Saygili, YTurren-Cruz, SHOlthof, SSaes, BWHPehlivan, IBSaliba, MMeerholz, KEdvinsson, TZakeeruddin, SMGratzel, MCorrea-Baena, JPHagfeldt, AFreitag, MTress, W2018-11-082018-11-082018-11-08201810.1002/cphc.201800032https://infoscience.epfl.ch/handle/20.500.14299/150783WOS:000434270800010Planar Perovskite Solar Cells with High Open-Circuit Voltage Containing a Supramolecular Iron Complex as Hole Transport Material Dopanttext::journal::journal article::research article