Patent ID: 8779077

Claim:
A device comprising an all-conjugated triblock polyelectrolyte, wherein the polyelectrolyte has either of the two following structures: where is selected from a group consisting of: wherein R 1 and R 2 are the same or different and are alkyl chains —C n H (2n+1) , (n=1-30); and is selected from a group consisting of: wherein R 3 and R 4 are independently a substituted alkyl chain of —(CH 2 )nR 5 , (n=1-30); wherein R 5 is —N + (CH 3 ) 3 F − , —N + (CH 3 ) 3 Br − , —N + (CH 3 ) 3 I − , —N + (C 2 H 5 ) 3 F − , —N + (C 2 H 5 ) 3 Br − , —N + (C 2 H 5 ) 3 I − , pyridine + Br − or pyridine + I − ; where x and y is 6-50.