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Cadmium coordination polymer and preparation method and application thereof

A technology of cadmium coordination polymers and ligands, applied in the field of cadmium coordination polymers and its preparation, to achieve the effects of high phase purity, simple process and easy implementation

Active Publication Date: 2014-02-19
NANKAI UNIV
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Problems solved by technology

However, it is very challenging to design and construct such crystalline materials with special structures and properties, especially materials with good luminescent properties.

Method used

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  • Cadmium coordination polymer and preparation method and application thereof
  • Cadmium coordination polymer and preparation method and application thereof
  • Cadmium coordination polymer and preparation method and application thereof

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Embodiment

[0020] A preparation method of the cadmium coordination polymer, comprising the following steps:

[0021] 1) Combine 15.5 mg (0.05 mmol) of the organic ligand 2,4,6-tris(4-pyridyl)triazine (tpt), 23.7 mg (0.1 mmol) of terephthalic acid (PTA) and 30.8 mg ( 0.1 mmol) of cadmium nitrate tetrahydrate was added to a mixed solvent consisting of 5 milliliters of N,N-dimethylformamide (DMF), 5 milliliters of ethanol and 5 milliliters of water and mixed uniformly;

[0022] 2) Seal the mixture obtained above at 100 o Under ℃, carry out solvothermal reaction, and reaction time is 72 hours, obtains strip white crystal after natural cooling to room temperature;

[0023] 3) The above white crystals were washed with N,N-dimethylformamide (DMF) and dried to prepare the cadmium coordination polymer.

[0024] figure 1 It is the thermal analysis diagram of the cadmium coordination polymer after enclosing the guest, which shows that the decomposition temperature of the coordination framework ...

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Abstract

The invention discloses a cadmium coordination polymer. The chemical formula of the cadmium coordination polymer is C60H36Cd3N12O17, 2,4,6-three(4-pyridyl) triazine serves as the main ligand of the cadmium coordination polymer, terephthalic acid serves as the auxiliary ligand of the cadmium coordination polymer, mixed liquor of N, N-dimethylformamide, ethyl alcohol and water serves as the solution, and accordingly a triple-interpenetrating three-dimensional 'tfz' topology network structure with an inner sealed hole is formed. The cadmium coordination polymer is prepared through the solvothermal method. The cadmium coordination polymer has the advantages that the coordination frame is high in thermal stability and water stability, and the light emitting performance of the cadmium coordination polymer can be controlled by packaging guest molecules with different functions. The manufacturing method of the cadmium coordination polymer has the advantages that the technology is simple in process and easy to apply, the crystal yield and purity are high, and the cadmium coordination polymer has good application prospect in the field of material science as an energy converter and a solid light-emitting material.

Description

technical field [0001] The invention relates to a metal-organic coordination polymer material, especially a cadmium coordination polymer and its preparation method and application. Background technique [0002] In recent years, the construction of coordination polymer materials with novel pore structures through the coordination of metal ions and organic multifunctional ligands has attracted great interest. Not only because they have a novel and exquisite topological network structure, but also mainly because they can exhibit specific optical, electrical, magnetic, catalytic, and adsorption-separation properties or functions, see: Yaghi, O. M.; O'Keeffe, M.; Ockwig , N. W.; Chae, H. K.; Eddaoudi, M.; Kim, J. Nature 2003, 423, 705; Kitagawa, S.; Kitaura, R.; Noro, S. Angew. Chem. Int. Ed. 2004, 43, 2334 ; Roberts, J.; Scheidt, K. A.; Nguyen, S. T.; Hupp, J. T. Chem. Soc. Rev., 2009, 38, 1450. However, it is very challenging to design and construct such crystalline material...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F3/08C09K11/06
Inventor 卜显和张大帅常泽轩志宏章迎辉胡同亮
Owner NANKAI UNIV
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