Triazine compounds substituted with bulky groups
The present invention relates to a triazine compound according to formula 1: suitable for use as a layer material for electronic devices, and to an organic semiconductor layer comprising at least one compound according to formula 1, as well as to an organic electronic device comprising at least one organic semiconductor layer, and a method of manufacturing the same.
1. A triazine compound according to formula 1:
wherein
X is O, S or Se;
a, b, c, d are selected from 0 or 1, wherein 1≤a+b+c+d≤3;
n is selected from 0, 1 or 2,
Ar 1 is selected from C 1 to C 16 alkyl, substituted or unsubstituted C 6 to C 40 aryl, substituted or unsubstituted C 3 to C 40 heteroaryl, wherein
the substituents of the substituted C 6 to C 40 aryl and substituted C 3 to C 40 heteroaryl are selected from C 1 to C 16 alkyl, C 1 to C 16 alkoxy, C 3 to C 16 branched alkyl, C 3 to C 16 cyclic alkyl, C 3 to C 16 branched alkoxy, C 3 to C 16 cyclic alkoxy, partially or perfluorinated C 1 to C 16 alkyl, partially or perfluorinated C 1 to C 16 alkoxy, partially or perdeuterated C 1 to C 16 alkyl, partially or perdeuterated C 1 to C 16 alkoxy, C 6 to C 24 aryl, C 3 to C 25 heteroaryl, -PX(R 1 ) 2 , D, F or CN, wherein
R 1 is independently selected from C 1 to C 16 alkyl, C 1 to C 16 alkoxy, partially or perfluorinated C 1 to C 16 alkyl, partially or perfluorinated C 1 to C 16 alkoxy, partially or perdeuterated C 1 to C 16 alkyl, partially or perdeuterated C 1 to C 16 alkoxy, C 6 to C 18 aryl, C 3 to C 25 heteroaryl;
Ar 2 , Ar 3 , Ar 4 , Ar 5 and Ar 6 are independently selected from substituted or unsubstituted C 6 to C 12 aryl or substituted or unsubstituted C 4 to C 10 heteroaryl, wherein
the substituent of the substituted C 6 to C 12 aryl or substituted C 4 to C 10 heteroaryl is selected from C 1 to C 6 alkyl, C 1 to C 6 alkoxy, partially or perdeuterated C 1 to C 6 alkyl, partially or perdeuterated C 1 to C 6 alkoxy, partially or perfluorinated C 1 to C 6 alkyl, partially or perfluorinated C 1 to C 6 alkoxy, D, F, or CN.
2. The triazine compound of formula 1 according to claim 1 , wherein X is selected from O or S.
3. The triazine compound of formula 1 according to claim 1 , wherein
Ar 1 is selected from C 1 to C 12 alkyl, substituted or unsubstituted C 6 to C 24 aryl or substituted or unsubstituted C 3 to C 36 heteroaryl, wherein
the substituents of the substituted C 6 to C 24 aryl and substituted C 3 to C 36 heteroaryl are selected from C 1 to C 12 alkyl, C 1 to C 12 alkoxy, partially or perfluorinated C 1 to C 12 alkyl, partially or perfluorinated C 1 to C 16 alkoxy, partially or perdeuterated C 1 to C 12 alkyl, partially or perdeuterated C 1 to C 16 alkoxy, C 6 to C 18 aryl, C 3 to C 25 heteroaryl, D, F or CN.
4. The triazine compound of formula 1 according to claim 1 , wherein
Ar 1 is selected from the group comprising unsubstituted C 6 to C 24 aryl and C 6 or C 12 aryl.
5. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B1 to B6,
wherein
B1 to B6 are substituted or unsubstituted non-heteroaryl groups:
6. The triazine compound of formula 1 according to claim 1 , wherein
Ar 1 may be independently selected from structures C1 to C5:
wherein
R 1 is independently selected from C 1 to C 16 alkyl, C 1 to C 16 alkoxy, partially or perfluorinated C 1 to C 16 alkyl, partially or perfluorinated C 1 to C 16 alkoxy, partially or perdeuterated C 1 to C 16 alkyl, partially or perdeuterated C 1 to C 16 alkoxy, C 6 to C 18 aryl, C 3 to C 25 heteroaryl.
