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Silver coordination polymer and preparing method and application thereof

A technology of coordination polymers and ligands, applied in silver organic compounds, organic compounds/hydrides/coordination complex catalysts, organic chemical methods, etc., can solve unfavorable industrial production of products, high reaction conditions, long time, etc. problems, to achieve the effect of simple preparation process, high degradation efficiency, rapid and uniform heating

Inactive Publication Date: 2016-06-08
HUAIHAI INST OF TECH
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  • Description
  • Claims
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Problems solved by technology

Under normal circumstances, the preparation method of metal-organic complexes mostly adopts the hydrothermal method, which requires high temperature and high pressure environment, high reaction conditions, high energy consumption, and long time, which is not conducive to the industrial production of products

Method used

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  • Silver coordination polymer and preparing method and application thereof
  • Silver coordination polymer and preparing method and application thereof
  • Silver coordination polymer and preparing method and application thereof

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preparation example Construction

[0025] A kind of preparation method of silver coordination polymer comprises the following steps:

[0026] (1) Add silver nitrate, ligand L, terephthalic acid and water into a single-necked bottle in turn, stir and dissolve at room temperature, and place in a microwave reactor;

[0027] (2) Raise the temperature to 100°C within 15 minutes, and reflux at 100°C for 30 minutes, then cool down to room temperature gradually to obtain colorless blocky crystals;

[0028] (3) The product was filtered and washed with absolute ethanol to remove impurities, and then dried naturally in air to obtain the complex.

[0029] A method for preparing a silver coordination polymer, the molar ratio of the silver nitrate, 4,4'-bis(pyrazole-1-methyl)-biphenyl and terephthalic acid is: 1:1:2.

[0030] A silver coordination polymer has fluorescent properties and is used as a luminescent material; the silver coordination polymer prepared by a one-pot method has a catalytic degradation effect on methyl...

Embodiment 1

[0032] 1. the method step that a kind of silver coordination polymer prepares is as follows:

[0033] (1) Add 17.0mg of silver nitrate (0.1mmol), 31.4mg of Ligand L (0.1mmol), 33.2mg of terephthalic acid (0.2mmol) and 12mL of water into a single-necked bottle in turn, stir and dissolve at room temperature, and place In a microwave reactor;

[0034] (2) The temperature was raised to 100°C within 15 minutes, and after 30 minutes of reflux reaction at 100°C, the temperature was gradually lowered and slowly cooled to room temperature to obtain colorless block crystals;

[0035] (3) The product was filtered and washed with absolute ethanol to remove impurities, and then dried naturally in air to obtain the complex.

[0036] 2. Characterize the prepared silver coordination polymer:

[0037] (1) Powder diffraction characterization of phase purity

[0038] The X-ray powder diffraction (XRPD) spectrum of the complex is as follows figure 1As shown, where Simulated is the spectrum si...

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Abstract

The invention discloses a silver coordination polymer. The chemical formula of the silver coordination polymer is C24H20AgN4O2, 4,4'-di(parazole-1-methyl)-biphenyl is taken as the major ligand, terephthalic acid is taken as the auxiliary ligand, distilled water is taken as the solvent, the microwave heating reflux synthesis method is adopted, the first binode two-dimensional '4,4L10' topological network structure is formed, sufficient representation of the structure is achieved through elemental analysis, thermogravimetry and a single crystal X-ray diffractometer, and the luminescent property and degradation property on methyl orange dye of the structure are researched in detail too. The preparing process is simple, the yield and purity of crystals are high, high thermal stability and special luminescent property are realized, organic pollutants can be degraded through Fenton-like reaction, degradation efficiency is high, and the silver coordination polymer can serve as a catalyst and has great application prospects in the field of luminescent materials and environment protection.

Description

technical field [0001] The invention relates to a metal-organic coordination polymer material and its preparation and application, in particular to a silver coordination polymer and its preparation method and application. Background technique [0002] Metal-organic coordination polymers have attracted the attention of chemists due to their fascinating topological structures and great potential value in the fields of catalysis, luminescence, gas storage, molecular magnetism, ion exchange, etc. In view of the shortcomings of organic pollutants that are difficult to decompose naturally and have a long decomposition cycle, the application of coordination polymer catalytic materials to the degradation of organic pollutants has attracted widespread attention, and has become a green, stable and efficient environmental restoration method . In addition to using multidentate ligands and symmetric ligands to construct multidimensional spatial structures through covalent bonds, low-dim...

Claims

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Application Information

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IPC IPC(8): C07F1/10C09K11/06B01J31/22C02F1/72C02F101/34C02F101/38
CPCB01J31/1815C02F1/725C02F2101/308C07B2200/13C07F1/005C09K11/06C09K2211/188
Inventor 赵宏尹福军许兴友陈瑶崔广华
Owner HUAIHAI INST OF TECH
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