Novel copper-metal organic framework material as well as preparation methods and application thereof

A metal-organic framework, a new type of technology, applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, etc., can solve problems such as intractability and poor volatility

Active Publication Date: 2018-11-13
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because rhodamine B has poor volatility and is relatively soluble in water, it is difficult to handle it with general methods, so it is necessary to find other reliable technologies and methods

Method used

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  • Novel copper-metal organic framework material as well as preparation methods and application thereof
  • Novel copper-metal organic framework material as well as preparation methods and application thereof
  • Novel copper-metal organic framework material as well as preparation methods and application thereof

Examples

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preparation example Construction

[0025] The present invention also provides a method for preparing the above-mentioned novel copper-metal organic framework material, which is characterized by comprising: preparing a copper source, 2,2'-bis(4-carboxyphenyl)hexafluoropropane in a solvent Solvothermal reaction; wherein the solvent contains DMF.

[0026] In the above preparation method, the specific conditions of the solvothermal reaction can be selected in a wide range, but in order to further improve the reaction rate and the yield of the novel copper-metal organic framework material, preferably, the solvothermal reaction satisfies the following conditions: reaction temperature It is 60-80℃, and the reaction time is 48-72h.

[0027] In the above preparation method, the amount of each material can be selected in a wide range, but in order to further improve the reaction rate and the yield of the new copper-metal organic framework material, preferably, copper source, 2,2'-bis(4 -carboxyphenyl) hexafluoropropane ...

Embodiment 1

[0039] 7.5 mg, 0.019 mmol of 2,2'-bis(4-carboxyphenyl)hexafluoropropane (H 2 L) and 24.16 mg, 0.1 mmol Cu(NO 3 ) 2 ·3H 2 O into a 10mL reaction flask, followed by DMF / H 2 O mixed solvent (volume ratio of 3:1, a total of 6 mL) was ultrasonicated at 25°C for 3-5min; then the mixed solution in the reaction flask was loaded into a stainless steel reaction kettle lined with PTFE, and the solvent was heated at 70°C Thermal reaction for 60h; finally cool down slowly, cool to room temperature (25°C) for solid-liquid separation, use the reacted mixed solution to take the supernatant, wash the solid complex for many times, and then place the complex to dry naturally at room temperature to obtain Few blue bulk crystals, yield 66.83%.

Embodiment 2

[0041] It was carried out according to the method of Example 1, except that the solvothermal reaction was carried out at 60° C. for 72 h, and the yield was 68.26%.

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Abstract

The invention discloses a novel copper-metal organic framework material as well as a preparation methods and application thereof. The molecular formula of the novel copper-metal organic framework material is {[Cu2(L<2->)2(DMF)2].(DMF)}n, wherein L<2-> is deprotonized 2,2'-bis(4-carboxyphenyl) hexafluoropropane, DMF is N,N-dimethylformamide and n is a positive integer. The novel copper-metal organic framework material has excellent photocatalytic performance and thermal stability; meanwhile, the preparation method has the characteristics of simple and convenient operation, good reproducibilityand moderate conditions, and further the novel copper-metal organic framework material can be widely applied to the photocatalytic degradation of organic dyestuff.

Description

technical field [0001] The present invention relates to organic framework materials, in particular, to a novel copper-metal organic framework material and a preparation method and application thereof. Background technique [0002] Metal-organic frameworks (MOFs) are an infinite network structure constructed by connecting organic ligands with bridging effect and inorganic metal ions that can act as metal junctions through coordination bonds. Among them, there are many kinds of organic bridging ligands, which provide a great possibility for the construction of complexes with infinite network structure. Due to the diverse structures of complexes, they are not only affected by temperature, but also by the common effects of many factors such as organic ligands and metal ions. At present, there are not many reports on the heterogeneous catalytic degradation of organic dyes and other pollutants by MOFs as photocatalysts. Therefore, the preparation of the novel copper-metal organi...

Claims

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Application Information

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IPC IPC(8): C08G83/00B01J31/22
CPCC08G83/008B01J31/2213B01J2531/0213B01J2531/16B01J2531/0241B01J35/39
Inventor 季长春尹丽贺学益杨光韩素军白秀芳盛恩宏
Owner ANHUI NORMAL UNIV
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