Functional nano Ti2O/Cu2O heterophase Fenton thin film and preparation method as well as use
A functional nano and heterogeneous technology, applied in chemical instruments and methods, anti-fouling/underwater coatings, chemical/physical processes, etc., can solve problems such as easy recombination, accelerated oxidation, and low carrier transport efficiency, and achieve chemical The effect of good stability and wide application prospects
- Application Information
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Problems solved by technology
 Example 1.
 Preparation of TiO by Electrochemical Method 2 / Cu 2 O nanocomposites to finally obtain functional nano-TiO 2 / Cu 2 Process of O Heterogeneous Fenton Composite Film Material:
 Add 2 g of mechanically ground nano-TiO to the cathode cell prior to electrolysis 2 (P25, TiO containing 80% anatase and 20% rutile 2 , Dessuga Co) electrolyte is 0.1 mol / L NaOH alkaline solution, titanium is used as cathode; 1M NaCl salt solution is added to the anode pool, copper plate is used as anode, and copper is reduced to Cu by electrolysis 2 O. During electrolysis, the control current is 0.5A, the temperature is about 80°C, the reaction time is 20 minutes, and the stirring should be continued during the electrolysis process. The electrolyzed product was centrifuged, washed with ethanol and distilled water for three times, and vacuum-dried at 60 °C to obtain TiO. 2 / Cu 2 O (mass ratio of 1:1) nanocomposite. 1 g of the obtained TiO 2 / Cu 2 O nanocompo...
 Example 2.
 Preparation of TiO by chemical deposition 2 / Cu 2 O nanocomposites to finally obtain nano-TiO 2 / Cu 2 Process of O Heterogeneous Fenton Composite Film Material:
 Add 4g of mechanically ground nano-TiO to 200ml of diethylene glycol solvent 2 (P25, TiO containing 80% anatase and 20% rutile 2 , Dessuga Co) and 0.1 M copper acetate, and stir to make the TiO 2 Disperse evenly in the system. The temperature was raised to about 180°C, the reaction time was 3 hours, and the stirring should be continued during the reaction. After the reaction was completed, the product was centrifuged, washed with ethanol for three times, and vacuum-dried at 60 °C to obtain TiO. 2 / Cu 2 O nanocomposites. The obtained 2g of the above composite material was mixed with 15ml of lithium water glass (Li 2 SiO 3 , with 20% SiO 2 , Central China Normal University New Materials Factory) mixed, uniformly coated on the surface of glass fiber cloth (300mm × 300mm) to...
 Example 3.
 Preparation of TiO by hydrothermal (or solvothermal) method 2 / Cu 2 O nanocomposites to finally obtain nano-TiO 2 / Cu 2 Process of O Heterogeneous Fenton Composite Film Material:
 Before the reaction, 3g of mechanically ground nano-TiO was added to 80ml of ethanol-water mixed solvent (the volume ratio of ethanol and water was 1:3). 2 (P25, TiO containing 80% anatase and 20% rutile 2 , Dessuga Co) and 0.05M copper sulfate, adjust the pH to 7-9, ultrasonically make the TiO 2 Disperse evenly in the system. Transfer the mixed solution to a hydrothermal kettle, put it into a muffle furnace, raise the temperature to 180-200°C, and the reaction time is 18 hours. After the reaction is completed, the product is centrifuged, washed three times with ethanol and distilled water, and vacuum-dried at 60 °C to obtain TiO. 2 / Cu 2 O nanocomposites. The obtained 3g of the above TiO 2 / Cu 2 O nanocomposite with 15ml lithium water glass (Li 2 SiO ...
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