Effect of 4-biphenyl groups on the charge transport and photovoltaic properties of arylamine based push–pull systems
Résumé
The synthesis of two N , N -bis(4-biphenylyl)aniline (BPA) based push–pull is reported herein. Evaluation as donor materials in all-small-molecule planar-heterojunction organic solar cells lead to impressive fill factor (>73%) and promising power conversion efficiencies.
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