Non-platinum metal complexes for excimer based single dopant white organic light emitting diodes
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.
1. A compound of General Formula I:
wherein:
M is Pd 2+ , Ir + , or Rh + ;
each of V 1 , V 2 , V 3 , and V 4 is coordinated to M and is independently N, C, P, B, or Si, wherein at least one of V 1 and V 2 is C;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and 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 C 1 -C 4 alkyl or substituted or unsubstituted aryl.
2. The compound of claim 1 , wherein the compound has one of the following structures:
3. A light emitting device comprising the compound of claim 1 .
4. An OLED device comprising the compound of claim 1 .
5. The OLED device of claim 4 , wherein the device is a phosphorescent OLED device.
6. A photovoltaic device comprising the compound of claim 1 .
7. A luminescent display device comprising the compound claim 1 .
8. The compound of claim 1 , wherein at least one of V 3 and V 4 is C.
9. A compound of General Formula I:
wherein:
M is Pd 2+ ;
each of V 1 and V 2 is N;
each of V 3 and V 4 is C;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and
Z is BR, PR,
where each R is independently substituted or unsubstituted C 1 -C 4 alkyl or substituted or unsubstituted aryl.
10. The compound of claim 9 , wherein the compound has one of the following structures:
11. A compound of General Formula I:
wherein:
M is Pd 2+ , Ir k , Rh + , or Au 3+ ;
each of V 1 and V 2 is N;
each of V 3 and V 4 is C;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and
Z is CR 2 or SiR 2 , where R 2 represents a biphenyl group, and each of CR 2 and SiR 2 represents a fluorenyl group.
12. The compound of claim 11 , wherein the compound has one of the following structures:
13. A compound of General Formula I:
wherein:
M is Pd 2+ , Ir k , Rh + , or Au 3+ ;
V 1 and V 2 are coordinated to M and are each independently N, C, P, B, or Si, wherein at least one of V 1 and V 2 is C;
V 3 and V 4 are coordinated to M and are each N;
each of L 1 , L 2 , L 3 , and L 4 is a six-membered ring and 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 C 1 -C 4 alkyl or substituted or unsubstituted aryl.
14. A light emitting device comprising the compound of claim 13 .
15. An OLED device comprising the compound of claim 13 .
16. The OLED device of claim 15 , wherein the device is a phosphorescent OLED device.
17. A photovoltaic device comprising the compound of claim 13 .
18. A luminescent display device comprising the compound claim 13 .