Preparation method of zinc oxide with multistage pore structure
A pore structure, zinc oxide technology, applied in the direction of zinc oxide/zinc hydroxide, etc., can solve the problems of template size, shape limitation, difficulty in controlling pore structure by soft template method, unfavorable for mass production, etc. The effect of photocatalytic activity and stable product quality
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Embodiment 1
[0020] Clean Artemia egg shells with a large amount of distilled water, and after ball milling for 6 hours, use HCl with a concentration of 6mol / L and HCl with a concentration of 8mol / L, respectively. 2 SO 4 , 6mol / L HNO 3 , 2mol / L KOH soaking pretreatment, the soaking time is 2h for each substance, and dry to remove moisture; dissolve 0.9g zinc nitrate hexahydrate into 50ml distilled water, stir until completely dissolved, then add 1g of the above-mentioned treated artemia egg shells, Let stand for 3h, and filter with suction. Add 0.53g of Pluronic F127 into a mixed solution of 40ml of distilled water and 4ml of n-butanol, and stir magnetically at 50°C for 20min. Add 0.704g of urea to the above mixed solution, stir until it is completely dissolved, then drop the obtained solution into the above-mentioned Artemia egg shells that have been filtered by suction, stir evenly, adjust its pH to 8 with ammonia water, let it stand for 6h, and suction filter. Vacuum dry at 80°C for ...
Embodiment 2
[0022] Clean Artemia egg shells with a large amount of distilled water, and after ball milling for 6 hours, use HCl with a concentration of 9mol / L and HCl with a concentration of 13mol / L respectively. 2 SO 4 , 10mol / L of HNO 3 , 4mol / L KOH soaking pretreatment, the soaking time is 4h for each substance, and dry to remove moisture; dissolve 1.1g of zinc nitrate hexahydrate into 55ml of distilled water, stir until completely dissolved, then add 1.24g of the above-mentioned treated Artemia egg shells , let stand for 4h, and filter with suction. Add 1.3g of Pluronic F127 into a mixed solution of 60ml of distilled water and 12ml of n-butanol, stir magnetically at 50°C for 30min, add 1.44g of urea into the above mixed solution, stir until completely dissolved, then drop the resulting solution into the above-mentioned halogen Worm egg shells were stirred evenly, adjusted to pH 8.5 with ammonia water, left to stand for 7 hours, filtered with suction, and vacuum-dried at 90°C for 9 h...
Embodiment 3
[0024] Wash Artemia egg shells with a large amount of distilled water, and after ball milling for 6 hours, use HCl with a concentration of 12mol / L and HCl with a concentration of 18mol / L, respectively. 2 SO 4 , 14mol / L HNO 3 , 6mol / L KOH soaking pretreatment, the soaking time is 6h for each substance, and dry to remove water; dissolve 1.4g zinc nitrate hexahydrate into 60ml distilled water, stir until completely dissolved, then add 1.5g Artemia egg shells that have been treated above , let stand for 5h, and filter with suction. Add 2.4g of Pluronic F127 into a mixed solution of 80ml of distilled water and 19ml of n-butanol, stir magnetically at 50°C for 40min, add 2.4g of urea into the above mixed solution, stir until completely dissolved, then drop the obtained solution into the above-mentioned suction-filtered Artemia egg shells were stirred evenly, adjusted to a pH of 9 with ammonia water, allowed to stand for 8 hours, filtered with suction, and vacuum-dried at 100°C for ...
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