Phillips 66
Fused dithieno benzothiadiazole polymers for organic photovoltaics

Abstract:

A composition comprising: ##STR00001## wherein the compositional ratio of x/y ranges from about 1/99 to about 99/1, and n ranges from 1 to 1,000,000. Additionally, in this composition, R' and R'' are independently selected from: H, unsubstituted or substituted branched alkyls with 1 to 60 carbon atoms, or unsubstituted or substituted linear alkyls with 1 to 60 carbon atoms.