A kind of preparation method of cerium oxide/copper oxide composite nano-film catalyst
A technology of copper oxide and nano-membrane, which is applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of inability to improve the catalytic activity of materials, and achieve lower catalytic temperature, high catalytic performance, and improved The effect of load ratio
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[0018] The total amount of substances is 10mmol of copper nitrate, cerium nitrate according to the ratio of substance to 1:1 and 3-5g of materials that can increase the viscosity of the solution are added to 20-50ml of aqueous solution, at 60-80 o After incubation at C for 15-24 h, the resulting solution was spread over the pre-treated template. Then, place the stencil coated with the solution at 400-600 o The cerium oxide (CeO 2 ) / copper oxide (CuO) composite nanofilm catalyst.
[0019] The templates used are made of filter paper or batt fibers.
[0020] The template was ultrasonically treated with ethanol to remove dust impurities adsorbed on the surface of the template material before use.
[0021] In the scheme, the material that can increase the viscosity of the solution is one of citric acid, polyvinylpyrrolidone, and polyethylene glycol.
[0022] The phase structure of the obtained product was determined by XRD, the morphology of the obtained product was observed by...
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