Synthetic method of zinc-cobalt Prussian blue compound

A technology of Prussian blue and a synthesis method, which is applied in the field of synthesis of zinc-cobalt Prussian blue compounds, can solve the problems of difficulty in researching the synthesis of zinc-cobalt Prussian blue compounds, cannot control the morphology of zinc-cobalt Prussian blue compounds, etc., and achieves a suitable size. The effect of large-scale production, uniform appearance and high degree of practicality

Inactive Publication Date: 2019-06-07
HUAIHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, there is no method for synthesizing zinc-cobalt Prussian blue compounds on the market at present, and the morphology of zinc-cobalt Prussian blue compounds cannot be controlled after synthesis. The research on the synthesis of zinc-cobalt Prussian blue compounds is still a difficult problem.

Method used

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  • Synthetic method of zinc-cobalt Prussian blue compound
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  • Synthetic method of zinc-cobalt Prussian blue compound

Examples

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Effect test

Embodiment 1

[0033] A kind of synthetic method of zinc cobalt Prussian blue compound, comprises the following steps:

[0034] (1) Weigh 220 mg of zinc acetate dihydrate and 280 mg of sodium citrate into 20 ml of deionized water, and ultrasonically until completely dissolved to obtain zinc acetate solution A;

[0035] (2) Weigh 128 mg of potassium hexacyanocobaltate and add it to 20 ml of deionized water, and sonicate until it is completely dissolved to obtain potassium hexacyanocobaltate solution B;

[0036] (3) Quickly add the zinc acetate solution A prepared in step (1) to the potassium hexacyanocobaltate solution B obtained in step (2), and immediately put the mixed solution into an ultrasonic machine until the mixed solution becomes turbid , to obtain a mixed dispersion C of zinc acetate and potassium hexacyanocobaltate;

[0037] (4) The mixed dispersion C of zinc acetate and potassium hexacyanocobaltate obtained in step (3) was left to stand at room temperature for 20 hours, and the ...

Embodiment 2

[0040] A kind of synthetic method of zinc cobalt Prussian blue compound, comprises the following steps:

[0041] (1) Weigh 240 mg of zinc acetate dihydrate and 150 mg of sodium citrate into 20 ml of deionized water, and ultrasonically until completely dissolved to obtain zinc acetate solution A;

[0042] (2) Weigh 140 mg of potassium hexacyanocobaltate and add it to 20 ml of deionized water, and sonicate until it is completely dissolved to obtain potassium hexacyanocobaltate solution B;

[0043] (3) Quickly add the zinc acetate solution A prepared in step (1) to the potassium hexacyanocobaltate solution B obtained in step (2), and immediately put the mixed solution into an ultrasonic machine until the mixed solution becomes turbid , to obtain a mixed dispersion C of zinc acetate and potassium hexacyanocobaltate;

[0044] (4) The mixed dispersion C of zinc acetate and potassium hexacyanocobaltate obtained in step (3) was left to stand at room temperature for 20 hours, and the ...

Embodiment 3

[0047] A kind of synthetic method of zinc cobalt Prussian blue compound, comprises the following steps: (1) takes by weighing 1.2 gram polyvinylpyrrolidone (average molecular weight is 40000), and 210 milligrams of zinc acetate dihydrates and 250 milligrams of sodium citrates are added to 20 milliliters In deionized water, sonicate until completely dissolved to obtain zinc acetate mixture A;

[0048] (2) Weigh 130 mg of potassium hexacyanocobaltate and add it to 20 ml of deionized water, and sonicate until it is completely dissolved to obtain potassium hexacyanocobaltate solution B;

[0049] (3) Quickly add the zinc acetate solution A prepared in step (1) to the potassium hexacyanocobaltate solution B obtained in step (2), and immediately put the mixed solution into an ultrasonic machine until the mixed solution becomes turbid , to obtain a mixed dispersion C of zinc acetate and potassium hexacyanocobaltate;

[0050] (4) The mixed dispersion C of zinc acetate and potassium he...

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Abstract

The invention relates to the technical field of Prussian blue compound synthesis, in particular to a synthesis method of a zinc-cobalt Prussian blue compound, which comprises the following steps: (1)adding polyvinylpyrrolidone, zinc acetate dihydrate and sodium citrate into deionized water, and carrying out ultrasonic treatment until the components are completely dissolved to obtain a zinc acetate solution A; (2) adding potassium hexacyanocobaltate into deionized water, and carrying out ultrasonic treatment until the components are completely dissolved to obtain a potassium hexacyanocobaltatesolution B; (3) quickly adding the zinc acetate solution A into the potassium hexacyanocobaltate solution B to obtain a mixed solution; (4) carrying out ultrasonic treatment on the mixed solution until the mixed solution becomes turbid to obtain a mixed dispersion C of zinc acetate and potassium hexacyanocobaltate, standing the dispersion C at room temperature, and sequentially carrying out centrifugation, washing and drying treatment to obtain products in cubic, cubooctahedral or octahedral morphologies; or directly stirring the mixed solution at room temperature to prepare a rod-shaped product. The synthesis method is simple, and the morphology of the product is easy to control.

Description

technical field [0001] The invention relates to the technical field of synthesis of Prussian blue compounds, in particular to a method for synthesizing zinc-cobalt Prussian blue compounds. Background technique [0002] With the continuous development of material science, the development of new materials and the improvement of material properties have become research hotspots. Through the controllable synthesis of the shape of the material, the performance of the material can be improved, and it is expected that the material with a uniform shape can be used as a building block to form a multifunctional composite material. Since the morphology-controlled synthesis of materials involves many fields such as materials science, materials chemistry, materials physics, crystallography and bionics, it has become an interdisciplinary basic research topic. [0003] Prussian blue is the first coordination compound artificially synthesized on record, and the substance is in the form of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/06C07C51/41C07C53/10
Inventor 杨涛丁欣然王艺慧殷丽斯
Owner HUAIHAI INST OF TECH
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