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Preparation method of cadmium metal organic complex as well as product and derivatives thereof

An organic complex, cadmium metal technology, applied in the field of materials, can solve the problems of resource consumption and increase the difficulty of preparation, and achieve the effects of easy operation, abundant sources and simple process

Active Publication Date: 2018-09-04
SOUTHWEST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the reports in the existing literature, metal-organic complexes of zinc are often used as templates to synthesize porous carbon materials, but metal zinc can only be completely removed at an inert atmosphere temperature above 900 °C, which not only increases the difficulty of preparation, but also consumes resources. massive consumption of

Method used

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  • Preparation method of cadmium metal organic complex as well as product and derivatives thereof
  • Preparation method of cadmium metal organic complex as well as product and derivatives thereof
  • Preparation method of cadmium metal organic complex as well as product and derivatives thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Preparation of cadmium metal organic complexes

[0031] (1) A solution: take 300mg Cd(NO 3 ) 2 4H 2 O dissolved in 100mL of 99.5% methanol solution by mass fraction;

[0032] (2) Solution B: Dissolve 1010 mg of p-phenylenediamine in 100 mL of methanol solution with a mass fraction of 99.5%;

[0033] (3) Add solution A to solution B, mix well, stir at 20°C for 6 hours, then filter with suction, and wash with water and ethanol three times respectively to obtain a white solid product, which is placed in a vacuum oven at 60°C Dry in medium for 12 hours to obtain cadmium metal organic complex. Carry out X-ray diffraction to this cadmium metal organic complex, obtain its diffraction pattern, as figure 1 shown by figure 1 It can be seen that the crystal structure of the cadmium metal-organic complex has long-range order, and the molecular arrangement is orderly. Carry out single crystal X-ray diffraction to this cadmium metal organic complex, obtain its single crystal d...

Embodiment 2

[0035] The cadmium metal-organic complex prepared in Example 1 was placed in a tube furnace, and the temperature was raised to 400°C at a heating rate of 5°C / min under an inert atmosphere, and then kept for 2 hours to prepare the carbide of the cadmium metal-organic complex. Scan the carbide of the cadmium metal organic complex with a scanning electron microscope, the results are as follows Figure 4 shown by Figure 4 It can be seen that porous carbon materials with high specific surface area can be obtained at 400°C.

Embodiment 3

[0037] Preparation of carbides of cadmium metal organic complexes

[0038]The cadmium metal organic complex prepared in Example 1 was placed in a tube furnace, and the temperature was raised to 600 °C at a heating rate of 5 °C / min in an inert atmosphere, and then kept for 2 hours to prepare the carbide of the cadmium metal organic complex. Scan the carbide of the cadmium metal organic complex with a scanning electron microscope, the results are as follows Figure 5 shown by Figure 5 It can be seen that the material after carbonization has a porous structure, because the cadmium ions are reduced to cadmium metal by carbon as the temperature increases, and the cadmium begins to melt when the temperature reaches 320.9 ° C. When the temperature is higher, the cadmium metal vaporizes with the inertia. The gas flows away and the organic ligands decompose to obtain porous carbon materials with high specific surface area.

[0039] Mix the carbide of cadmium metal-organic complex pr...

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Abstract

The invention relates to a preparation method of a cadmium metal organic complex as well as a product and derivatives thereof and belongs to the technical field of materials. The cadmium metal organiccomplex is obtained by taking Cd(NO3)2.4H2O and p-phenylenediamine as raw materials and reacting at the temperature of 20 to 30 DEG C. The cadmium metal organic complex is carbonized to form a porousstructure which can be used for preparing an energy storage material. Meanwhile, the complex can be coordinated with other metal ions (such as iron, cobalt and nickel) under certain conditions to obtain the cadmium metal organic complex doped with metals such as iron, cobalt and nickel; the cadmium metal organic complex is carbonized to obtain carbide doped with the metals such as iron, cobalt and nickel; the carbide likewise has a porous structure; meanwhile, due to existence of the metals with catalytic activity such as iron, cobalt and nickel, the cadmium metal organic complex has a greatapplication prospect in electrocatalysis. The raw materials used by the preparation method for the all the materials are abundant in source; in addition, the process is simple and easy to operate; theprepared material has good market application value and scientific research value.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a preparation method of a cadmium metal organic complex and its products and derivatives. Background technique [0002] Metal-organic complexes are mostly coordination polymers formed by the self-assembly of multi-dentate organic ligands containing oxygen and nitrogen (mostly aromatic polyacids and polybases) and transition metal ions. Its unique bonding method and adjustable size structure are applied in many directions. Such as adsorption separation, catalysis, energy storage, drug delivery, etc. Among them, cadmium metal-organic complexes are currently mostly used in photocatalysis and fluorescence. However, cadmium metal-organic complexes have not only the characteristics of metals, but also the characteristics of organic polymers, so that they have certain application prospects in electrochemistry. At present, porous carbon materials with high specific surfa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C211/51C07C209/68H01M4/90C01B32/914
CPCC01B32/914C07C209/68C07C211/51B01J27/22B01J35/60Y02E60/50
Inventor 包淑娟刘恒徐秋菊徐茂文
Owner SOUTHWEST UNIV
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