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
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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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