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Three-dimensional azide copper coordination polymer magnetic material, preparation and use thereof

A technology of magnetic materials and compounds, applied in the field of three-dimensional copper coordination compounds and preparation, to achieve the effect of good application prospects

Inactive Publication Date: 2010-09-15
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is very challenging to design and construct such molecular-based magnetic materials with special structures and properties.

Method used

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  • Three-dimensional azide copper coordination polymer magnetic material, preparation and use thereof
  • Three-dimensional azide copper coordination polymer magnetic material, preparation and use thereof
  • Three-dimensional azide copper coordination polymer magnetic material, preparation and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Synthesis of three-dimensional copper azide coordination compound A:

[0022] The organic ligand, 2-(1-imidazole) sodium acetate (0.2 mmol), copper nitrate (0.4 mmol) and sodium azide (0.2 mmol) were dissolved in water and stirred for several minutes, then sealed in a hydrothermal axe. After two days of heat preservation at 120° C., the temperature was programmatically cooled to room temperature to obtain the crystal of the three-dimensional copper azide coordination compound magnetic material.

Embodiment 2

[0024] Synthesis of three-dimensional copper azide coordination compound B:

[0025] The organic ligand, 2-(1-imidazole) sodium acetate (0.2 mmol), copper nitrate (0.3 mmol) and sodium azide (0.2 mmol) were dissolved in water and stirred for several minutes, then sealed in a hydrothermal axe. After being kept at 130° C. for two days, the temperature was programmed to cool down to room temperature to obtain massive crystals.

Embodiment 3

[0027] Synthesis of three-dimensional copper azide coordination compound C:

[0028] Slowly filter 0.03mol / L organic ligand 2-(1-imidazole) sodium acetate and 0.06mol / L sodium azide aqueous solution into a test tube; then filter into a mixed solvent with a volume ratio of water and methanol of 1:1 to separate layers; finally 0.03mol / L methanol solution of copper nitrate was filtered in, and three-dimensional copper azide coordination compound magnetic material crystals were obtained after two weeks.

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Abstract

The invention relates to a three dimensional azido-copper coordination polymer magnetic material, a preparation method and the application thereof. The copper coordination polymer is composition having the network structure of (3, 6) connection rutile three dimensional topology, has the property of molecule ferromagnetism, and has the chemical formula of CuL<1>N3 (wherein, L<1> is 2-(1-imidazole)acetic acid anion with 1 valent state). The preparation method comprises the steps that organic ligand 2-(1-imidazole) sodium acetate, cupric nitrate and sodium azide have hydro-thermal reaction in the water to obtain lump monocrystal; or the organic ligand 2-(1-imidazole) sodium acetate and the aqueous solution of the sodium azide are slowly filtered into a test tube; mixed solvent with the volume ratio of 1:1 between water and methanol is filtered to be stratified; finally, cupric nitrate methanol solution with certain concentration is filtered, and green lump monocrystal is obtained after two weeks. Greater ferromagnet coupling action exists between dicaryon coppers of the composition which can be used as molecule-based magnetic material, thereby having great application value in the field of materials science.

Description

【Technical field】 [0001] The invention belongs to the technical field of synthesis of molecular-based materials, and relates to metal-organic coordination compound materials, in particular to a three-dimensional copper coordination compound and its preparation method and application. [0002] The copper coordination compound is a compound containing a three-dimensional (3,6) connected rutile topological network structure and has a ferromagnetic function. 【Background technique】 [0003] In recent years, the design and synthesis of molecular-based materials with specific structures and physical functions has attracted great interest (You Xiaozeng, Molecular Materials-Photoelectric Functional Compounds, Shanghai Science and Technology Press, 2001; Zhu Daoben, Progress in Chemistry of Functional Materials, Chemistry Industry Press, 2005; Hong Maochun, Chen Rong, Liang Wenping, Inorganic Chemistry in the 21st Century, Science Press, 2005; Larsson, K. Molecule-Based Materials: The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F1/08H01F1/42
Inventor 卜显和胡博文赵炯鹏杨乾肖灿
Owner NANKAI UNIV
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