| abstract |
A semiconducting compound with the structure: n n n n n n n n n n n n where X 1 and X 2 are independently S, Se, SiR 1 R 2 , O, CR 3 R 4 , C 2 R 5 R 6 , N, NR 7 , where R 1 to R 7 independently comprise hydrogen, straight, branched or cyclic alkyl, akenyl or alkynyl groups, alkoxy, aryl, silyl or amino; where each of Ar 1 to Ar 4 is optional and independently comprises, if present, an aryl or heteroaryl group; and where Y 1 to Y 4 independently comprise hydrogen, reactive groups, optionally substituted straight, branched or cyclic alkyl, alkoxy, akenyl, alkynyl, amido or amino groups, optionally substituted aryl or heteroaryl where at least one of Y 1 to Y 4 does not comprise hydrogen; and methods and devices related thereto. |