Journal Article 5 low bandgap polymers Research Support, Non-U.S. Gov't 2 morphology 2 IR sensitization 1 PCPDTBT (poly{[4,4-bis(2-ethylhexyl)-cyclopenta-(2,1-b;3,4-b')dithiophen]-2,6-diyl-alt-(2,1,3-benzo-thiadiazole)-4,7-diyl}) 1 Research Support, U.S. Gov't, Non-P.H.S. 1 mehr ... X-ray diffraction 1 bulk heterojunctions 1 crystallinity 1 crystallization 1 dyes 1 molecular conformation 1 organic photovoltaics 1 organic solar cells 1 oxide semiconductors 1 phototransistors 1 polymer solar cells 1 small molecules 1 solution processes 1 solvent vapor annealing 1 ternary blends 1 weniger ...