A kind of preparation method of high-efficiency graphene-based photocatalytic material
A photocatalytic material and graphene-based technology, applied in the field of photocatalysis, can solve the problems of easy loss of photocatalytic materials, achieve the effects of preventing aggregation, solving agglomeration, and improving adhesion
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Embodiment 1
[0030] A preparation method of an efficient graphene-based photocatalytic material, comprising the following steps:
[0031] Step 1, put two-dimensional graphene into distilled water, then ascorbic acid, and stir evenly to obtain a graphene suspension;
[0032] In step 2, acrylic acid is added to the graphene suspension, followed by a low-temperature ultrasonic reaction for 2 hours, a water bath reaction for 2 hours, and a vacuum distillation reaction for 2 hours to obtain a coated three-dimensional graphene;
[0033] Step 3, adding n-butyl titanate to anhydrous ethanol, adding ethyl cellulose and stirring until completely dissolved to form titanium liquid;
[0034] Step 4, put the coated three-dimensional graphene into the titanium solution for low-temperature ultrasonic reaction for 2 hours, take out and quickly dry to obtain the three-dimensional graphene with titanium film;
[0035] In step 5, the three-dimensional graphene with the titanium film is placed in an infrared ...
Embodiment 2
[0042] A preparation method of an efficient graphene-based photocatalytic material, comprising the following steps:
[0043] Step 1, put two-dimensional graphene into distilled water, then ascorbic acid, and stir evenly to obtain a graphene suspension;
[0044] Step 2, adding acrylic acid to the graphene suspension, then performing a low-temperature ultrasonic reaction for 4 hours, a water bath reaction for 6 hours, and a vacuum distillation reaction for 4 hours to obtain a coated three-dimensional graphene;
[0045] Step 3, adding n-butyl titanate to anhydrous ethanol, adding ethyl cellulose and stirring until completely dissolved to form titanium liquid;
[0046] Step 4, put the coated three-dimensional graphene into the titanium solution for low-temperature ultrasonic reaction for 4 hours, take out and quickly dry to obtain the three-dimensional graphene with titanium film;
[0047] In step 5, the three-dimensional graphene with the titanium film is placed in an infrared d...
Embodiment 3
[0054] A preparation method of an efficient graphene-based photocatalytic material, comprising the following steps:
[0055] Step 1, put two-dimensional graphene into distilled water, then ascorbic acid, and stir evenly to obtain a graphene suspension;
[0056] Step 2, adding acrylic acid to the graphene suspension, then performing a low-temperature ultrasonic reaction for 3 hours, a water bath reaction for 4 hours, and a vacuum distillation reaction for 3 hours to obtain a coated three-dimensional graphene;
[0057] Step 3, adding n-butyl titanate to anhydrous ethanol, adding ethyl cellulose and stirring until completely dissolved to form titanium liquid;
[0058] Step 4, put the coated three-dimensional graphene into the titanium solution for low-temperature ultrasonic reaction for 3 hours, take out and quickly dry to obtain the three-dimensional graphene with titanium film;
[0059] In step 5, the three-dimensional graphene with the titanium film is placed in an infrared d...
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