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 general formula (A2),
wherein Ar represents an aryl group,
wherein β represents a substituent represented by structural formula (β-2) or formula (β-3),
wherein X represents a halogen,
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 carbons atoms, and a phenyl group.
2. The triarylamine derivative according to claim 1 , wherein the halogen is any one of chlorine, bromine, and iodine.
3. The triarylamine derivative according to claim 1 , wherein n and m in the general formula (A2) represent 1.
4. The triarylamine derivative according to claim 1 ,
wherein n in the general formula (A2) represents 2, and
wherein m in the general formula (A2) represents 1.
5. The triarylamine derivative according to claim 1 , wherein Ar is a phenyl group or a biphenyl group.
6. A triarylamine derivative represented by a general formula (A2),
wherein Ar represents a biphenyl group,
wherein β represents a naphthyl group,
wherein X represents halogen,
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.
7. The triarylamine derivative according to claim 6 , wherein β represents a substituent represented by structural formula (β-2) or (β-3),
8. The triarylamine derivative according to claim 6 , wherein the halogen is any one of chlorine, bromine, and iodine.
9. The triarylamine derivative according to claim 6 , wherein n and m in the general formula (A2) represent 1.
10. The triarylamine derivative according to claim 6 ,
wherein n in the general formula (A2) represents 2, and
wherein m in the general formula (A2) represents 1.
11. A triarylamine derivative represented by a general formula (A2),
wherein Ar represents a biphenyl group,
wherein β represents a naphthyl group,
wherein X represents halogen,
wherein n represents 2,
wherein m represents 1, 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.
12. The triarylamine derivative according to claim 11 , wherein β represents a substituent represented by structural formula (β-2) or (β-3),
13. The triarylamine derivative according to claim 11 , wherein the halogen is any one of chlorine, bromine, and iodine.
14. The triarylamine derivative according to claim 11 , wherein R 1 to R 8 each independently represents hydrogen.