• closedAccess   Changes from Bulk to Surface Recombination Mechanisms between Pristine and Cycled Perovskite Solar Cells 

      Correa-Baena, Juan-Pablo; Turren Cruz, Silver Hamill; Tress, Wolfgang; Hagfeldt, Anders; Aranda Alonso, Clara; Shooshtari, Leyla; Bisquert, Juan; Guerrero, Antonio American Chemical Society (2017)
      Several aspects on the photophysical characterization of lead halide hybrid organic–inorganic perovskite solar cells remain unsolved. It has been observed that ionic transport and polarization of the interfaces cause very ...
    • openAccess   Formation Criteria of High Efficiency Perovskite Solar Cells in Ambient Conditions 

      Aranda Alonso, Clara; Cristobal, Cesar; Shooshtari, Leyla; Li, Cheng; Huettner, Sven; Guerrero, Antonio Royal Society of Chemistry (2017)
      The field of lead halide perovskites for solar cell applications has recently reported impressive power conversion (PCE) above 22 % using complex mixed cation formulations. Very importantly, highest PCE have been obtained ...