Micronano-structured and graphene based composite visible light catalytic material and preparing method thereof
A catalytic material and graphene-based technology, applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., can solve the problem of enhancing composite photocatalytic materials, accelerating the separation of photogenerated electron pairs, and prolonging the life of active components and other issues, to achieve the effect of simple process, energy saving and environmental protection performance, and low cost
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Embodiment 1
[0026] Disperse 10 mg of graphene oxide in 50 ml of deionized water and sonicate for 5 hours to obtain a graphene oxide dispersion, weigh 1.529 g of silver nitrate and 200 mg of ZnO and dissolve them in 50 ml of deionized water for 30 minutes to obtain a mixed precursor solution A, Add the mixed precursor solution A dropwise to the above graphene oxide dispersion under magnetic stirring, and continue to stir at a speed of 100 rpm at room temperature for 6 hours to obtain the mixed precursor solution B; weigh 0.426 g Na 2 HPO 4 Dissolve in 20 ml of deionized water to obtain a disodium hydrogen phosphate solution. Add the prepared disodium hydrogen phosphate solution dropwise to the mixed precursor solution B under stirring until gray-green turbidity appears in the reaction system. After the addition is complete, The mixed solution was transferred to a polytetrafluoroethylene liner after continuing to stir at a speed of 200 rpm for 30 minutes, and the liner was sealed in a stain...
Embodiment 2
[0028] Disperse 20 mg of graphene oxide in 50 ml of deionized water and sonicate for 5 hours to obtain a graphene oxide dispersion, weigh 1.529 g of silver nitrate and 300 mg of ZnO and dissolve them in 50 ml of deionized water for 30 minutes to obtain a mixed precursor solution A, Add the mixed precursor solution A dropwise to the above graphene oxide dispersion under magnetic stirring, and continue to stir at a speed of 100 rpm at room temperature for 8 hours to obtain the mixed precursor solution B; weigh 0.426 g Na 2 HPO 4 Dissolve in 20 ml of deionized water to obtain a disodium hydrogen phosphate solution. Add the prepared disodium hydrogen phosphate solution dropwise to the mixed precursor solution B under stirring until gray-green turbidity appears in the reaction system. After the addition is complete, The mixed solution was transferred to a polytetrafluoroethylene liner after continuing to stir at a speed of 200 rpm for 40 minutes, and the liner was sealed in a stain...
Embodiment 3
[0030] Disperse 50 mg of graphene oxide in 50 ml of deionized water and sonicate for 5 hours to obtain a graphene oxide dispersion, weigh 1.529 g of silver nitrate and 400 mg of ZnO and dissolve them in 50 ml of deionized water for 30 minutes to obtain a mixed precursor solution A, Add the mixed precursor solution A dropwise to the above graphene oxide dispersion under magnetic stirring, and continue to stir at a speed of 100 rpm at room temperature for 10 hours to obtain the mixed precursor solution B; weigh 0.426 g Na 2 HPO 4 Dissolve in 20 ml of deionized water to obtain a disodium hydrogen phosphate solution. Add the prepared disodium hydrogen phosphate solution dropwise to the mixed precursor solution B under stirring until gray-green turbidity appears in the reaction system. After the addition is complete, The mixed solution was transferred to a polytetrafluoroethylene liner after continuing to stir at a speed of 200 rpm for 50 minutes, and the liner was sealed in a stai...
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