| abstract |
A composition comprising a first compound and a second compound is described. The composition can be a mixture of a first compound having a structure according to Formula I,n nand a second compound having a structure according to Formula II,n n The composition can also be a mixture of a first compound having a structure according to Formula III,n nand a second compound having a structure according to Formula IV,n nDevices, such as OLEDs, that include the compositions for Formulas I & II or Formulas III & IV, as well as, methods of making the same are also described. |