US 12,305,099 B2
Metal oxide nanoparticles and preparation method thereof, quantum dot light-emitting diode
Luling Cheng, Guangdong (CN)
Assigned to TCL Technology Group Corporation, Huizhou (CN)
Filed by TCL TECHNOLOGY GROUP CORPORATION, Guangdong (CN)
Filed on Apr. 29, 2022, as Appl. No. 17/733,050.
Application 17/733,050 is a continuation of application No. PCT/CN2020/125188, filed on Oct. 30, 2020.
Claims priority of application No. 201911043479.6 (CN), filed on Oct. 30, 2019.
Prior Publication US 2022/0267671 A1, Aug. 25, 2022
Int. Cl. C09K 11/54 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); C01G 9/02 (2006.01); C01G 53/04 (2025.01); C09K 11/60 (2006.01); H10K 50/115 (2023.01)
CPC C09K 11/54 (2013.01) [C01G 9/02 (2013.01); C01G 53/04 (2013.01); C09K 11/602 (2013.01); H10K 50/115 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01)] 16 Claims
OG exemplary drawing
 
1. 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.