Article,

On the Efficiency of Charge Transfer State Splitting in Polymer:Fullerene Solar Cells

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Advanced Materials, 26 (16): 2533 (April 2014)
DOI: https://doi.org/10.1002/adma.201305283

Abstract

The field dependence and yield of free charge carrier generation in polymer:fullerene blends with varying energetic offsets is not affected when the excitation energy is varied from above band-gap to direct CT state excitation. Instead, the ability of the CT state to split is dictated by the energetic offset between the relaxed CT state and the charge separated (CS) state.

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