Visible light photocatalytic film and preparation method thereof and lighting lamp with visible light photocatalytic film
A technology of photocatalytic film and lighting lamps, which is applied in the field of lighting lamps, can solve problems such as indoor purification, skin and vision damage, ultraviolet leakage, etc., and achieve the effect of improving air purification and facilitating absorption
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[0030] The first embodiment also provides a method for preparing a visible light photocatalytic thin film, the method comprising the following steps:
[0031] 1) Preparation of photocatalyst
[0032] Add 1% ZnS and ZnO to 20 ml of 0.1 mol / l ZnSO 4 solution, put the solution into a 35 ml microwave tube, stir at room temperature 35°C for half an hour to make the solution uniform; then add Na(OH) dropwise 2 solution, so that the pH of the solution is 9, stirred at room temperature for 1 hour at 35°C, then placed in a microwave reaction synthesizer, and stirred for 10 minutes at a temperature of 150°C and a power of 100 W to obtain a ZnO-ZnS composite photocatalyst;
[0033] 2) Coating of visible light photocatalytic film
[0034] Take 1g of the ZnO-ZnS composite photocatalyst composite photocatalyst and put it into a mortar, add a mixture of terpineol and ethyl cellulose with a mass percentage of 1:0.1 dropwise into the mortar, grind for 3 hours, and prepare Form a ZnO-ZnS com...
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