Phosphorescent tetradentate metal complexes having modified emission spectra
Multidentate metal complexes useful as phosphorescent emitters in display and lighting applications having the following structures:
1. A composition comprising one or more compounds of the formula:
wherein
M represents platinum (Pt), gold (Au), iridium (Ir), rhodium (Rh), ruthenium (Ru), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), silver (Ag), mercury (Hg), cadmium (Cd), or zirconium (Zr),
R a and R b each independently represents mono-, di-, tri, or tetra-substitution, and each independently represents deuterium, a halogen atom, a hydroxyl group, a thiol group, a nitro group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted haloalkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted amino group, a substituted or unsubstituted mono- or dialkylamino group, a substituted or unsubstituted mono- or diarylamino group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted heteroaryl group, an alkoxycarbonyl group, an acyloxy group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a sulfamoyl group, a carbamoyl group, an alkylthio group, a sulfinyl group, a ureido group, a phosphoramide group, a mercapto group, a sulfo group, a carboxyl group, a hydrazino group, a substituted silyl group, a polymeric group, or a combination thereof,
V 3 is C,
V 4 is N,
X is N,
A 1 is O,
R 1 , R 2 , R 3 R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 each independently represents hydrogen, deuterium, a halogen atom, a hydroxyl group, a thiol group, a nitro group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted haloalkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aryl group, an amino group, a mono- or dialkylamino group, a mono- or diarylamino group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted heteroaryl group, an alkoxycarbonyl group, an acyloxy group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a sulfamoyl group, a carbamoyl group, an alkylthio group, a sulfinyl group, a ureido group, a phosphoramide group, a mercapto group, a sulfo group, a carboxyl group, a hydrazino group, a substituted silyl group, a polymeric group, or a combination thereof; and
at least one of R 1 , R 2 , R 3 , and R 4 is not hydrogen.
2. The composition of claim 1 , wherein the polymeric group comprises a polyalkylene, a polyether, or a polyester.
3. The composition of claim 1 , wherein the each of the one or more compounds has a neutral charge.
4. A composition comprising one or more of the following compounds:
5. A composition comprising one or more of the following compounds:
6. A device comprising the composition of claim 1 .
7. The device of claim 6 , wherein the device comprises a full color display.
8. The device of claim 6 , wherein the device is a photovoltaic device.
9. The device of claim 6 , wherein the device is a luminescent display device.
10. The device of claim 6 , wherein the device comprises an organic light emitting diode (OLED).
11. The device of claim 10 , wherein the device comprises a phosphorescent organic light emitting diode.
12. The device of claim 10 , wherein the device is a phosphorescent organic light emitting diode.
13. A light emitting device comprising the composition of claim 1 .
14. A light emitting device comprising the composition of claim 4 .
15. The composition of claim 1 , wherein R a represents mono- or di-substitution, and each independently represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group.
16. The composition of claim 1 , wherein R a represents mono-substitution and represents an unsubstituted aryl group; or R a represents di-substitution and each R a represents an unsubstituted alkyl group.
17. The composition of claim 1 , wherein R b represents mono-substitution and represents an unsubstituted alkyl group.
18. The composition of claim 1 , wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 each independently represents hydrogen, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted haloalkyl group, a substituted or unsubstituted aryl group, a mono- or dialkylamino group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted heteroaryl group.
19. A device comprising the composition of claim 4 .
20. A device comprising the composition of claim 5 .