Unraveling Bulk versus Surface Passivation Effects in Highly Efficient p–i–n Perovskite Solar Cells Using Thiophene‐Based Cations

Pica, Giovanni; Montecucco, Riccardo; Zanetta, Andrea; Oranskaia, Aleksandra; Faini, Fabiola; Pancini, Lorenzo; Mrkyvkova, Nada; Siffalovic, Peter; Dally, Pia; Pirota, Valentina; Ledinsky, Martin; De Bastiani, Michele; De Wolf, Stefaan; Doria, Filippo; Schwingenschlögl, Udo; Grancini, Giulia