US 12,312,520 B2
Rare earth oxide nanosheet composite modified by organic ligand, preparation method and OLED luminescent film
Wei Yang, Shanghai (CN); Zaidao Yu, Shanghai (CN); Lili Jiang, Shanghai (CN); Yue Yang, Shanghai (CN); and Chaozhong Chen, Shanghai (CN)
Assigned to Shanghai Alpha Lighting Equipment Testing Ltd. (SALT), Shanghai (CN); China National Lighting Fitting Quality Inspection and Testing Centre (CLTC), Shanghai (CN); and National Center of Inspection and Testing on Electric Light Source Quality (Shanghai), Shanghai (CN)
Filed by Shanghai Alpha Lighting Equipment Testing Ltd. (SALT), Shanghai (CN); China National Lighting Fitting Quality Inspection and Testing Centre (CLTC), Shanghai (CN); and National Center of Inspection and Testing on Electric Light Source Quality (Shanghai), Shanghai (CN)
Filed on Aug. 18, 2022, as Appl. No. 17/890,309.
Claims priority of application No. 202111079948.7 (CN), filed on Sep. 15, 2021.
Prior Publication US 2023/0083729 A1, Mar. 16, 2023
Int. Cl. C09K 11/02 (2006.01); C01F 17/241 (2020.01); C09K 11/77 (2006.01); H10K 85/30 (2023.01); H10K 50/115 (2023.01)
CPC C09K 11/025 (2013.01) [C01F 17/241 (2020.01); C09K 11/7769 (2013.01); C09K 11/7787 (2013.01); H10K 85/341 (2023.02); H10K 85/351 (2023.02); H10K 85/361 (2023.02); C01P 2004/03 (2013.01); C01P 2004/24 (2013.01); C01P 2006/40 (2013.01); H10K 50/115 (2023.02)] 12 Claims
OG exemplary drawing
 
1. A preparation method of a rare earth oxide nanosheet composite modified by an organic ligand, comprising steps as follows: adding the organic ligand into a rare earth oxide nanosheet sol for ultrasonic coordination, and ultrasonically processing at 40-60% of a rated power for 20-40 min to obtain the rare earth oxide nanosheet composite modified by the organic ligand, wherein a mole ratio of the rare earth oxide nanosheet sol to the organic ligand is 1:3 to 1:9.