Pinhole-free perovskite films for efficient solar modules
journal contribution
posted on 2024-04-10, 16:38authored byW. Qiu, T. Merckx, D. Cheyns, H. J. Snaith, P. Heremans, M. Jaysankar, C. Masse de la Huerta, L. Rakocevic, Wei Zhang, U. W. Paetzold, R. Gehlhaar, L. Froyen, J. Poortmans
We report on a perovskite solar module with an aperture area of 4 cm2 and geometrical fill factor of 91%. The module exhibits an aperture area power conversion efficiency (PCE) of 13.6% from a current–voltage scan and 12.6% after 5 min of maximum power point tracking. High PCE originates in pinhole-free perovskite films made with a precursor combination of Pb(CH3CO2)2·3H2O, PbCl2, and CH3NH3I.