Quantum dot light-emitting layer and preparation method and application thereof
A quantum dot light-emitting and quantum dot technology, which is applied in the manufacture of semiconductor/solid-state devices, electrical components, and electric solid-state devices, etc., can solve problems such as high requirements for equipment capability and precision, great influence on the luminous efficiency of quantum dots, and complex process.
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Embodiment 1
[0077] A method for preparing a quantum dot luminescent layer, specifically comprising the steps of:
[0078] (1) Preparation of the charged core quantum dot deposition solution: react the octadecene solution of the InP core with vinyltriethoxysilane for 6 minutes to obtain an intermediate product; add sodium acetate to mix at 220°C, Among them, the molar concentration of the InP core in the octadecene solution is 2.5mol / L, the concentration of vinyltriethoxysilane in the octadecene solution is 0.5mol / L, and the molar concentration of sodium acetate in the octadecene solution is 120mol / L; Reaction 45min, obtain charged InP core deposition solution (red light core quantum dot deposition solution); Under the same conditions, replace the InP core with CsPbBr 3 Core, repeat the above steps to get charged CsPbBr 3 Core deposition solution (green light core quantum dot deposition solution); replace the InP core with a CdSe core, repeat the above steps to obtain a charged InP core ...
Embodiment 2
[0083] A kind of preparation method of quantum dot luminescent layer, its difference with embodiment 1 only lies in step (1) InP core quantum dot, CsPbBr in octadecene solution 3 The molar concentration of core quantum dots and CdSe core quantum dots is 0.25mol / L, and the molar concentration of sodium acetate in the octadecene solution is 12mol / L; other component dosages and experimental conditions are all the same as in Example 1, and the quantum Point glow layer.
Embodiment 3
[0085] A kind of preparation method of quantum dot luminescent layer, its difference with embodiment 1 only lies in step (1) InP core quantum dot, CsPbBr in octadecene solution 3 The molar concentration of the core quantum dots and the CdSe core quantum dots is 5mol / L, and the molar concentration of sodium acetate in the octadecene solution is 240mol / L; other component dosages and experimental conditions are the same as in Example 1, and the quantum dots are obtained luminous layer.
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