Flexible perovskite based solar cells with power conversion efficiencies of 7% have been prepared on PET based conductive substrates. Extended bending of the devices does not deteriorate their performance demonstrating their suitability for roll to roll processing.
Mohammad Khaja Nazeeruddin, Yi Zhang
Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Yuhang Liu, Min Chen, Chen Jiang