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Environment-friendly two-dimensional nano wall MOF material and preparation method thereof

An environment-friendly, nano-wall technology is applied in the field of preparing a terpyridine metal-organic framework two-dimensional nano-wall array structure, which can solve the problems of large environmental pollution, complicated reaction process, long time consumption, etc., and achieves increased specific surface area and catalytic performance. good, stable performance

Active Publication Date: 2020-06-23
武汉骐琳环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, there are many reports on the preparation methods of two-dimensional MOF materials, most of which are to obtain two-dimensional materials by exfoliating the three-dimensional layered structure through chemical or physical methods, but this method is difficult to control, and the exfoliation The thickness of the obtained material is not uniform, and the efficiency is low
Moreover, most of the traditional synthetic methods use organic solvents, which are very polluting to the environment; in addition, the reaction process is complex, time-consuming, and costly.

Method used

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  • Environment-friendly two-dimensional nano wall MOF material and preparation method thereof
  • Environment-friendly two-dimensional nano wall MOF material and preparation method thereof
  • Environment-friendly two-dimensional nano wall MOF material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Process (1) Take the commercially available three-dimensional porous nickel foam material, composition: nickel content 99.8%; specification size: 10mm*20mm*1mm;

[0069] Step (2): Preparation of an activated three-dimensional porous nickel foam substrate:

[0070] HCL, concentration 1mol / L, temperature 60°C, time 45min.

[0071] Step (3): Preparation of copper-cobalt bimetallic MOF material:

[0072] Step 1: Take copper sulfate pentahydrate: 10mg, cobalt chloride hexahydrate: 50mg, take deionized water: 20ml for each experiment

[0073] Step 2: Prepare a high-pressure reactor according to the above "specific implementation method".

[0074] Step 3: Synthesize the 4-phenyl terpyridine ligand according to the above "specific implementation method".

[0075] Step 4: Preparation of MOF material synthesized according to the above "specific implementation method":

[0076] Electrochemical test results:

[0077] The MOF material prepared above is used for the working elec...

Embodiment 2

[0079] Process (1) Take the commercially available three-dimensional porous nickel foam material, composition: nickel content 99.8%; specification size: 10mm*20mm*1mm;

[0080] Step (2): Preparation of an activated three-dimensional porous nickel foam substrate:

[0081] HCL, concentration 3mol / L, temperature 40°C, time 30min.

[0082] Step (3): Preparation of copper-cobalt bimetallic MOF material:

[0083] Step 1: Take copper sulfate pentahydrate: 20mg, cobalt chloride hexahydrate: 30mg, take deionized water: 20ml for each experiment

[0084] Step 2: Prepare a high-pressure reactor according to the above "specific implementation method".

[0085] Step 3: Synthesize the 4-phenyl terpyridine ligand according to the above "specific implementation method".

[0086] Step 4: Preparation of MOF material synthesized according to the above "specific implementation method":

[0087] Electrochemical test results:

[0088] The MOF material prepared above is used for the working elec...

Embodiment 3

[0090] Process (1) Take the commercially available three-dimensional porous nickel foam material, composition: nickel content 99.8%; specification size: 10mm*20mm*1mm;

[0091] Step (2): Preparation of an activated three-dimensional porous nickel foam substrate:

[0092] HCL, concentration 7mol / L, temperature 35°C, time 25min.

[0093] Step (3): Preparation of copper-cobalt bimetallic MOF material:

[0094] Step 1: Take copper sulfate pentahydrate: 35mg, cobalt chloride hexahydrate: 20mg, take deionized water: 20ml for each experiment

[0095] Step 2: Prepare a high-pressure reactor according to the above "specific implementation method".

[0096] Step 3: Synthesize the 4-phenyl terpyridine ligand according to the above "specific implementation method".

[0097] Step 4: Preparation of MOF material synthesized according to the above "specific implementation method":

[0098] Electrochemical test results:

[0099] The MOF material prepared above is used for the working elec...

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Abstract

The invention belongs to the technical field of carbon material preparation, and particularly relates to an environment-friendly method for preparing a terpyridyl metal organic framework (MOF) two-dimensional nano wall array structure. The preparation method comprises the following steps: (1) immersing a three-dimensional porous foamed nickel material substrate into a hydrochloric acid solution toobtain an activated three-dimensional porous foamed nickel material substrate; (2) dispersing copper metal salt, cobalt metal salt and a certain amount of a terpyridyl ligand into deionized water according to a certain ratio, and transferring the mixture into a polytetrafluoroethylene hydrothermal reaction kettle liner; and then, immersing the substrate into the solution to carry out a hydrothermal reaction so as to prepare the two-dimensional MOF material with a nano wall array structure. The bimetal MOF material synthesized by the method has a large current effect, and meanwhile, the provided copper-cobalt MOF material with a two-dimensional nano-wall array structure takes water as a solvent, the pH value of the solution before and after reactions is neutral, and the copper-cobalt MOF material is harmless to the environment.

Description

technical field [0001] The invention belongs to the technical field of carbon material preparation, and in particular relates to an environmentally friendly method for preparing a terpyridine metal-organic framework (MOF) two-dimensional nano-wall array structure. Background technique [0002] As early as the mid-1990s, the first class of MOFs were synthesized, but their porosity and chemical stability were not high. Therefore, scientists began to study new types of coordination polymers formed by cations, anions, and neutral ligands. At present, a large number of metal-organic framework materials have been synthesized, mainly based on carboxyl-containing organic anion ligands, or used together with nitrogen-containing heterocyclic organic neutral ligands. Most of these MOFs have high porosity and good chemical stability. In recent years, metal-organic framework (MOF) and its derivative nanomaterials have the characteristics of high porosity, large specific surface area, r...

Claims

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Application Information

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IPC IPC(8): C08G83/00
CPCC08G83/008
Inventor 王海人赵雪竹王麒钧李金华屈钧娥
Owner 武汉骐琳环保科技有限公司
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