Metal oxide nanoparticles and preparation method thereof, quantum dot light-emitting diode
AssigneeTcl Technology Group Corporation
InventorLuling Cheng
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Abstract
The present application discloses a method for preparing metal oxide nanoparticles, including the following steps: providing an organic reagent with a molecular formula of X—(SO2)—Y and a metal oxide nanoparticle sample, in which the metal oxide nanoparticle sample is an aqueous metal oxide nanoparticle; in X—(SO2)—Y, X contains polar functional groups; mixing the organic reagent and the metal oxide nanoparticle sample in a liquid medium and adding an alkaline reagent to a mixed solution of the organic reagent and the metal oxide nanoparticle sample to prepare the metal oxide nanoparticles. The method provided in the present application can reduce the surface defect state of metal oxide nanoparticles, thereby improving the stability of metal oxide nanoparticles.
Claims16
A method for preparing metal oxide nanoparticles, comprising the following steps:
- providing an organic reagent having a molecular formula of X—(SO2)—Y and a metal oxide nanoparticle sample, wherein the metal oxide nanoparticle sample is an aqueous metal oxide nanoparticle;
- in X—(SO2)—Y, X contains a polar functional group, and Y represents a substituent containing between 1 and 8 carbon atoms;
- and
- mixing the organic reagent and the metal oxide nanoparticle sample in a liquid medium to obtain a resulting mixed solution and adding an alkaline reagent to the resulting mixed solution to prepare the metal oxide nanoparticles.
Metal oxide nanoparticles, wherein the metal oxide nanoparticles are prepared by the following steps:
- providing an organic reagent having a molecular formula of X—(SO2)—Y and a metal oxide nanoparticle sample, wherein the metal oxide nanoparticle sample is an aqueous metal oxide nanoparticle;
- in X—(SO2)—Y, X contains a polar functional group, and Y represents a substituent containing between 1 and 8 carbon atoms;
- and
- mixing the organic reagent and the metal oxide nanoparticle sample in a liquid medium to obtain a resulting mixed solution and adding an alkaline reagent to the resulting mixed solution to prepare the metal oxide nanoparticles,
- wherein the metal oxide nanoparticles contain X—(SO2)—O− binding to metal atoms on surfaces of the metal oxide nanoparticles, in which, X is one selected from the group consisting of —(CH2)n—NH2, —(CH2)n—OH and —(CH2)n—COOH, wherein n is an integer ranging,
- between 1 and 18.
A quantum dot light-emitting diode, comprising a quantum dot light-emitting layer, wherein a material of the quantum dot light-emitting layer is metal oxide nanoparticles prepared by a method, comprising the following steps:
- providing an organic reagent having a molecular formula of X—(SO2)—Y and a metal oxide nanoparticle sample, wherein the metal oxide nanoparticle sample is an aqueous metal oxide nanoparticle;
- in X—(SO2)—Y, X contains a polar functional group, and Y represents a substituent containing between 1 and 8 carbon atoms;
- and
- mixing the organic reagent and the metal oxide nanoparticle sample in a liquid medium to obtain a resulting mixed solution and adding an alkaline reagent to the resulting mixed solution to prepare the metal oxide nanoparticles,
- wherein the metal oxide nanoparticles contain X—(SO2)—O− binding to metal atoms on surfaces of the metal oxide nanoparticles, in which, X is one selected from the group consisting of —(CH2)n—NH2, —(CH2)n—OH and —(CH2)n—COOH, wherein n is an integer ranging between 1 and 18.
Dependencies are inferred from the claim text.