| US 7,488,834 B2 | ||
| Organic semiconductors | ||
| Florian Dötz, Heidelberg (Germany); Howard E. Katz, Owings Mills, Md. (US); Elsa Reichmanis, Westfield, N.J. (US); Subramanian Vaidyanathan, New Providence, N.J. (US); and Ingolf Hennig, Neulussheim (Germany) | ||
| Assigned to Alcatel-Lucent USA Inc., Murray Hill, N.J. (US); and BASF Societas Europea, Ludwigshafan (Germany) | ||
| Filed on Sep. 30, 2005, as Appl. No. 11/241,642. | ||
| Prior Publication US 2007/0078267 A1, Apr. 05, 2007 | ||
| Int. Cl. C07D 333/10 (2006.01); H01L 31/20 (2006.01) | ||
| U.S. Cl. 549—80 [257/40] | 19 Claims |
1. A molecule having the following formula:
 wherein each of R1 and R2 includes a branched alkyl group having 5 to 20 carbon atoms and an ether moiety; wherein each of R1 and R2 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.
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