Optical thin film based on inorganic perovskite quantum dot and conjugated organic small molecule eutectic structure
A technology of optical thin films and quantum dots, applied in organic semiconductor devices, photovoltaic power generation, luminescent materials, etc., can solve the problems that the absorption and fluorescence characteristics cannot be independently designed, the light absorption coefficient is low, and the charge transport capacity of the film needs to be improved. Fluorescence quantum efficiency and chemical stability, the effect of improving light energy absorption and reducing energy loss
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] The CsPbBr of organic conjugated small molecule C8-BTBT structural formula and perovskite structure used in the following examples 3 Such as figure 1 Shown, CsPbBr 3 Quantum dots are synthesized by high-temperature thermal injection method, and the specific steps are as follows:
[0028]1) Preparation of cesium oleate: Take 0.2g of cesium carbonate, 10mL of octadecene, and 0.6mL of oleic acid into a 25mL three-necked flask at the same ti...
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