CPC H10K 85/346 (2023.02) [C07F 15/0086 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/185 (2013.01); C09K 2211/188 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] | 17 Claims |
1. A phosphorescent metal complex of formula (I) below:
![]() wherein R1 and R2 are the same or different, and are independently selected from aryl, heteroaryl and heteroarylaryl, wherein the aryl and heteroaryl are optionally substituted with one to five substituents selected from halogen, alkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, arylamino, diarylamino, haloalkyl, cyano, nitro, alkenyl, alkynyl, aryl, and heteroaryl optionally substituted with one to three aryl groups;
R3 is the same or different, and is independently selected from halogen, alkyl, haloalkyl, alkoxy, alkylthio, amino, alkylamino, dialkylamino, cyano, nitro, alkenyl, and alkynyl;
M is Cu(I), Ag(I) or Au(I); and
An− is an anionic group, wherein n is 1 or 2.
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