A tin antimony oxide hydrogel with Fenton-like photocatalytic properties and its preparation method and application
A tin antimony oxide and hydrogel technology, applied in chemical instruments and methods, oxidized water/sewage treatment, organic compound/hydride/coordination complex catalysts, etc., can solve problems such as difficulty in recycling, and achieve good repeatability , Repeated use, stable, high yield effect
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Embodiment 1
[0029] Weigh 0.525 g of 35% antimony-doped tin antimony oxide nanoparticles into a 10 ml centrifuge tube, add water to 3.5 ml, then add 56 μl of triethylamine, vortex and stir to form tin antimony oxide nano slurry. Weigh a certain amount of polyvinyl alcohol powder and add it to 250ml of water, heat it in a 95-degree oil bath until it is completely dissolved, and prepare a 100g / L polyvinyl alcohol solution; weigh 3.5ml of the prepared polyvinyl alcohol solution and add 3.5ml of 35% tin oxide Antimony slurry, vortex to mix, sonicate until there are no bubbles. Add the uniform mixed solution without air bubbles into a cuvette with a square bottom with a side length of 1 cm and a height of 4 cm. Place the cuvette in the refrigerator at -20°C for 12 hours, then take it out and thaw at room temperature for 2 hours. Cycle 3 times to form a stable antimony tin oxide hydrogel. Store in the upper refrigerator.
Embodiment 2
[0031] Weigh 0.525g of tin antimony oxide nanoparticles with 25% antimony doping into a 10ml centrifuge tube, add water to 3.5ml, then add 56 μl of triethylamine, vortex and stir to form tin antimony oxide nano slurry. Weigh a certain amount of polyvinyl alcohol powder and add it to 250ml of water, heat it in a 95-degree oil bath until it is completely dissolved, and configure it as a 100g / L polyvinyl alcohol solution; weigh 3.5ml of the prepared polyvinyl alcohol solution and add 3.5ml of 25% oxidized In the tin-antimony slurry, vortex to mix and sonicate until there are no bubbles. Add the uniform mixed solution without air bubbles into a cuvette with a square bottom with a side length of 1 cm and a height of 4 cm. Place the cuvette in the refrigerator at -20°C for 12 hours, then take it out and thaw at room temperature for 2 hours. Cycle 3 times to form a stable antimony tin oxide hydrogel. Store in the upper refrigerator.
Embodiment 3
[0033] Weigh 0.525g of 15% antimony-doped tin antimony oxide nanoparticles into a 10ml centrifuge tube, add water to 3.5ml, then add 56 μl of triethylamine, vortex and stir to form tin antimony oxide nano-slurry. Weigh a certain amount of polyvinyl alcohol powder and add it to 250ml of water, heat it in a 95-degree oil bath until it is completely dissolved, and configure it as a 100g / L polyvinyl alcohol solution; weigh 3.5ml of the configured polyvinyl alcohol solution and add 3.5ml of 15% oxidized In the tin-antimony slurry, vortex to mix and sonicate until there are no bubbles. Add the uniform mixed solution without air bubbles into a cuvette with a square bottom with a side length of 1 cm and a height of 4 cm. Place the cuvette in the refrigerator at -20°C for 12 hours, then take it out and thaw at room temperature for 2 hours. Cycle 3 times to form a stable antimony tin oxide hydrogel. Store in the upper refrigerator.
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