Graphene oxide/silver molybdate co-doped silver phosphate composite nanometer photochemical material, and preparation method and application thereof
A technology of nanocomposite materials and silver molybdate, applied in the field of nanomaterials, can solve the problems of no research on the degradation of phenols and antibiotics, and achieve good degradation efficiency
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Embodiment 1
[0026] (1) Add 10% ammonia solution dropwise to 40 mL of AgNO with a concentration of 2 mol / L 3 In the solution, silver ammonia solution is formed;
[0027] 0.28 g of graphene oxide was added to the above solution, and the graphene oxide-silver ammonia mixed solution was formed after continuous stirring for 10 h under the condition of avoiding light.
[0028] (2) 0.015mol NaH 2 PO 4 with 0.005mol Na 2 MoO 4 Dissolve in 50mL of deionized water, ultrasonicate for 1h to form a mixed solution, then add 0.5g (2g / L) cetyltrimethylammonium bromide to the above solution, and continue magnetic stirring for 3h.
[0029] Under the condition of maintaining magnetic stirring, the above solution was added dropwise to the mixed solution in step (1), and the dropping speed was controlled at 2 s / drop. After the reaction was complete, the stirring was continued for 6 hours, the obtained dark green precipitate was repeatedly washed and centrifuged with ethanol and deionized water, and final...
Embodiment 2
[0031](1) Add 15% ammonia solution dropwise to 50 mL of AgNO with a concentration of 1 mol / L 3 In the solution, silver ammonia solution is formed;
[0032] 60 mg of graphene oxide was added to the above solution, and the graphene oxide-silver ammonia mixed solution was formed after continuous stirring for 10 h under the condition of avoiding light.
[0033] (2) 0.01mol(NH 4 ) 2 HPO 4 With 0.0015mol (NH4) 2 MoO 4 Dissolve in 50mL of deionized water, sonicate for 1h to form a mixed solution, then add polyethylene glycol 0.4g (0.8g / L) to the above solution, and continue magnetic stirring for 3h. Under the condition of maintaining magnetic stirring, the above solution was added dropwise to the solution in step (1), and the dropping rate was controlled to be 3 drops / s. After the reaction was complete, the stirring was continued for 6 h, and the obtained dark green precipitate was repeatedly washed and centrifuged with ethanol and deionized water, and finally the sample was dr...
Embodiment 3
[0035] (1) Add 20% ammonia solution dropwise to 60 mL of AgNO with a concentration of 1 mol / L 3 In the solution, silver ammonia solution is formed;
[0036] 80 mg of graphene oxide was added to the above solution, and the graphene oxide-silver ammonia mixed solution was formed after continuous stirring for 10 h under the condition of avoiding light.
[0037] (2) 0.015molNa 2 HPO 4 (0.3mol / L) and 0.005mol MoO 3 (0.1mol / L) was dissolved in 50mL of deionized water, and a mixed solution was formed after ultrasonication for 1h, then 0.5g (1g / L) of polyvinylpyrrolidone was added to the above solution, and magnetic stirring was continued for 3h.
[0038] Under the condition of maintaining magnetic stirring, the above solution was added dropwise to the solution in step (1), and the dropping rate was controlled at 2 drops / s. After the reaction was complete, the stirring was continued for 6 hours, and the obtained dark green precipitate was repeatedly washed and centrifuged with eth...
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