Triarylamine derivative, light-emitting substance, light-emitting element, light-emitting device, and electronic device
A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; α represents a substituted or unsubstituted naphthyl group; β represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R 1 to R 8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.
1. A triarylamine derivative represented by a general formula (G1),
wherein Ar represents any of substituents represented by structural formulae (Ar-1) to (Ar-4),
wherein α represents any of substituents represented by structural formulae (α-1) and (α-2),
wherein β represents any of substituents represented by structural formulae (β-2) and (β-3),
wherein n and m each independently represent 1 or 2, and
wherein R 1 to R 8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a phenyl group.
2. The triarylamine derivative according to claim 1 , wherein n and m in the general formula (G1) represent 1.
3. A light-emitting device comprising:
an anode;
a cathode; and
an EL layer between the anode and the cathode, the EL layer comprising the triarylamine derivative according to claim 1 .
4. The light-emitting device according to claim 3 , wherein the EL layer comprises a light-emitting layer comprising the triarylamine derivative.
5. The light-emitting device according to claim 3 , wherein the EL layer comprises a hole transporting layer comprising the triarylamine derivative.
6. A display device comprising the light-emitting device according to claim 3 .
7. A lighting apparatus comprising the light-emitting device according to claim 3 .
8. A triarylamine derivative represented by a general formula (G1),
wherein Ar represents any of substituents represented by structural formulae (Ar-1) to (Ar-4),
wherein α represents any of substituents represented by structural formulae (α-1) and (α-2),
wherein β represents hydrogen or a substituted or unsubstituted naphthyl group,
wherein n and m each independently represent 1 or 2, and
wherein R 1 to R 8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a phenyl group.
9. The triarylamine derivative according to claim 8 , wherein n and m in the general formula (G1) represent 1.
10. A light-emitting device comprising:
an anode;
a cathode; and
an EL layer between the anode and the cathode, the EL layer comprising the triarylamine derivative according to claim 8 .
11. The light-emitting device according to claim 10 , wherein the EL layer comprises a light-emitting layer comprising the triarylamine derivative.
12. The light-emitting device according to claim 10 , wherein the EL layer comprises a hole transporting layer comprising the triarylamine derivative.
13. A display device comprising the light-emitting device according to claim 10 .
14. A lighting apparatus comprising the light-emitting device according to claim 10 .
15. A triarylamine derivative represented by a general formula (G1),
wherein Ar represents any of substituents represented by structural formulae (Ar-1) to (Ar-4),
wherein α represents a substituted or unsubstituted naphthyl group,
wherein β represents any of substituents represented by structural formulae (β-1) to (β-3),
wherein n and m each independently represent 1 or 2, and
wherein R 1 to R 8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a phenyl group.
16. The triarylamine derivative according to claim 15 , wherein n and m in the general formula (G1) represent 1.
17. A light-emitting device comprising:
an anode;
a cathode; and
an EL layer between the anode and the cathode, the EL layer comprising the triarylamine derivative according to claim 15 .
18. The light-emitting device according to claim 17 , wherein the EL layer comprises a light-emitting layer comprising the triarylamine derivative.
19. The light-emitting device according to claim 17 , wherein the EL layer comprises a hole transporting layer comprising the triarylamine derivative.
20. A display device comprising the light-emitting device according to claim 17 .
21. A lighting apparatus comprising the light-emitting device according to claim 17 .
22. A triarylamine derivative comprising:
a naphthyl group bonded to a nitrogen through a phenylene group or a biphenylene group;
an aryl group bonded to the nitrogen, the aryl group being selected from substituents represented by structural formulae (Ar-1) to (Ar-4); and
one of the naphthyl group or hydrogen,
wherein the one of the naphthyl group and hydrogen is bonded to the nitrogen through a phenylene group or a biphenylene group.
23. The triarylamine derivative according to claim 22 , wherein the naphthyl group is selected from substituents represented by structural formulae (α-1) and (α-2):
24. A light-emitting device comprising:
an anode;
a cathode; and
an EL layer between the anode and the cathode, the EL layer comprising the triarylamine derivative according to claim 22 .
25. The light-emitting device according to claim 24 , wherein the EL layer comprises a light-emitting layer comprising the triarylamine derivative.
26. The light-emitting device according to claim 24 , wherein the EL layer comprises a hole transporting layer comprising the triarylamine derivative.
27. A display device comprising the light-emitting device according to claim 24 .
28. A lighting apparatus comprising the light-emitting device according to claim 24 .