| abstract |
The present invention provides a novel N-arylcarbazole multimer that realizes an organic EL element having high durability and high light emission efficiency as a material for an organic EL element. The following general formula (I) (Wherein R1 and R2 represent a hydrogen atom, an alkyl group, an alkoxy group or an aryl group, Ar1 represents a divalent or trivalent group of an aromatic hydrocarbon, a divalent or trivalent group of a heterocyclic ring, Ar2 Represents a divalent group of an aromatic hydrocarbon, and n represents 2 or 3). [Selection] Figure 3 |