CPC C07F 15/0033 (2013.01) [C07F 15/0086 (2013.01); H10K 50/11 (2023.02); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02)] | 12 Claims |
1. A compound having a formula of M(LA)2(LB),
wherein a ligand LA has the structure of Formula I
wherein ring C is benzene;
wherein RA bonds para to the nitrogen of pyridine;
RB bonds meta relative to the bond to the pyridine and is selected from the group consisting of isopropyl, t-butyl, and cyclohexane;
when RB is isopropyl, RA is selected from the group consisting of
when RB is t-butyl, RA is selected from the group consisting of
when RB is cyclohexane, RA is selected from the group consisting of
RC is hydrogen;
M is Ir;
LB is
wherein Ra and Rc are methyl and Rb is hydrogen.
|