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Synthetic method of fluorine-doped tin oxide fibers

A technology of fluorine-doped tin oxide and a synthesis method, which is applied in the field of material chemistry, can solve the problems of few reports on the preparation of one-dimensional structure FTO, and achieve the effects of stable structure, morphology and composition control, simple process and cheap raw materials.

Inactive Publication Date: 2018-11-30
合肥萃励新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are few reports on the preparation of one-dimensional structure FTO

Method used

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  • Synthetic method of fluorine-doped tin oxide fibers

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Comparison scheme
Effect test

Embodiment 1

[0010] 0.1mol / L stannous acetate and 40g / L polytrifluoroethylene are dissolved in N-methylpyrrolidone; the prepared mixed solution is jet-spun in an electrospinning device, and the distance between the injector and the collector is 15cm, the voltage is 10KV; the obtained fiber is heat-treated in a vacuum carbonization furnace at 700°C for 3 hours, and then placed in a muffle furnace for calcination at 500°C for 3 hours to obtain a fluorine-doped tin oxide fiber. The scanning electron microscope appearance is as figure 1 shown.

Embodiment 2

[0012] Dissolve 0.05mol / L stannous oxalate and 50g / L polyvinylidene fluoride in N-methylpyrrolidone; prepare the mixed solution and carry out jet spinning in the electrospinning equipment, the distance between the injector and the collector The fiber was heat-treated at 900°C for 2 hours in a vacuum carbonization furnace, and then calcined at 800°C for 2 hours in a muffle furnace to obtain fluorine-doped tin oxide fibers.

Embodiment 3

[0014] Dissolve 0.02mol / L stannous tartrate and 30g / L trifluoroethylene-hexafluoropropylene in N-methylpyrrolidone; the prepared mixed solution is jet-spun in an electrospinning device, between the injector and the collector The distance is 18cm, and the voltage is 12KV; the fiber obtained is heat-treated in a vacuum carbonization furnace at 800°C for 2 hours, and then put into a muffle furnace for calcination at 700°C for 3 hours to obtain fluorine-doped tin oxide fibers.

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Abstract

The invention provides a synthetic method of fluorine-doped tin oxide fibers. The synthetic method is characterized by comprising the following steps: dissolving bivalent tin salt and fluorine resin into N-methylpyrrolidone to obtain a mixed solution; performing ejecting spinning on the mixed solution in electrostatic spinning equipment to ensure that a distance between an ejector and a collectoris 15 to 30cm, and the voltage is 10 to 25KV; performing thermal treatment on the obtained fibers in a vacuum carbonizing furnace for 2 to 3 hours at 700 to 900 DEG C; putting the fibers into a mufflefurnace at 500 to 800 DEG C and performing calcination for 2 to 3 hours to obtain the fluorine-doped tin oxide fibers. The synthetic method of the fluorine-doped tin oxide fibers disclosed by the invention has low-cost raw materials, and the obtained fluorine-doped tin oxide fibers have the advantages of stable controllability of structure and morphology and contents and simple process; the product can be applied to the fields of transparent anti-static coating layers, infrared barrier transparent heat-insulating coatings and the like.

Description

technical field [0001] The invention belongs to the technical field of material chemistry and relates to a method for synthesizing fluorine-doped tin oxide fibers. Background technique [0002] Tin dioxide becomes a conductive semiconductor in the case of chemical mismatch or element doping, and fluorine-doped tin oxide (FTO) is an important conductive oxide with good thermal stability and high infrared reflectivity , The preparation methods of FTO thin films include magnetron sputtering, chemical vapor deposition, spray pyrolysis, sol-gel method, etc. The sol-gel method can also be used to prepare FTO nanoparticles. At present, there are few reports on the preparation of one-dimensional structure FTO. Contents of the invention [0003] The object of the present invention is to provide a kind of synthetic method of fluorine-doped tin oxide fiber, it is characterized in that, comprises the following steps: divalent tin salt and fluororesin are dissolved in N-methylpyrrolid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F9/08
CPCD01F9/08
Inventor 汪元元
Owner 合肥萃励新材料科技有限公司
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