The new fluorocarbon-functionalized and/or heterocycle-modified polythiophenes, in particular, α,ω-diperfluorohexylsexithiophene DFH-6T can be straightforwardly prepared in high yield and purity. Introduction of such modifications to a thiophene core affords enhanced thermal stability and volatility,...http://www.google.fr/patents/US7842198?utm_source=gb-gplus-shareBrevet US7842198 - n-Type thiophene semiconductors
