| abstract |
The invention belongs to the technical field of display, and in particular relates to a composite material and a preparation method thereof, a light-emitting film and a display device. The composite material provided by the present invention includes: mesoporous oxide material and quantum dots, the mesoporous oxide material has a wrinkled structure, and the quantum dots are attached to the wrinkled structure. In this way, agglomeration of quantum dots during film formation can be avoided, good photostability can be ensured, and the fluorescence emitted by quantum dots can be reflected by the folded wall, pass through the fluorescence emission channel and be emitted outward, which can be to a certain extent. Improve the quantum efficiency of composite materials. |