Light-emitting material, and organic light-emitting element
The compound represented by the following general formula is useful as a light-emitting material for an organic light-emitting device. Z 1 , Z 2 and Z 3 in the following general formula each independently represent a substituent.
1. A light-emitting material comprising a compound represented by the following formula (1):
wherein Z 1 , Z 2 and Z 3 each independently represent an aryl group substituted by a substituted or unsubstituted diarylamino group.
2. The light-emitting material according to claim 1 , wherein Z 1 , Z 2 and Z 3 in the formula (1) are the same.
3. The light-emitting material according to claim 1 , wherein the compound has a structure represented by the following formula (3):
wherein Ar 11 , Ar 12 , Ar 13 , Ar 14 , Ar 15 and Ar 16 each independently represent a substituted or unsubstituted aryl group.
4. A delayed fluorescence emitter having a structure represented by the following formula (1):
wherein Z 1 , Z 2 and Z 3 each independently represent an aryl group substituted by a substituted or unsubstituted diarylamino group.
5. An organic light-emitting device comprising as a light-emitting material a compound represented by the following formula (1):
wherein Z 1 , Z 2 and Z 3 each independently represent an aryl group substituted by a substituted or unsubstituted diarylamino group.
6. The organic light-emitting device according to claim 5 , which is an organic electroluminescent device containing an anode, a cathode, and at least one organic layer containing a light-emitting layer between the anode and the cathode, and contains the light-emitting material in the light-emitting layer.
7. The organic light-emitting device according to claim 5 , which emits delayed fluorescent light.