US 12,382,823 B2
Semiconductor nanocrystal particle and production methods thereof
Jihyun Min, Seoul (KR); Eun Joo Jang, Suwon-si (KR); Edward H. Sargent, Toronto (CA); Hyo Sook Jang, Suwon-si (KR); Makhsud I. Saidaminov, Toronto (CA); Sjoerd Hoogland, Toronto (CA); Ankit Jain, Bombay (IN); Andrew Johnston, Whitby (CA); and Oleksandr Voznyy, Thornhill (CA)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR); and THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO, Toronto (CA)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and The Governing Council of the University of Toronto, Toronto (CA)
Filed on Apr. 25, 2022, as Appl. No. 17/727,940.
Application 17/727,940 is a continuation in part of application No. 16/986,384, filed on Aug. 6, 2020, granted, now 11,312,904.
Claims priority of provisional application 62/883,304, filed on Aug. 6, 2019.
Claims priority of application No. 10-2020-0096638 (KR), filed on Aug. 3, 2020.
Prior Publication US 2022/0246876 A1, Aug. 4, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 85/30 (2023.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); C09K 11/74 (2006.01); C09K 11/75 (2006.01); H10K 50/115 (2023.01); H10K 85/50 (2023.01)
CPC H10K 85/30 (2023.02) [C09K 11/7435 (2013.01); C09K 11/756 (2013.01); H10K 50/115 (2023.02); H10K 85/381 (2023.02); H10K 85/50 (2023.02); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A semiconductor nanocrystal particle represented by Chemical Formula 1:
AxA′(3+α−x)D(2+β)E9+γ)  Chemical Formula 1
wherein, in Chemical Formula 1,
A is a first metal comprising Rb, Cs, or a combination thereof,
A′ is an organic material derived from an ammonium salt, an organic material derived from an organic ligand, or an organic material comprising a combination thereof,
D is a second metal comprising Sb, Bi, or a combination thereof
E is Cl, Br, I, or a combination thereof,
1<x≤3,
−1<α<1,
3+α−x>0,
−1<β<1, and
−1<γ<1.