Organic semiconductors
View Patent ↗A molecule including a chain-like core region having two ends and having at least three conjugated aromatic rings; and including at the two ends, branched groups R 1 and R 2 respectively, each including a C 5 - to C 20 -alkyl group. A semiconducting composition including the molecule.
1. A molecule having the following formula:
wherein each of R 1 and R 2 includes a branched alkyl group having 5 to 20 carbon atoms and an ether moiety; wherein each of R 1 and R 2 is linked by the ether moiety to one of the benzene rings; and wherein the molecule is a member selected from a group consisting of:
5,5′-bis(4-(4-methylpentyloxy)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(3,7-dimethyloctyloxy)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(3S,7-dimethyloctyloxy)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(2-ethylbutyloxy)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(2-methylhexyloxy)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(2-ethylhexyloxy)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(1-methylhexyloxy)phenyl)-2,2′-bithiophene;
5,5′-Bis-[4-(1-ethyl-hexyloxy)-phenyl]-[2,2′]bithiophenyl;
5,5′-Bis-[4-(2-methyl-propoxy-tetrahydro-pyran)-phenoxy]-[2,2′]bithiophenyl;
3-(4-{5′-[4-(3-Hydroxy-2-methyl-propoxy)-phenyl]-[2,2′]bithiophenyl-5-yl}-phenoxy) -2-methyl-propan-1-ol;
6-[4-(5′-{4-[5-(1-Vinyl-allyloxycarbonyl)-pentyloxy]-phenyl}-[2,2′]bithiophenyl-5-yl)-phenoxy]-hexanoic acid 1-vinyl-allyl ester; and
5,5′-Bis-{4-[6-(tert-butyl-diphenyl-silanyloxy)-hexyloxy]-phenyl}-[2,2′]bithiophenyl.
2. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(1-methylhexyloxy)phenyl)-2,2′-bithiophene.
3. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(2-methylhexyloxy)phenyl)-2,2′-bithiophene.
4. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(4-methylpentyloxy)phenyl)-2,2′-bithiophene.
5. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(3,7-dimethyloctyloxy)phenyl)-2,2′-bithiophene.
6. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(3S,7-dimethyloctyloxy)phenyl)-2,2′-bithiophene.
7. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(2-ethylbutyloxy)phenyl)-2,2′-bithiophene.
8. The molecule of claim 1 , wherein the molecule is 5,5′-bis(4-(2-ethylhexyloxy)phenyl)-2,2′-bithiophene.
9. The molecule of claim 1 , wherein he molecule is 5,5′-Bis-[4-(1-ethyl-hexyloxy)-phenyl]-[2,2′]bithiophenyl.
10. The molecule of claim 1 wherein the molecule is 5,5′-Bis- 8 4-(2-methyl-propoxy-tetrahydro-pyran)-phenoxy]-[2,2′]bithiophenyl.
11. The molecule of claim 1 , wherein the molecule is 3-(4-{5′-[4-(3-Hydroxy-2-methyl-propoxy)-phenyl]-[2,2′]bithiophenyl-5-yl}-phenoxy) -2-methyl-propan-1-ol.
12. The molecule of claim 1 , wherein the molecule is 6-[4-(5′-{4-[5-(1-Vinyl-allyloxycarbonyl)-pentyloxy]-phenyl}-[2,2′]bithiophenyl -5-yl) -phenoxy]-hexanoic acid 1-vinyl-allyl ester.
13. The molecule of claim 1 , wherein the molecule is 5,5′-Bis-{4-[6-(tert-butyl -diphenyl-silanyloxy)-hexyloxy]-phenyl}-[2,2′]bithiophenyl.
14. A molecule having the following formula:
wherein each of R 1 and R 2 includes a branched alkyl group having 5 to 20 carbon atoms; and wherein the molecule is a member selected from a group consisting of:
5,5′-bis(4-(2-methylheptyl)phenyl)-2,2′-bithiophene;
5,5′-bis(4-(1-methylhexyl)phenyl)-2,2′-bithiophene;
5,5′-Bis-[4-(1-hydroxy-3-ethyl-heptyloxy)-phenyl]-[2,2′]bithiophenyl;
5,5′-Bis-[4-N-(2-ethyl-hexyl)-benzamido]-[2,2′]bithiophenyl; and
5,5′-bis(4-(propoxy ethyl)phenyl)-2,2′-bithiophene.
15. The molecule of claim 14 , wherein the molecule is 5,5′-bis(4-(2-methylheptyl)phenyl)-2,2′-bithiophene.
16. The molecule of claim 14 , wherein the molecule is 5,5′-bis(4-(1-methylhexyl)phenyl)-2,2′-bithiophene.
17. The molecule of claim 14 , wherein the molecule is 5,5′-Bis-[4-(1-hydroxy -3-ethyl-heptyloxy)-phenyl]-[2,2′]bithiophenyl.
18. The molecule of claim 14 , wherein the molecule is 5,5′-Bis-[4-N-(2-ethyl -hexyl)-benzamido]-[2,2′]bithiophenyl.
19. The molecule of claim 14 , wherein the molecule is 5,5′-bis(4-(propoxy ethyl)phenyl)-2,2′-bithiophene.