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  • Fully Solution‐Processed n–...
    Tao, Chen; Van Der Velden, Jeroen; Cabau, Lydia; Montcada, Nuria F.; Neutzner, Stefanie; Srimath Kandada, Ajay Ram; Marras, Sergio; Brambilla, Luigi; Tommasini, Matteo; Xu, Weidong; Sorrentino, Roberto; Perinot, Andrea; Caironi, Mario; Bertarelli, Chiara; Palomares, Emilio; Petrozza, Annamaria

    Advanced materials (Weinheim) 29, Številka: 15
    Journal Article

    Fully solution‐processed direct perovskite solar cells with a planar junction are realized by incorporating a cross‐linked 6,6‐phenyl‐C61‐butyric styryl dendron ester layer as an electron extracting layer. Power conversion efficiencies close to 19% and an open‐circuit voltage exceeding 1.1 V with negligible hysteresis are delivered. A perovskite film with superb optoelectronic qualities is grown, which reduces carrier recombination losses and hence increases V oc.