CPC H01L 51/0085 (2013.01) [C07F 15/0033 (2013.01); C09K 11/06 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/185 (2013.01); H01L 51/0054 (2013.01); H01L 51/0059 (2013.01); H01L 51/0067 (2013.01); H01L 51/0074 (2013.01); H01L 51/5016 (2013.01); H01L 2251/5384 (2013.01)] | 20 Claims |
1. A compound having the formula [LA]3-nIr[LB]n, having the structure:
wherein R1, R2, R3, R4, and R5 each independently represents mono, to a maximum possible number of substitutions, or no substitution;
wherein X is selected from the group consisting of BR′, NR′, PR′, O, S, Se, C═O, S═O, SO2, CR′R″, SiR′R″, and GeR′R″;
wherein R′, R″, R1, R2, R3, R4, and R5 are independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein any substitutions are optionally joined or fused into a ring;
wherein n is 1 or 2;
wherein R is selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, partially or fully fluorinated variants thereof, partially or fully deuterated variants thereof, and combination thereof; and
wherein R has at least five carbon atoms.
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