Chemical Communications 2011-10-21

Increased open circuit voltage in fluorinated benzothiadiazole-based alternating conjugated polymers.

Yong Zhang, Shang-Chieh Chien, Kung-Shih Chen, Hin-Lap Yip, Ying Sun, Joshua A Davies, Fang-Chung Chen, Alex K-Y Jen

Index: Chem. Commun. (Camb.) 47 , 11026-11028, (2011)

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Abstract

Small band-gap conjugated polymers based on monofluoro- and difluoro-substituted benzothiadiazole were developed. Highly efficient polymer solar cells (PCE as high as 5.40%) could be achieved for devices made from these polymers.