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US 2025/0026661 A1Published application
Nanoparticle, preparation method therefor, and light-emitting diode
AssigneeTcl Technology Group Corporation
InventorHua JIANG
Life of this patent
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Abstract
A nanoparticle, a preparation method therefor, and a light-emitting diode are disclosed. The nanoparticle provided in the present application includes a zinc oxide nanoparticle as a core, and a silicon dioxide coating layer partially coating the zinc oxide nanoparticle as a shell, such that the nanoparticle has an asymmetric electronic structure, and the interaction of different material interfaces may be reduced, thereby improving the stability and conductivity of the material.
Claims20
A nanoparticle, comprising:
- a zinc oxide nanoparticle and a silicon dioxide coating layer, wherein a surface of the zinc oxide nanoparticle is partially covered with the silicon dioxide coating layer.
A preparation method for a nanoparticle, comprising:
- providing a nanoparticle having a zinc oxide nanoparticle core and a silicon dioxide coating layer;
- suspending the nanoparticle having the zinc oxide nanoparticle core and the silicon dioxide coating layer at a junction of an aqueous solution and an oil phase solution;
- adding an acid etching solution to the aqueous solution, and acid etching to remove the silicon dioxide coating layer in the nanoparticle that is in contact with the aqueous solution to obtain the nanoparticle.
A light-emitting diode, comprising:
- an anode, a cathode, and a light-emitting layer arranged between the anode and the cathode, wherein an electron transport layer is further provided between the cathode and the light-emitting layer, a material of the electron transport layer comprises a nano-film, the nano-film comprises a zinc oxide nanoparticle and a silicon dioxide coating layer, and at least part of a surface of the zinc oxide nanoparticle is partially coated with the silicon dioxide coating layer.
Dependencies are inferred from the claim text.