	US 12,391,870 B2
	Coated semiconductor nanoparticles and method for producing the same
Kazuya Tobishima, Annaka (JP); Shinji Aoki, Annaka (JP); and Yoshihiro Nojima, Annaka (JP)
Assigned to SHIN-ETSU CHEMICAL CO., LTD., Tokyo (JP)
Appl. No. 17/923,940
Filed by SHIN-ETSU CHEMICAL CO., LTD., Tokyo (JP)
PCT Filed Apr. 19, 2021, PCT No. PCT/JP2021/015838 § 371(c)(1), (2) Date Nov. 8, 2022, PCT Pub. No. WO2021/235152, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. 2020-086918 (JP), filed on May 18, 2020.
Prior Publication US 2023/0174851 A1, Jun. 8, 2023
Int. Cl. C09K 11/02 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); C08K 9/02 (2006.01); C09K 11/08 (2006.01); C09K 11/88 (2006.01); H10H 20/851 (2025.01)

CPC C09K 11/025 (2013.01) [C08K 9/02 (2013.01); C09K 11/0883 (2013.01); C09K 11/883 (2013.01); H10H 20/8512 (2025.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C08K 2201/011 (2013.01)]

15 Claims

1. A method for producing coated semiconductor nanoparticles, comprising a step of coating the surface of semiconductor nanoparticles with a metal oxide,

wherein the semiconductor nanoparticles used in the coating step are comprised of a semiconductor nanoparticle core and one or more semiconductor nanoparticle shells covering the semiconductor nanoparticle core, and

wherein the surface of the semiconductor nanoparticles is coated with the metal oxide by treating a metal oxide precursor with microwave irradiation treatment.