Antimony-doped tin oxide aerogel and preparation method thereof

[0038] Example 1

[0039] (1) Weigh 30g of crystalline tin tetrachloride, 4.2g of antimony trichloride (doping amount is 12%), 500g of absolute ethanol, 40g of deionized water, 15g of propylene oxide, and use FA and PEG6000 as additives. They are 5g and 2g respectively. The crystalline tin tetrachloride is dissolved in a mixed solution of absolute ethanol and deionized water and stirred evenly to obtain a mixed solution a.

[0040] (2) Add antimony trichloride to solution a and stir evenly to obtain turbid white solution b.

[0041] (3) During the stirring process, 3 g of propylene oxide solution was added dropwise to the turbid white solution b, and after the colorless and clear solution c was obtained, the dropwise addition of propylene oxide was stopped.

[0042] (4) During the stirring process, add the admixtures FA and PEG6000 to the colorless and clear solution c, and wait until it is evenly stirred to obtain a mixed solution d.

[0043] (5) During the stirring process, continue to

[0049] Example 2

[0050] (1) Weigh 50g crystalline tin tetrachloride, 7.5g antimony trichloride (doping amount is 15%), 800g isopropanol, 60g deionized water, 30g propylene oxide, and select FA and CATB as additives. They are 8g and 1.5g respectively. The crystalline tin tetrachloride is dissolved in a mixed solution of isopropanol and deionized water and stirred evenly to obtain a mixed solution a.

[0051] (2) Add antimony trichloride to solution a and stir evenly to obtain turbid white solution b.

[0052] (3) During the stirring process, 6 g of propylene oxide solution was added dropwise to the turbid white solution b, and the dropwise addition of propylene oxide was stopped after the colorless and clear solution c was obtained.

[0053] (4) During the stirring process, add the admixtures FA and CATB to the colorless and clear solution c, and wait until it is evenly stirred to obtain a mixed solution d.

[0054] (5) During the stirring process, continue to drip the remaining propyle

[0060] Example 3

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

[0062] (2) Add antimony trichloride to solution a and stir evenly to obtain turbid white solution b.

[0063] (3) During the stirring process, 5 g of propylene oxide solution was added dropwise to the turbid white solution b, and after the colorless and clear solution c was obtained, the propylene oxide dropwise addition was stopped.

[0064] (4) During the stirring process, add the admixtures PEG10000 and CATB to the colorless and clear solution c, and wait until it is evenly stirred to obtain a mixed solution d.

[0065]