Regioregular polythiophene polymers can be used in photovoltaic applications including copolymers and blends. The polymer can comprise heteroatoms in the side groups. Better efficiencies can be achieved....http://www.google.es/patents/US7790979?utm_source=gb-gplus-sharePatente US7790979 - Heteroatomic regioregular poly(3-substitutedthiophenes) for photovoltaic cells
Heteroatomic regioregular poly(3-substitutedthiophenes) for photovoltaic cells
