure and performance of new materials have always been the frontier fields of materials science, chemistry and physics. Since its discovery, graphene has shown potential application prospects in the field of optoelectronics due to its single-atom thickness and unique two-dimensional planar structure, semi-metallic energy band structure and high carrier mobility. Semiconductor-based new electronic materials in the post-Moore's Law era. However, the zero bandgap of graphene limits its practical application. Designing and preparing new graphene-like materials with adjustable bandgap has become another hot spot in materials science, chemistry, physics and other disciplines in recent years. Two-dimensional covalent organic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G73/06
CPCC08G73/0694
Inventor 杨照地杨春花
Owner HARBIN UNIV OF SCI & TECH
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