A tio with highly active {111} exposed crystal plane orientation 2 Preparation method of microspheres
A technology with crystal plane orientation and high activity, applied in chemical instruments and methods, chemical/physical processes, titanium oxide/hydroxide, etc., can solve problems such as poor reproducibility, environmental pollution, and complicated preparation methods, and achieve simple implementation , reduce pollution, good repeatability
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Embodiment 1
[0017] Add 1.35g titanium tetraisopropoxide TTIP into the mixed solution of 2.2mL concentrated hydrochloric acid and 1.5mL deionized water, stir and mix evenly, add 0.1g polyethylene oxide-polypropylene oxide-polyethylene oxide three The block copolymer P123 was added to the above system, stirred until fully dissolved, and then the above solution was transferred to a hydrothermal reaction kettle for reaction at 200°C. After the reaction was completed, the crystallized solution was suction-filtered and dried naturally to obtain the final product.
[0018] According to attached figure 1 It can be seen that the final product is titanium dioxide in the rutile phase and has a high degree of crystallinity.
[0019] According to attached figure 2 It shows that the final product obtained is a microsphere with a three-dimensional structure, and the high-magnification scanning electron microscope photo ( figure 2 b-d) It can be seen that the microsphere is composed of a single nano...
Embodiment 2
[0022] Add 1.0g titanium tetraisopropoxide TTIP into the mixed solution of 2.2mL concentrated hydrochloric acid and 1.5mL deionized water, stir and mix evenly, add 0.1g polyethylene oxide-polypropylene oxide-polyethylene oxide three The block copolymer P123 was added to the above system, stirred until fully dissolved, and then the above solution was transferred to a hydrothermal reaction kettle for reaction at 200°C. After the reaction was completed, the crystallized solution was suction-filtered and dried naturally to obtain the final product.
Embodiment 3
[0024] Add 2.0g titanium tetraisopropoxide TTIP into the mixed solution of 1.0mL concentrated hydrochloric acid and 1.0mL deionized water, stir and mix evenly, add 0.1g polyethylene oxide-polypropylene oxide-polyethylene oxide three Block copolymer P123 was added to the above system, stirred until fully dissolved, and then the above solution was transferred to a hydrothermal reaction kettle for reaction at 180°C. After the reaction was completed, the crystallized solution was suction-filtered and dried naturally to obtain the final product.
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