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Metal-organic framework material of Zr as well as preparation method and application thereof

A metal-organic framework and organic framework technology, which is applied in the field of zirconium metal-organic framework materials, preparation, and metal-organic coordination polymer materials, can solve sensitive problems, achieve simple process, facilitate large-scale promotion, The effect of novel structure

Active Publication Date: 2019-03-12
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main problem facing the development of this method is the choice of fluorescent material, which should be sensitive to the molecules to be detected

Method used

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  • Metal-organic framework material of Zr as well as preparation method and application thereof
  • Metal-organic framework material of Zr as well as preparation method and application thereof
  • Metal-organic framework material of Zr as well as preparation method and application thereof

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Embodiment 1

[0022] The organic ligand H 4 BCPIA (0.035 mmol) and ZrCl 4 (0.035 mmol) was mixed uniformly in 1.0 mL of DMF, added 0.2 mL of acetic acid, and sealed into a vial. Crystals of the metal-organic framework material were obtained via thermal reaction at 100° C. for 24 hours.

Embodiment 2

[0024] The organic ligand H 4 BCPIA (0.035 mmol) and ZrCl 4 (0.035 mmol) in 1.5 mL of DMF and mix well, add 0.2 mL of acetic acid, and seal it into a vial. Crystals of the metal-organic framework material were obtained via thermal reaction at 100° C. for 24 hours.

Embodiment 3

[0026] The organic ligand H 4 BCPIA (0.035 mmol) and ZrCl 4 (0.035 mmol) was mixed uniformly in 2.0 mL of DMF, added 0.2 mL of acetic acid, and sealed into a vial. Crystals of the metal-organic framework material were obtained via thermal reaction at 100° C. for 24 hours.

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Abstract

The invention discloses a metal-organic framework material of Zr as well as a preparation method and application thereof, belonging to the technical field of crystalline materials. The chemical formula of the metal-organic framework material of Zr is [Zr6O4(OH)8(HCOO)2(BCPIA)2], and H4BCPIA is an organic ligand, namely 5-(2,6-bis(4-carboxyphenyl) pyridine-4-substituted) isophthalic acid. Under a closed condition, the organic ligand 5-(2,6-bis(4-carboxyphenyl) pyridine-4-substituted) isophthalic acid and zirconium chloride undergo a thermal reaction in N,N-dimethylformamide to obtain a metal-organic framework crystal; the metal-organic framework material has larger pore size and excellent fluorescence property, and can be used as a detection material for poly-o-chlorinated dibenzodioxin.

Description

technical field [0001] The invention belongs to the technical field of crystalline materials, and the technology relates to a metal-organic coordination polymer material, in particular a metal-organic framework material of zirconium (Zr), a preparation method and an application thereof. Background technique [0002] Polychlorinated dibenzo-p-dioxins (PCDDs) are a class of persistent organic pollutants (POPs), which are widely distributed in soil and sediment. Such substances are mainly by-products of human activities such as waste incineration, the production of herbicides and preservatives, and the chlor-alkali industry. PCDDs have the characteristics of environmental persistence, bioaccumulation, long-distance migration and high toxicity. Therefore, the monitoring and control of PCDDs is extremely important. At present, the detection of PCDDs is mainly based on instrumental analysis. However, these methods generally face the problems of high detection cost, complex samp...

Claims

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Application Information

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IPC IPC(8): C09K11/06C08G83/00G01N21/64
CPCC08G83/008C09K11/06C09K2211/183G01N21/6428G01N2021/6432
Inventor 李建荣王彬吕杰谢亚勃
Owner BEIJING UNIV OF TECH
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