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Flexible transparent conductive oxide nanofiber membrane and preparation method thereof

A transparent conductive, nanofiber technology, applied in the direction of fiber chemical characteristics, fabric surface trimming, heating/cooling fabric, etc., can solve the problems of difficult to meet actual requirements, unfavorable flexible substrate coating, low conductivity of conductive film, etc. Visible light transmittance, low cost, high repeatability

Inactive Publication Date: 2014-07-16
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The sol-gel method does not require expensive vacuum equipment, the cost is low, and the operation is simple, but the sol-gel method requires the use of toxic organic solvents and pretreatment at 150-300 ° C, which is not conducive to flexible substrates (generally Tolerance temperature below 200 ℃) on the coating, and usually the conductivity of the conductive film is low, it is difficult to meet the actual requirements

Method used

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  • Flexible transparent conductive oxide nanofiber membrane and preparation method thereof
  • Flexible transparent conductive oxide nanofiber membrane and preparation method thereof
  • Flexible transparent conductive oxide nanofiber membrane and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0025] Embodiment 1: Preparation of flexible transparent conductive oxide film.

[0026] The metal salt used in this example is tin tetrachloride pentahydrate, the salt of the doping element is antimony trichloride, the binder is polyvinylpyrrolidone (PVP), and the solvent is N,N-dimethylformamide (DMF ) and isopropanol mixture.

[0027] 1) At room temperature, mix 1.865g tin tetrachloride pentahydrate and 0.135g antimony trichloride in 7g DMF and isopropanol mixture, wherein the mass ratio of DMF and isopropanol solution is 2:1, and keep stirring . Then add 1 g of high molecular polymer PVP as a binder, and continue to stir to form a precursor with a certain viscosity for later use. Wherein, the molar ratio of antimony trichloride and tin tetrachloride pentahydrate is 1:9, and the mass ratio of the total mass of antimony trichloride and tin tetrachloride pentahydrate to the binder PVP is 2:1, and the bonding Agent PVP: The total mass ratio of solvent DMF and isopropanol is...

Embodiment 2

[0031] Embodiment 2: Preparation of flexible transparent conductive oxide film.

[0032] The metal salt used in this embodiment is tin tetrachloride pentahydrate, the salt of the doping element is cobalt chloride (hydrated), the binder is polyethylene glycol, and the solvent is secondary deionized water.

[0033] 1) At room temperature, mix 1.865g of tin tetrachloride pentahydrate and 0.061g of cobalt chloride (hydrated) in 6.8g of secondary deionized water, and keep stirring. Then add 1.2g of polyethylene glycol as a binder and continue stirring to form a precursor with a certain viscosity for later use. Among them, the molar ratio of cobalt chloride (hydrated) to tin tetrachloride pentahydrate is 1:20, and the mass ratio of the total mass of cobalt chloride (hydrated) to tin tetrachloride pentahydrate to the binder polyethylene glycol The mass ratio of the binder polyethylene glycol: solvent secondary deionized water is 1:5.7.

[0034] 2) Spray the precursor solution in st...

Embodiment 3

[0037] Embodiment 3: Preparation of flexible transparent conductive oxide film.

[0038] The metal salt used in this embodiment is zinc chloride, the salt of the doping element is aluminum trichloride, the binder is polyvinylpyrrolidone (PVP), and the solvent is ethanol and secondary deionized water.

[0039] 1) At room temperature, mix 1.363g of zinc chloride and 0.222g of aluminum trichloride in 6.83g of ethanol and secondary deionized water, wherein the mass ratio of ethanol and secondary deionized water is 1:1, and keep stirring. Then add 1.585g high molecular polymer PVP as a binder, and continue to stir to form a precursor with a certain viscosity for later use. Wherein, the molar ratio of aluminum trichloride and zinc chloride is 1:16.7, the mass ratio of aluminum trichloride and zinc chloride total mass and adhesive PVP is 1:1, adhesive PVP: solvent ethanol and The total mass ratio of secondary deionized water is 1:4.3.

[0040] 2) Spray the precursor solution in ste...

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Abstract

The invention belongs to the technical field of photoelectric functional nano-materials, and particularly relates to a flexible transparent conductive oxide nanofiber membrane and a preparation method thereof. A precursor is composed of salt of a metallic oxide, salt of a doped element, an adhesive and a solvent, the precursor is sprayed on a substrate through electrospining equipment, and then high-temperature calcination is carried out to obtain the flexible transparent conductive oxide nanofiber membrane. The flexible transparent conductive oxide nanofiber membrane prepared with the method has flexibility, high conductivity and high visible-light permeability; no flexible substrate material is needed, and use of the flexible transparent conductive oxide nanofiber membrane is facilitated; the flexible transparent conductive oxide nanofiber membrane prepared with the electrostatic spinning method is controllable in size, high in repeatability, simple in process, high in efficiency and low in cost, and industrial preparation can be achieved.

Description

technical field [0001] The invention belongs to the technical field of photoelectric functional nanometer materials, and in particular relates to a flexible and transparent conductive oxide nanofiber film and a preparation method thereof. Background technique [0002] Flexible transparent conductive oxide film (Transparent Conductive Oxide, TCO) not only has high visible light transmittance, low resistivity, but also has the advantages of being foldable, light in weight, not fragile, easy to produce in large area, easy to transport and less investment in equipment, etc., and can be widely used It is widely used in fields such as flat panel display, solar cell, agricultural transparent thermal insulation plastic greenhouse, etc. Currently, the most common TCO is SnO 2 Base, In 2 o 3 base and ZnO-based materials, in which Sn-doped In 2 o 3 (Sn:In 2 o 3 , ITO) and Al-doped ZnO (Al: ZnO, AZO) are widely used. The techniques for preparing TCO thin films mainly include vac...

Claims

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Application Information

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IPC IPC(8): D04H1/4382D04H1/728D06C7/00D01F6/56D01F6/94D01F6/50
Inventor 朱英孔壮鹿现永江雷
Owner BEIHANG UNIV
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