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Magnesium-doped metal-organic frame DMMg0.5Co0.5F single-crystal material and preparation method thereof

An organic framework, single crystal material technology, applied in organic chemistry and other directions, can solve the problem of unreported preparation methods of single crystal materials, and achieve the effects of easy operation, high product purity, and strong process controllability

Active Publication Date: 2015-06-24
杭州萧河新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, a Mg-doped [(CH 3 ) 2 NH 2 ]Co(HCOO) 3 Single crystal materials and their preparation methods have not been reported

Method used

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  • Magnesium-doped metal-organic frame DMMg0.5Co0.5F single-crystal material and preparation method thereof
  • Magnesium-doped metal-organic frame DMMg0.5Co0.5F single-crystal material and preparation method thereof
  • Magnesium-doped metal-organic frame DMMg0.5Co0.5F single-crystal material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 2.5 mmol of magnesium chloride and cobalt chloride according to the molar ratio of 1:1, dissolve them in 15 mL of distilled water with 15 mL of N,N-dimethylformamide (DMF), and stir to fully dissolve; DMF and distilled water The volume ratio is 1:1. This mixed solution is packed in the reactor, and it is heated to 140 ℃ to react after sealing, and is incubated 60 hours, then naturally cools to room temperature. Take out the saturated supernatant after reaction with a pipette and put it into the beaker cleaned in step (1), and then put the beaker into a constant temperature and humidity chamber; set a 30-stage cooling curve, and the temperature range is 28-22° C, the temperature difference of each section is 0.5°C, and the temperature interval of each section is kept warm for 2.5 hours, and the humidity is 50%. The crystal particles at the bottom of the beaker were washed 3 times with absolute ethanol, and dried under vacuum at 60°C for 10 minutes to obtain transp...

Embodiment 2

[0028] As in Example 1, weigh 2.5 mmol of magnesium chloride and cobalt chloride according to the molar ratio of 1:1, dissolve them in 15 mL of distilled water with 15 mL of N,N-dimethylformamide (DMF), stir to fully dissolve ; The volume ratio of DMF to distilled water is 1:1. This mixed solution is packed in the reactor, and it is heated to 140 ℃ to react after sealing, and is incubated 65 hours, then naturally cools to room temperature. Take out the saturated clear liquid after reaction with a pipette and put it into the beaker cleaned in step (1), and then put the beaker into a constant temperature and humidity chamber; set a 30-stage cooling curve, and the temperature range is 28-22° C, the temperature difference of each section is 0.5°C, and the temperature interval of each section is kept warm for 3 hours, and the humidity is 45%. The crystal particles at the bottom of the beaker were washed 3 times with absolute ethanol, and dried under vacuum at 60°C for 10 minutes t...

Embodiment 3

[0030] As in Example 1, weigh 2.5 mmol of magnesium chloride and cobalt chloride according to the molar ratio of 1:1, dissolve them in 15 mL of distilled water with 15 mL of N,N-dimethylformamide (DMF), stir to fully dissolve ; The volume ratio of DMF to distilled water is 1:1. This mixed solution is packed in the reactor, and it is heated to 135 ℃ to react after sealing, and is incubated 65 hours, then naturally cools to room temperature. Take out the saturated clear liquid after reaction with a pipette and put it into the beaker cleaned in step (1), and then put the beaker into a constant temperature and humidity chamber; set a 30-stage cooling curve, and the temperature range is 28-22° C, the temperature difference of each section is 0.5°C, and the temperature interval of each section is kept warm for 2.5 hours, and the humidity is 45%. The crystal particles at the bottom of the beaker were washed 3 times with absolute ethanol, and dried under vacuum at 60°C for 10 minutes...

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Abstract

The invention discloses a magnesium-doped metal-organic frame DMMg0.5Co0.5F single-crystal material and a preparation method thereof. The magnesium-doped metal-organic frame DMMg0.5Co0.5F single-crystal material is composed of a DMMg0.5Co0.5F single crystal with the size of 2.0*2.0*1.0-2.5*2.5*1.5 mm<3>, wherein the mol ratio of a magnesium ion to a cobalt ion in the compound is 1:1. The used reagent is a business product and is not prepared through a tedious preparation; a novel metal-organic frame single-crystal material and a large single crystal can be obtained through the combination of a hydrothermal method and a liquid phase method; and the process is strong in controllability and easy to operate and the purity of the obtained product is high. The magnesium-doped DMCoF single-crystal material obtained from the invention is expected to be widely used in a novel metal-organic frame semiconductor, information storage and an optical apparatus.

Description

technical field [0001] The present invention relates to a magnesium-doped metal-organic framework single crystal material and a preparation method thereof, in particular to a Mg-doped [(CH 3 ) 2 NH 2 ]Co(HCOO) 3 Single crystal material (abbreviated as DMMg 0.5 co 0.5 F, DM is [(CH 3 ) 2 NH 2 ] +1 , F is [(HCOO) 3 ] -3 ) and its preparation method. technical background [0002] Metal-Organic Frameworks (MOFs) materials have attracted widespread attention due to their potential applications in catalysis, hydrogen storage, and optical components, and are currently a hot spot in the field of new functional materials research. Due to the advantages of flexible preparation, flexible framework, easy tailoring, and easy formation of highly anisotropic and low lattice symmetry structures, people have tried to combine ferroelectric organic compounds with magnetic transition metal ions in recent years to design Novel multiferroic materials based on metal-organic hybrids. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F19/00
Inventor 陈谦
Owner 杭州萧河新材料科技有限公司
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