Two-dimensional composite photocatalyst namely h-BN/Ti3C2/TiO2, and preparation method and application thereof
A catalyst, composite light technology
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Embodiment 1
[0036] (1) Accurately weigh 1.0 g of LiF powder and add it to 30 mL of 9 mol / L hydrochloric acid solution, add magnetons, place the reaction system in a water bath, and keep the temperature at 0 o C, react at 500 r / min for 30 min; then weigh 1.0 gTi 3 AlC2 Slowly added to the above system, after continuing to react for 60 min under the reaction conditions, adjust the temperature of the water bath to 35 o C. After 24 hours of reaction, take out the reaction solution, add an appropriate amount of deionized water, centrifuge repeatedly, remove the supernatant, and obtain a precipitate that is multilayer Ti 3 C 2 ;
[0037] (2) The product obtained in step (1) was dispersed in deionized water, ultrasonically stripped for 8 h, and then the stripped dispersion was freeze-dried to obtain a few-layer Ti 3 C 2 ;
[0038] (3) Accurately weigh 0.1 g of the few-layer Ti obtained in step (2) 3 C 2 and 0.1 g h-BN were placed in a polytetrafluoroethylene liner containing 30 mL of deio...
Embodiment 2
[0041] LiF and Ti in step (1) 3 AlC 2 Consumption is all changed into 3.0 g, and others are with embodiment 1;
[0042] Step (3) few layers of Ti 3 C 2 and h-BN consumption are changed into 0.2 g, other with embodiment 1;
[0043] Steps (2), (4) are the same as in Example 1.
Embodiment 3
[0045] Change step (3) temperature to 200 o C, other with embodiment 1;
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