7. The triazine compound of formula 1 according to claim 1 , wherein at least one to at most three substituents of Ar 2 , Ar 3 , Ar 5 and Ar 6 are independently selected from unsubstituted C 6 to C 12 aryl or unsubstituted C 4 to C 10 heteroaryl phenyl, biphenyl, naphthyl, pyridyl, quinolinyl, quinazolinyl.
8. The triazine compound of formula 1 according to claim 1 , wherein Ar 4 are independently selected from unsubstituted C 6 to C 12 aryl or unsubstituted C 4 to C 10 heteroaryl, phenyl, biphenyl, naphthyl, pyridyl, quinolinyl, quinazolinyl.
9. The triazine compound of formula 1 according to claim 1 , wherein n=0 or 1.
10. The triazine compound of formula 1 according to claim 1 , wherein a, b, c and d are selected from the group comprising
a=1, b=0, c=0 and d=1,
a=0, b=0, c=0 and d=1,
a=0, b=0, c=1 and d=1,
a=0, b=1, c=1 and d=0, and
a=1, b=1, c=1 and d=0.
11. The triazine compound of formula 1 according to claim 1 , wherein the triazine compound is selected from D1 to D9:
12. An organic semiconductor layer comprising at least one triazine compound of formula 1 according to claim 1 .
13. The organic semiconductor layer according to claim 12 , further comprising a metal containing compound selected from the group comprising a metal, metal salt, organic metal complex, organic monovalent metal complex, divalent metal complex, LiQ and alkali borate.
14. An organic electronic device comprising an organic semiconductor layer according to claim 12 , wherein at least one organic semiconductor layer comprises a triazine compound of formula 1.
15. The organic electronic device according to claim 14 , wherein the electronic device is a light emitting device, thin film transistor, a battery, a display device or a photovoltaic cell.
16. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B7 to B23, wherein B7 to B23 are substituted or unsubstituted annelated non-heteroaryl groups:
wherein the substituent R 2 is independently selected from H, C 1 to C 16 alkyl, partially or perfluorinated C 1 to C 16 alkyl, partially or perdeuterated C 1 to C 16 alkyl, C 1 to C 16 alkoxy, C 3 to C 16 branched alkyl, C 3 to C 16 cyclic alkyl, C 3 to C 16 branched alkoxy, C 3 to C 16 cyclic alkoxy, C 6 to C 24 aryl and C 3 to C 25 heteroaryl.
17. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B24 to B31, wherein B24 to B31 are selected from the group comprising a dibenzofurane or dibenzothiophene group:
18. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B32 to B34, wherein B32 to B34 are unsubstituted pyridine groups:
19. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B35 to B62, wherein B35 to B62 are unsubstituted or substituted hetero arylene groups:
wherein the substituent R 2 is independently selected from H, C 1 to C 16 alkyl, partially or perfluorinated C 1 to C 16 alkyl, partially or perdeuterated C 1 to C 16 alkyl, C 1 to C 16 alkoxy, C 3 to C 16 branched alkyl, C 3 to C 16 cyclic alkyl, C 3 to C 16 branched alkoxy, C 3 to C 16 cyclic alkoxy, C 6 to C 24 aryl and C 3 to C 25 heteroaryl.
20. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B63 to B65, wherein B63 to B65 are unsubstituted annelated hetero arylene groups:
21. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B66 to B67, wherein B66 and B67 are nitrile substituted phenyl groups:
22. The triazine compound of formula 1 according to claim 1 , wherein Ar i is independently selected from B68 to B70, wherein B68 to B70 are nitrile substituted biphenyl groups:
23. The triazine compound of formula 1 according to claim 1 , wherein Ar 1 is independently selected from B71 to B77, wherein B71 to B77 are carbazole groups:
wherein
the substituent R 2 is independently selected from H, C 1 to C 16 alkyl, partially or perfluorinated C 1 to C 16 alkyl, partially or perdeuterated C 1 to C 16 alkyl, C 1 to C 16 alkoxy, C 3 to C 16 branched alkyl, C 3 to C 16 cyclic alkyl, C 3 to C 16 branched alkoxy, C 3 to C 16 cyclic alkoxy, C 6 to C 24 aryl and C 3 to C 25 heteroaryl.