Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device
A novel organic compound having a high hole-transport property is provided. A long-lifetime light-emitting element is provided. An organic compound represented by General Formula (G0) is provided. In General Formula (G0), Ar 1 represents a substituted or unsubstituted naphthyl group, Ar 2 represents a substituted or unsubstituted carbazolyl group, Ar 3 represents a substituted or unsubstituted fluorenyl group or a substituted or unsubstituted spirofluorenyl group, and α 1 and α 2 each independently represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group.
1. A light-emitting element comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising:
a light-emitting substance; and
an organic compound represented by General Formula (G0),
wherein Ar 1 represents a naphthyl group,
wherein Ar 2 represents a carbazolyl group,
wherein Ar 3 represents a fluorenyl group or a spirofluorenyl group,
wherein α 1 and α 2 each independently represent a phenylene group or a biphenyldiyl group,
wherein the naphthyl group, the carbazolyl group, the fluorenyl group, the spirofluorenyl group, the phenylene group, and the biphenyldiyl group are each independently unsubstituted or substituted with a substituent, and
wherein the substituent is an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 25 carbon atoms.
2. The light-emitting element according to claim 1 , further comprising a hole-transport layer in contact with the light-emitting layer, the hole-transport layer comprising a second organic compound represented by General Formula (G0),
wherein Ar 1 represents a naphthyl group,
wherein Ar 2 represents a carbazolyl group,
wherein Ar 3 represents a fluorenyl group or a spirofluorenyl group,
wherein α 1 and α 2 each independently represent a phenylene group or a biphenyldiyl group,
wherein the naphthyl group, the carbazolyl group, the fluorenyl group, the spirofluorenyl group, the phenylene group, and the biphenyldiyl group are each independently unsubstituted or substituted with a substituent, and
wherein the substituent is an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 25 carbon atoms.
3. The light-emitting element according to claim 1 , further comprising a hole-transport layer in contact with the light-emitting layer, the hole-transport layer comprising the organic compound.
4. An electronic device comprising the light-emitting element according to claim 1 .
5. A lighting device comprising the light-emitting element according to claim 1 .
6. A light-emitting element comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising:
a light-emitting substance; and
an organic compound represented by General Formula (G1),
wherein Ar 1 represents a naphthyl group,
wherein Ar 3 represents a fluorenyl group or a spirofluorenyl group,
wherein Ar 4 represents an aryl group having 6 to 25 carbon atoms,
wherein α 1 represents a phenylene group or a biphenyldiyl group,
wherein R 11 to R 17 and R 21 to R 24 each independently represent hydrogen, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 25 carbon atoms,
wherein the naphthyl group, the fluorenyl group, the spirofluorenyl group, the phenylene group, and the biphenyldiyl group are each independently unsubstituted or substituted with a substituent, and
wherein the substituent is an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 25 carbon atoms.
7. The light-emitting element according to claim 6 , wherein the organic compound is represented by General Formula (G2)
and
wherein R 31 to R 35 each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms.
8. The light-emitting element according to claim 6 , wherein the organic compound is represented by General Formula (G3)
wherein R 41 to R 47 and R 51 to R 54 each independently represent hydrogen, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 25 carbon atoms, and
wherein R 31 to R 35 each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms.
9. The light-emitting element according to claim 6 , further comprising a hole-transport layer in contact with the light-emitting layer, the hole-transport layer comprising a second organic compound represented by General Formula (G1),
wherein Ar 1 represents a naphthyl group,
wherein Ar 3 represents a fluorenyl group or a spirofluorenyl group,
wherein Ar 4 represents an aryl group having 6 to 25 carbon atoms,
wherein α 1 represents a phenylene group or a biphenyldiyl group,
wherein R 11 to R 17 and R 21 to R 24 each independently represent hydrogen, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 25 carbon atoms,
wherein the naphthyl group, the fluorenyl group, the spirofluorenyl group, the phenylene group, and the biphenyldiyl group are each independently unsubstituted or substituted with a substituent, and
wherein the substituent is an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 25 carbon atoms.
10. The light-emitting element according to claim 6 , further comprising a hole-transport layer in contact with the light-emitting layer, the hole-transport layer comprising the organic compound.
11. An electronic device comprising the light-emitting element according to claim 6 .
12. A lighting device comprising the light-emitting element according to claim 6 .