Journal Article Polymers Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Polystyrenes (6,6)-phenyl C61-butyric acid methyl ester 14656-17-8 Butadienes Chlorobenzenes Fullerenes K18102WN1G Organophosphorus Compounds Pentanes Research Support, N.I.H., Extramural SAXS Solvents Thiadiazoles Thiophenes additives chlorobenzene microstructure organic photovoltaics phenyl di-n-pentylphosphinate poly(2,6-(4,4-bis(2-ethylhexyl)-4H-cyclopenta(2,1-b-3,4-b0)dithiophene))-alt-4,7-(2,1,3-benzothiadiazole) poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) polystyrene-block-polyisoprene solar cells