Understanding the rate-dependent J–V hysteresis, slow time component, and aging in CH3NH3PbI3 perovskite solar cells: the role of a compensated electric field

Authors: Wolfgang Tress, Nevena Marinova, Thomas Moehl, Shaik M. Zakeeruddin, Mohammad Khaja Nazeeruddin, Michaël Grätzel - Energy & Environmental Science 2015 cited by 1,350

Ionic displacement modifying the electric field in the device is found as most likely reason for the hysteresis which is examined by separating fast and slow processes and comparing devices with and without blocking layer.