Method for preparing two-dimensional magnetic photocatalyst
A photocatalytic and magnetic technology, applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., can solve the problems of reducing photocatalytic activity, unfavorable practical application, and not easy to disperse, so as to improve photocatalytic activity, increasing photocatalytic activity, and widening the range of photosensitive wavelengths
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Embodiment 1
[0014] Example 1Co-MoO 3 / TiO 2 g-C 3 N 4 preparation of
[0015] First, add 0.6mmol sodium molybdate and 0.8mmol cobalt salt into 5mL tetrabutyl titanate, slowly add 0.5mL hydrofluoric acid during stirring, react in the reactor at 160°C for 24 hours, and cool to room temperature , after centrifuging and washing three times with ultrapure water and absolute ethanol, vacuum-dry at 50°C; secondly, take 150 mg of the dried solid and mix it with 400 mg of melamine, and grind it into powder; then, put the ground powder into a muffle furnace , the heating rate was 1°C / min, and calcined at 480°C for 5 hours; finally, the calcined powder was cooled to room temperature to obtain Co-MoO 3 / TiO 2 g-C 3 N 4 ;
[0016] The cobalt salt is cobalt sulfate.
Embodiment 2
[0017] Example 2Co-MoO 3 / TiO 2 g-C 3 N 4 preparation of
[0018] First, add 0.8mmol sodium molybdate and 1.0mmol cobalt salt to 5mL tetrabutyl titanate, slowly add 0.65mL hydrofluoric acid during stirring, react in the reactor at 180°C for 21 hours, and cool to room temperature , washed with ultrapure water and absolute ethanol for three times, then vacuum-dried at 50°C; secondly, take 200mg of the dried solid and mix it with 400mg of melamine, and grind it into powder; then, put the ground powder into a muffle furnace , the heating rate is 2°C / min, and calcined at 520°C for 2 hours; finally, the calcined powder is cooled to room temperature to obtain Co-MoO 3 / TiO 2 g-C 3 N 4 ;
[0019] Described cobalt salt is cobalt chloride.
Embodiment 3
[0020] Example 3Co-MoO 3 / TiO 2 g-C 3 N 4 preparation of
[0021] First, add 1.0mmol sodium molybdate and 1.2mmol cobalt salt into 5mL tetrabutyl titanate, slowly add 0.8mL hydrofluoric acid during stirring, react in the reactor at 200°C for 18 hours, and cool to room temperature , after centrifuging and washing with ultrapure water and absolute ethanol three times, vacuum drying at 50°C; secondly, take 250 mg of the dried solid and mix it with 400 mg of melamine, and grind it into powder; then, put the ground powder into a muffle furnace , the heating rate was 3°C / min, and calcined at 560°C for 0.5 hours; finally, the calcined powder was cooled to room temperature to obtain Co-MoO 3 / TiO 2 g-C 3 N 4 ;
[0022] The cobalt salt is cobalt nitrate.
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