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Start Over Author "Lin, Keng-Ching" Topic compatibilizer

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1. Stabilization of poly(3-hexylthiophene)/PCBM morphology by hydroxyl group end-functionalized P3HT and its application to polymer solar cells

Author

Chen, Yi-Hao, Huang, Ping-Tsung, Lin, Keng-Ching, Huang, Yu-Jui, and Chen, Chin-Ti

Subjects
*HYDROXYL group, *HYDROGEN bonding, *SOLAR cells, *SURFACE roughness, *ENERGY conversion, *IRRADIATION
Abstract

Abstract: A new concept to stabilize the morphology of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) blend through H-bond formation by using a hydroxyl group end-functionalized P3HT (HOC-P3HT-COH) as a compatibilizer is presented. Domain size of the PCBM crystals in the annealed P3HT/PCBM film is diminished with addition of HOC-P3HT-COH. Surface roughness of the P3HT/PCBM film also becomes smoother with addition of HOC-P3HT-COH. Thermal stability of solar cell device is improved significantly through the H-bond formation between HOC-P3HT-COH and PCBM. A high performance and thermal stable polymer solar cell with 4.06% power conversion efficiency under AM1.5G irradiation is fabricated with 5% HOC-P3HT-COH in P3HT/PCBM layer. [Copyright &y& Elsevier]

Published
2012
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