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Preparation method of nano-organic compound molybdenum oxide electrochromic film

An electrochromic, nano-organic technology, applied in coatings and other directions, can solve the problems of single color and long response time

Inactive Publication Date: 2018-08-21
上海艾谡新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Inorganic electrochromic materials have high chemical stability, good weather resistance and long service life, MoO 3 As an inorganic electrochromic material, it exhibits gray color-changing characteristics and soft colors, but like other inorganic electrochromic materials, it has the problems of single color and long response time, while organic electrochromic materials just have rich colors and responsiveness. The advantage of short time, on the other hand, the nanostructured inorganic electrochromic film has a high specific surface area, high surface activity, high interfacial energy after combining with organic materials, and can solve the problem of uniform compounding between inorganic and organic materials , how to synthesize uniformly compounded nano-organic-inorganic composite electrochromic materials is one of the effective ways to solve the problem of single color and long response time of inorganic electrochromic materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] This embodiment provides a method for preparing a nano-organic composite molybdenum oxide electrochromic film, comprising the following steps:

[0018] S10: preparing nano-scale monodisperse polystyrene colloidal sphere particles;

[0019] S20: dissolving molybdenum oxide raw material in nitric acid, the amount of nitric acid is enough to dissolve molybdenum oxide, dissolving citric acid in 25% ammonia water, the amount of ammonia water can dissolve citric acid, and then mixing the two solutions, The molar ratio of molybdenum oxide: citric acid is 1:1, then add ethylene glycol, absolute ethanol and water, wherein the molar ratio of ethylene glycol and citric acid is 1:1, the volume ratio of absolute ethanol and water The ratio is 1:1, the total amount of the two is twice the amount of ammonia water, and finally the pH value is adjusted with nitric acid or ammonia water to obtain the precursor solution A;

[0020] S30: weighing a certain amount of nano-scale monodispers...

Embodiment 2

[0025] This embodiment provides a method for preparing a nano-organic composite molybdenum oxide electrochromic film, comprising the following steps:

[0026] S10: preparing nano-scale monodisperse polystyrene colloidal sphere particles;

[0027] S20: dissolving molybdenum oxide raw material in nitric acid, the amount of nitric acid is enough to dissolve molybdenum oxide, dissolving citric acid in 28% ammonia water, the amount of ammonia water can dissolve citric acid, and then mix the two solutions, The molar ratio of molybdenum oxide: citric acid is 1:1.5, then add ethylene glycol, absolute ethanol and water, wherein the molar ratio of ethylene glycol and citric acid is 1:2, the volume ratio of absolute ethanol and water The ratio is 3:1, the total amount of the two is 4 times the amount of ammonia water, and finally the pH value is adjusted with nitric acid or ammonia water to obtain the precursor solution A;

[0028] S30: weighing a certain amount of nano-scale monodisper...

Embodiment 3

[0033] This embodiment provides a method for preparing a nano-organic composite molybdenum oxide electrochromic film, comprising the following steps:

[0034] S10: preparing nano-scale monodisperse polystyrene colloidal sphere particles;

[0035] S20: dissolving molybdenum oxide raw material in nitric acid, the amount of nitric acid is enough to dissolve molybdenum oxide, dissolving citric acid in 26% ammonia water, the amount of ammonia water can dissolve citric acid, and then mixing the two solutions, The molar ratio of molybdenum oxide: citric acid is 1:1, then add ethylene glycol, absolute ethanol and water, wherein the molar ratio of ethylene glycol and citric acid is 1:1, the volume ratio of absolute ethanol and water The ratio is 2:1, the total amount of the two is 3 times the amount of ammonia water, and finally the pH value is adjusted with nitric acid or ammonia water to obtain the precursor solution A;

[0036] S30: weighing a certain amount of nano-scale monodispe...

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Abstract

The invention discloses a preparation method of a nano-organic compound molybdenum oxide electrochromic film. The preparation method comprises the following steps: preparing nanoscale monodisperse polystyrene colloidal spheres; preparing a precursor solution A containing a molybdenum oxide raw material; adding a certain amount of nanoscale monodisperse polystyrene colloidal spheres into the precursor solution A to obtain composite suspension; vertically immersing ITO glass into the composite suspension and growing a composite film layer; carrying out heat treatment on the composite film layerin an air atmosphere and then cooling with a furnace to obtain a nano-organic molybdenum oxide electrochromic film; preparing a hydrochloric acid solution of aniline and o-phenylenediamine, and then adding ammonium persulfate to obtain a solution B; and vertically immersing the nano-organic molybdenum oxide electrochromic film into a solution B, and finally obtaining the nano-organic compound molybdenum oxide electrochromic film. According to the preparation method disclosed by the invention, organic materials are uniformly compounded with inorganic materials in nanoscale, so that the problemsof pure organic electrochromic materials and inorganic electrochromic materials are effectively improved.

Description

technical field [0001] The invention relates to the technical field of electrochromic film preparation, in particular to a method for preparing a nanometer organic composite molybdenum oxide electrochromic film. Background technique [0002] Inorganic electrochromic materials have high chemical stability, good weather resistance and long service life, MoO 3 As an inorganic electrochromic material, it exhibits gray color-changing characteristics and soft colors, but like other inorganic electrochromic materials, it has the problems of single color and long response time, while organic electrochromic materials just have rich colors and responsiveness. The advantage of short time, on the other hand, the nanostructured inorganic electrochromic film has a high specific surface area, high surface activity, high interface energy after combining with organic materials, and can solve the problem of uniform compounding between inorganic and organic materials , how to synthesize unifo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/42
CPCC03C17/006C03C17/42C03C2217/425C03C2217/948C03C2218/111C03C2218/32
Inventor 伍媛婷
Owner 上海艾谡新材料有限公司