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Antimony-doped tin oxide aerogel and preparation method thereof

A technology doped with tin dioxide and antimony, which is applied in the direction of tin oxide, etc., can solve the problems of high density of antimony-doped tin dioxide material, complex preparation process, and unsuitability for production, and achieve stable airgel pore structure and process Simple, short-cycle effect

Inactive Publication Date: 2018-01-09
SHANDONG RES & DESIGN ACADEMY OF IND CERAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the preparation methods of ATO mainly include hydrothermal method, co-precipitation method, sol-gel method, etc., and the hydrothermal method is relatively complicated.
The antimony-doped tin dioxide material prepared by the chemical precipitation method described in patent CN103553120A has a relatively high density, and requires strict control of the pH value, and the operation is relatively complicated
Yu Qiujie’s antimony-doped tin dioxide airgel prepared by epoxy method needs supercritical drying, the preparation process is complicated, and it is not suitable for production [Preparation of antimony-doped tin dioxide airgel by epoxy method, Acta Physicochemical Society, 201 ,4,30(3),500-507]

Method used

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  • Antimony-doped tin oxide aerogel and preparation method thereof
  • Antimony-doped tin oxide aerogel and preparation method thereof
  • Antimony-doped tin oxide aerogel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) Weigh 30g of crystalline tin tetrachloride, 4.2g of antimony trichloride (12% doping), 500g of absolute ethanol, 40g of deionized water, and 15g of propylene oxide. Additives are FA and PEG6000. 5g and 2g respectively. Dissolve crystalline tin tetrachloride in a mixed solution of absolute ethanol and deionized water, and stir evenly to obtain a mixed solution a.

[0040] (2) Antimony trichloride was added to solution a, and stirred evenly to obtain turbid white solution b.

[0041] (3) During the stirring process, add 3 g of propylene oxide solution dropwise to the turbid white solution b, and stop adding propylene oxide dropwise after obtaining a colorless and clear solution c.

[0042] (4) During the stirring process, add additives FA and PEG6000 to the colorless and clear solution c, and wait for uniform stirring to obtain a mixed solution d.

[0043] (5) During the stirring process, continue to add the remaining propylene oxide solution dropwise. After the dro...

Embodiment 2

[0050] (1) Take by weighing 50g crystalline tin tetrachloride, 7.5g antimony trichloride (doping amount is 15%), 800g isopropanol, 60g deionized water, 30g propylene oxide, admixture is selected FA and CATB, mass 8g and 1.5g respectively. Dissolve crystalline tin tetrachloride in a mixed solution of isopropanol and deionized water, and stir evenly to obtain a mixed solution a.

[0051] (2) Antimony trichloride was added to solution a, and stirred evenly to obtain turbid white solution b.

[0052] (3) During the stirring process, add 6 g of propylene oxide solution dropwise to the turbid white solution b, and stop adding propylene oxide dropwise after obtaining a colorless and clear solution c.

[0053] (4) During the stirring process, add additives FA and CATB to the colorless and clear solution c, and stir evenly to obtain a mixed solution d.

[0054] (5) During the stirring process, continue to add the remaining propylene oxide solution dropwise. After the dropwise additio...

Embodiment 3

[0061] (1) Weigh 30g of crystalline tin tetrachloride, 4.5g of antimony trichloride (15% doping), 600g of absolute ethanol, 200g of n-butanol, 50g of deionized water, and 30g of propylene oxide. PEG10000 and CATB, the masses are 6g and 1.5g respectively. Dissolve crystalline tin tetrachloride in a mixed solution of absolute ethanol, n-butanol and deionized water, and stir evenly to obtain a mixed solution a.

[0062] (2) Antimony trichloride was added to solution a, and stirred evenly to obtain turbid white solution b.

[0063](3) During the stirring process, add 5 g of propylene oxide solution dropwise to the turbid white solution b, and stop adding propylene oxide dropwise after obtaining a colorless and clear solution c.

[0064] (4) During the stirring process, add additives PEG10000 and CATB to the colorless and clear solution c, and stir evenly to obtain a mixed solution d.

[0065] (5) During the stirring process, continue to add the remaining propylene oxide solution...

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Abstract

The invention belongs to the technical field of nanogel materials, and in particular relates to antimony-doped tin oxide aerogel and a preparation method thereof. The antimony-doped tin oxide aerogelis prepared from tin salt, antimony salt, an organic solvent and deionized water. The preparation method is short in period, adopts ambient pressure drying, and is simple in technology, easy in control of conditions and low in preparation cost; the prepared aerogel is stable in pore structure, large in specific surface area and smaller in particle size.

Description

technical field [0001] The invention belongs to the technical field of nanogel materials, and in particular relates to an antimony-doped tin dioxide airgel and a preparation method thereof. Background technique [0002] Antimony-doped tin dioxide (ATO) material has good weather resistance and chemical stability, can withstand strong acid and strong alkali, and is not limited by climate and environmental use. And as an important semiconductor material, it can meet special electrical and optical properties, and has good infrared absorption function. [0003] At present, the preparation methods of ATO mainly include hydrothermal method, co-precipitation method, sol-gel method, etc., and the hydrothermal method is relatively complicated. The antimony-doped tin dioxide material prepared by the chemical precipitation method described in patent CN103553120A has a relatively high density, and requires strict control of the pH value, and the operation is relatively complicated. Yu ...

Claims

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Application Information

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IPC IPC(8): C01G19/02
Inventor 牟善浩魏美玲周长灵何子臣王守兴
Owner SHANDONG RES & DESIGN ACADEMY OF IND CERAMICS
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