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Cadmium metal organic complex with fluorescence property as well as preparation method and application thereof

A technology of organic complexes and cadmium metal, which is applied in the field of cadmium metal organic complexes and its preparation, can solve problems such as difficult control, difficult control and prediction of network structure, and achieve convenient operation, high yield and reproducibility Good results

Active Publication Date: 2018-10-09
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] 4,4'-dipyridyl diphenyl ether has a V-shaped structure. During the process of mixing with terephthalic acid, the network structure of the organic complex formed by its assembly is not easy to control and predict, and it is difficult to control the conditions of the reaction. Synthesis target coordination polymer
At present, there is no report on metal-organic complexes synthesized by using these two ligands and cadmium ions.

Method used

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  • Cadmium metal organic complex with fluorescence property as well as preparation method and application thereof
  • Cadmium metal organic complex with fluorescence property as well as preparation method and application thereof
  • Cadmium metal organic complex with fluorescence property as well as preparation method and application thereof

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Embodiment 1

[0033]A method for preparing the fluorescent cadmium metal organic complex proposed by the present invention comprises the following steps: adding terephthalic acid, 4,4'-dipyridyl diphenyl ether and cadmium salt into N,N' -In the mixed solution of dimethylformamide and water, stir evenly, put it in a stainless steel reaction kettle with polytetrafluoroethylene liner, react at 110°C for 40h, after the reaction is completed, cool, filter, wash and dry to obtain the The above-mentioned fluorescent metal-organic complexes of cadmium.

Embodiment 2

[0035] A method for preparing the fluorescent cadmium metal organic complex proposed by the present invention comprises the following steps: adding terephthalic acid, 4,4'-dipyridyl diphenyl ether and cadmium salt into N,N' - In the mixed solution of dimethylformamide and water, stir evenly, place it in a stainless steel reaction kettle with a polytetrafluoroethylene liner, react at 90°C for 72h, cool, filter, wash and dry after the reaction to obtain the The above-mentioned fluorescent metal-organic complexes of cadmium.

Embodiment 3

[0037] A kind of preparation method of the described fluorescent cadmium metal organic complex that the present invention proposes, comprises the following steps: with 0.1mmol terephthalic acid, 0.1mmol 4,4'-dipyridyl diphenyl ether and 0.2mmol nitric acid Cadmium was added to a mixed solution of 15ml N,N'-dimethylformamide and water, wherein the volume ratio of N,N'-dimethylformamide to water was 1:1, stirred evenly and placed in polytetrafluoroethylene In a stainless steel reactor with an ethylene liner, react at 100° C. for 45 hours. After the reaction, cool, filter, wash, and dry to obtain the fluorescent cadmium metal-organic complex.

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Abstract

The invention discloses a cadmium metal organic complex with fluorescence property as well as a preparation method and application thereof. The complex has a chemical formula of [Cd3(BPDPE)(BDC)3.(DMF)2]2.DMF.2H2O, wherein the BPDPE is 4,4'-dipyridyl diphenyl ether, and the BDC is terephthalic acid anion. The complex belongs to an orthorhombic system, Pbcn space groups, and cell parameters are that a is equal to 11.5580 (11) angstroms, b is equal to 16.8150 (15) angstroms, c is equal to 55.775 (5) angstroms, alpha is equal to 90 degrees, beta is equal to 90 degrees, gamma is equal to 90 degrees, and V is equal to 10256.7 (17) angstroms<3>. The preparation method of the cadmium metal organic complex with fluorescence property provided by the invention is simple in operation, high in yield and excellent in reproducibility, and the prepared cadmium organic complex is stable in structure at a room temperature, has excellent fluorescence property, and is capable of detecting metal ions andsmall organic molecules.

Description

technical field [0001] The invention relates to the technical field of complexes, in particular to a fluorescent cadmium metal organic complex, a preparation method and application thereof. Background technique [0002] The design and synthesis of metal-organic complexes has become a hot spot in coordination chemistry because of their novel structures, ordered units, and interesting optical, magnetic, and catalytic properties. At present, metal-organic complexes have been widely used in molecular devices, gas storage and separation, pollutant adsorption, catalysis and other fields. In the preparation process of metal-organic complexes, the configuration of the ligand plays a crucial role in the final structure of the complex. Several arms of the V-type ligand can be slightly twisted around the central point to meet the coordination requirements. The demand for complexes that may be different from rigid and flexible ligands has attracted much attention in recent years. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F3/08C09K11/06G01N21/64
CPCC07B2200/13C07F3/003C09K11/06C09K2211/188G01N21/6428G01N2021/6432
Inventor 胡劲松程小飞程婷婷
Owner ANHUI UNIV OF SCI & TECH
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