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High-Dielectric Constant Side-Chain Polymers Show Reduced Non-Geminate Recombination in Heterojunction Solar Cells

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High-dielectric constant side-chain polymers that show reduced non-geminate recombination in heterojunction solar cells are reported. Active layer polymers with high dielectric side-chains show increased performance over alkyl side-chain polymers. The doubling in efficiency is attributed to suppressed recombination.

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