Patent ID: 6991749

Claim:
An n-type polythiophene composition having the structural formula wherein R 1 , R 2 and R 3 are selected from the substituent group consisting of fluoroalkyl moieties, C n H 2n+1 and where n is about 1–12, H, F and (CH 2 ) a X and where a is about 1–12 and X is selected from the group consisting of amino, hydroxy and carboxylic acid functionalities; x is an integer selected from the group of integers consisting of 1 and integers greater than 1; and y is an integer selected from the group consisting of 0 and integers greater than 0, providing said composition comprises at least one perfluorophenyl component; and z is an integer selected from the group of integers consisting of 0 and integers greater than 0.