CPC H01L 51/0087 (2013.01) [C07F 15/0086 (2013.01); C09K 11/06 (2013.01); C09K 2211/1074 (2013.01); C09K 2211/185 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01)] | 20 Claims |
1. A compound selected from the group consisting of:
wherein,
A, B, C, D, and F are each independently a 5-membered or 6-membered aromatic ring;
ring B may or may not be present;
M is selected from the group consisting of Pt, Pd, Cu, and Au;
Z1, Z2, Z3, Z4, Z5, Z6, Z6′, Z7 and Z7′ are each independently selected from the group consisting of C and N;
wherein one of Z6′ and Z7′ is a neutral carbene carbon, and the other one of Z6′ and Z7′ is an anionic carbon;
m1, m2 and m3 are each independently an integer of 0 or 1; when m2 is 0, each m1 and m3 is 1: when m2 is 1, each m1 and m3 can be 0 or 1;
when m1 is 0, L1 is not present; when m2 is 0, L2 is not present; when m3 is 0, L3 is not present;
L1, L2, and L3 each independently selected from the group consisting of a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO2, CRR′, SiRR′, GeRR′, alkyl, cycloalkyl, and combinations thereof;
each RA, RB, RC, RD, and RE represents mono- to maximum possible number of substitutions, or no substitution;
each RA, RB, RC, RD, RE, R and R′ is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, boryl, and combinations thereof,
R1 is selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof, and
any two substituents can be joined or fused into a ring, provided that, in Formula I, if ring C is a 5-membered aromatic ring, L2 is present and is a direct bond, then at least one pair of RD, one pair of RE, or one RD and one RE are joined together to form a fused ring.
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