A method for preparing perovskite quantum dot-polymer porous composites
A porous composite material and composite material technology, applied in the field of preparing high-brightness and high-stability perovskite quantum dots-polymer porous composite materials, can solve the problem of large specific surface area, high surface energy and low stability of perovskite quantum dots and other problems, to achieve the effect of easy control of preparation parameters, simple process and high luminous brightness
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[0028] Dissolve lead methacrylate in methyl methacrylate (MMA) at a concentration of 6 × 10 -5 mol / mL solution 1mL, at the same time, add 0.03 g of 2-2 azobisisobutyronitrile (AIBN), mix well and filter out large particles with a filter, add the solution dropwise into sugar cubes and vacuum treatment to make the cubes. The air in the sugar is expelled, and the air in the sugar cube is expelled several times, and the solution fills the gap of the sugar cube. Wrap the sugar cube filled with the solution with aluminum foil to avoid loss due to evaporation of the solution. Placed in an oven at 65°C for crosslinking for 12 h. Immerse the cross-linked sugar cube in a large amount of distilled water to dissolve the sugar in it to obtain a polymer, and then vacuum dry the polymer after the sugar cube is dissolved to obtain thermally cross-linked polymethyl methacrylate copolymer lead methacrylate. Porous composites. Afterwards, cesium bromide was dissolved in dimethyl sulfoxide so...
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