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Creators/Authors contains: "Zavala, Gerardo"

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  1. ; ; ; ; ; ; ; ; ; (, Journal of Materials Chemistry C)
    In this work, two new C 70 isomers, α and β bis(2-(thiophen-2-yl)ethyl)-C 70 -fullerene mono-adducts (DTC 70 ), were synthesized, characterized and used as electron transporting materials (ETMs) in perovskite solar cells (PSCs). Our results show that the α isomer improves both the J sc and FF values of the devices, when compared to the results for the β-isomer and to those for phenyl-C 70 -butyric acid methyl ester ( PC71BM ), used as control. Devices based on α-DTC70 achieved a power conversion efficiency (PCE) of 15.9%, which is higher than that observed with PC71BM (15.1%). 
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