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Rare earth coordination polymer taking 2, 2'-bipyridyl as template as well as preparation method and application thereof

A coordination polymer, ‐bipyridine technology, applied in the field of rare earth complex materials, can solve the problem of less preparation of rare earth coordination polymers, and achieve the effects of easy large-scale industrial production, novel structure and high yield

Inactive Publication Date: 2014-12-03
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the preparation of rare earth coordination polymers is relatively small

Method used

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  • Rare earth coordination polymer taking 2, 2'-bipyridyl as template as well as preparation method and application thereof
  • Rare earth coordination polymer taking 2, 2'-bipyridyl as template as well as preparation method and application thereof
  • Rare earth coordination polymer taking 2, 2'-bipyridyl as template as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1 {(bpy) 0.5 [Dy 3 (ip) 4 (phen) 4 (H 2 O)]·2H 2 O} n The preparation method one

[0046] Dy(NO 3 ) 3 ·6H 2 O (0.5mmol, 288mg), isophthalic acid (0.5mmol, 83mg), 1,10-phenanthroline (1mmol, 198mg) were dissolved in 12ml of distilled water, stirred evenly, and the pH value of the reaction system was adjusted with pyridine= 8-9, then added to the reaction kettle, heated up, reacted at 160°C for 168 hours, cooled down, cooled to room temperature, filtered, washed with water, dried to obtain massive light green crystals. The resulting crystals were monochromated with graphite molybdenum target MoKa rays on the Rigaku RAXIS-RAPID single crystal X-ray diffractometer of Japan Rigaku Corporation. Diffraction data were collected at 293(2)K in ω-scan mode. The initial structure of the crystal was solved by the direct method using the SHELX-97 program, and then the coordinates of all non-hydrogen atoms were obtained by the difference Fourier synthesis method an...

Embodiment 2

[0047] Example 2 {(bpy) 0.5 [Dy 3 (ip) 4 (phen) 4 (H 2 O)]·2H 2 O} n The preparation method two

[0048] Will Dy 2 o 3 (0.25mmol, 93mg), isophthalic acid (3.75mmol, 623mg), 1,10-phenanthroline (3.75mmol, 743mg) were dissolved in 40ml distilled water and 10ml ethanol, stirred evenly, adjusted the reaction system with hydrochloric acid pH value = 6-7, then added to the reaction kettle, heated up, reacted at 80°C for 120 hours, cooled down, cooled to room temperature, filtered, washed with water, dried to obtain massive light green crystals. The resulting crystals were monochromated with graphite molybdenum target MoKα rays on the Rigaku RAXIS-RAPID single crystal X-ray diffractometer of Japan Rigaku Corporation. Diffraction data were collected at 293(2)K in ω-scan mode. The initial structure of the crystal was solved by the direct method using the SHELX-97 program, and then the coordinates of all non-hydrogen atoms were obtained by the difference Fourier synthesis met...

Embodiment 3

[0049] Example 3 {(bpy) 0.5 [Dy 3 (ip) 4 (phen) 4 (H 2 O)]·2H 2 O} n The preparation method three

[0050] Will Dy 2 (SO 4 ) 3 ·8H 2 O (0.5mmol, 379mg), isophthalic acid (.0mmol, 166mg), 1,10-phenanthroline (0.5mmol, 99mg) were dissolved in 10ml of distilled water and 5ml of methanol, stirred evenly, and washed with sodium hydroxide solution Adjust the pH value of the reaction system to 7~8, then add it to the reaction kettle, heat up, and react at 130°C for 240 hours, then gradually lower the temperature, cool to room temperature, filter, wash with water, and dry to obtain blocky light green crystals . The resulting crystals were monochromated with graphite molybdenum target MoKα rays on the Rigaku RAXIS-RAPID single crystal X-ray diffractometer of Japan Rigaku Corporation. Diffraction data were collected at 293(2)K in ω-scan mode. The initial structure of the crystal was solved by the direct method using the SHELX-97 program, and then the coordinates of all non...

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Abstract

The invention relates to a rare earth organic coordination polymer as well as a preparation method and an application thereof. A chemical formula of the rare earth organic coordination polymer is {(bpy)0.5[Dy3(ip)4(phen)4(H2O)].2H2O}n, wherein bpy is 2, 2'-bipyridyl; ip is an isophthalic acid divalent anion; phen is 1, 10-o-phenanthroline; and n is degree of polymerization. The rare earth organic coordination polymer adopts a water or solvent thermal synthesis method and has the advantages of environmental friendliness, simplicity and easiness, low cost, high yield and easiness for large-scale industrial production. The prepared rare earth organic coordination polymer has good application prospect in the fields such as light emitting, catalysis, adsorption, magnetism, ion exchange, high molecular material assistants and the like.

Description

technical field [0001] The present invention relates to a rare earth complex material, in particular to a rare earth coordination polymer with 2,2'-bipyridine as a template, in particular to 2,2'-bipyridine as a template, with isophthalic acid dianion and 1,10-phenanthroline as a ligand rare earth coordination polymer and its preparation method. The prepared rare-earth coordination polymer has good application prospects in the fields of luminescence, catalysis, adsorption, magnetism, ion exchange, polymer material additives and the like. Background technique [0002] Coordination polymer refers to a metal organic framework polymer with a one-dimensional, two-dimensional or three-dimensional infinite periodic network structure formed by the self-assembly of metal ion centers and organic ligands. At the same time, such compounds are also called: Inorganic-Organic Hybrid Materials (Inorganic-Organic Hybrid Materials) or Metal-Organic Frameworks (Metal-Organic Frameworks, MOFs)...

Claims

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Application Information

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IPC IPC(8): C07F5/00C09K11/06
Inventor 江焕峰蔡博伟郑德任颜卫陈俊戚朝荣钱玉英史大斌
Owner SOUTH CHINA UNIV OF TECH