abstract |
Complexes and devices, such as organic light emitting devices and full color displays, including a compound of the formula wherein: M is Pd 2+ , Ir + , Rh + , or Au 3+ ; each of V 1 , V 2 , V 3 , and V 4 is coordinated to M and is independently N, C, P, B, or Si; each of L 1 , L 2 , L 3 , and L 4 is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and Z is O, S, NR, CR 2 , SiR 2 , BR, PR, where each R is independently substituted or unsubstituted C1-C4 alkyl or substituted or unsubstituted aryl. |