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Cadmium coordination polymer as well as preparation method and applications thereof

A cadmium coordination polymer and a technology for coordination polymers are applied in the field of chemistry to achieve the effects of stable fluorescence performance, high yield, and simple preparation method and process.

Inactive Publication Date: 2015-06-10
ANYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are relatively few reports on the introduction of flexible bispyridine ligands and rigid carboxylic acid benzene ligands into the same reaction system to construct corresponding metal complexes and study their fluorescence properties.

Method used

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  • Cadmium coordination polymer as well as preparation method and applications thereof
  • Cadmium coordination polymer as well as preparation method and applications thereof
  • Cadmium coordination polymer as well as preparation method and applications thereof

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preparation example Construction

[0013] A kind of preparation method of cadmium coordination polymer, described preparation method comprises the following steps: dihydrate cadmium acetate, 1,4-benzenedicarboxylic acid, 1,3-bis(pyridine-3-methoxy)benzene Put into the reactor with distilled water, after closing, react at 150 ℃ for 4 days; Dry naturally in the air, and further, the molar ratio of the reactants is: cadmium acetate dihydrate: 1,4-benzenedicarboxylic acid: 1,3-bis(pyridine-3-methoxy)benzene=2:1: 1. The number of liters of distilled water is 100 times the number of moles of cadmium acetate dihydrate.

[0014] An application of a cadmium coordination polymer, the application of the cadmium coordination polymer on fluorescent materials.

Embodiment 1

[0015] Embodiment 1: the synthesis of coordination polymer:

[0016] Cadmium acetate dihydrate (11 mg, 0.04 mmol), 1,4-benzenedicarboxylic acid (3 mg, 0.02 mmol), 1,3-bis(pyridine-3-methoxy)benzene (6 mg, 0.02 mmol) and 4mL of distilled water into the reactor, closed, and reacted at 150°C for 4 days; after the reaction was completed, the temperature was lowered at a rate of 5°C / h until room temperature, and colorless blocky crystals were collected and dried naturally in the air , to obtain cadmium coordination polymers. The yield is about 51%. The synthetic method is reliable and stable through repeated tests.

Embodiment 2

[0017] Example 2: Characterization of coordination polymers:

[0018] Structural determination of coordination polymers: select single crystals of appropriate size under a microscope to conduct X-ray diffraction experiments at room temperature. On a Bruker Smart Apex-II CCD diffractometer, Mo–K αRays (wavelength = 0.71073 ?), collect diffraction data in the φ–ω manner. Data restoration was performed with the Bruker SAINT program. Diffraction data for partial structures were corrected for absorption using the SADABS program. The crystal structure was solved by direct method combined with difference Fourier synthesis. The coordinates and anisotropy parameters of all non-hydrogen atoms were corrected by the full matrix least squares method, and the positions of C–H and O–H atoms were calculated and determined according to the theoretical model. The detailed crystal determination data are shown in Table 1. For the crystal structure of coordination polymers see figure 2 , ...

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Abstract

The invention discloses a cadmium coordination polymer by taking 1,3-bis(pyridine-3-methoxy)benzen and 1,4-phthalic acid as ligands, and a preparation method and fluorescent performance of the coordination polymer, belonging to the field of chemistry. The chemical formula of the coordination polymer is [Cd(1,4-BDC)(bpmb)(H2O)]<n>, wherein 1,4-H2BDC is equal to 1,4-phthalic acid; bpmb is equal to 1,3-bis(pyridine-3-methoxy)benzen. The coordinate polymer is prepared from cadmium acetate dihydrate, 1,4-phthalic acid, 1,3-bis(pyridine-3-methoxy)benzen. The complex can be specifically applied onto a fluorescent material. The coordination polymer is stable at room temperature, the preparation method is simple in technology, and the coordination polymer has stable fluorescent performance at room temperature.

Description

technical field [0001] The invention relates to a cadmium coordination polymer, in particular to a cadmium coordination polymer with 1,3-bis(pyridine-3-methoxy)benzene and 1,4-benzenedicarboxylic acid as ligands, and The preparation method and fluorescence performance of the coordination polymer belong to the field of chemistry. Background technique [0002] due to d 10 Close-shell transition metal complexes have the characteristics of diverse structures and rich fluorescence properties, and have been widely studied in recent years [F. P. Huang, Z. M. Yang, P. F. Yao, Q. Yu, J. L. Tian, ​​H. D. Bian, S. P. Yan, D. Z. Liao and P .Cheng, CrystEngComm, 2013, 15, 2657; G. Z. Liu, S. H. Li and L. Y. Wang, CrystEngComm, 2012, 14, 880.]. In the synthesis process of coordination polymers, organic ligands play a key role, and the different types of ligands not only directly affect the synthesis of polymers, but also involve the spatial structure and functional properties of polym...

Claims

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Application Information

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IPC IPC(8): C07F3/08C09K11/06
CPCC07F3/08C09K11/06C09K2211/188
Inventor 刘雷雷杜记民余彩霞刘林赵丰
Owner ANYANG NORMAL UNIV
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