• openAccess   Switching Off Hysteresis in Perovskite Solar Cells by Fine‐Tuning Energy Levels of Extraction Layers 

      Guerrero, Antonio; Bou, Agustín; Matt, Gebhard J.; Almora Rodríguez, Osbel; Heumueller, Thomas; Garcia-Belmonte, Germà; Bisquert, Juan; Hou, Yi; Brabec, Christoph J. Wiley (2018-07-25)
      Lead halide perovskites often suffer from a strong hysteretic behavior on their j–V response in photovoltaic devices that has been correlated with slow ion migration. The electron extraction layer has frequently been pointed ...