Optical simulations and optimization of perovskite/CI(G)S tandem solar cells using the transfer matrix method oleh Aleksandra Bojar, Daniel Micha, Maxime Giteau, Marco A Ruiz-Preciado, Ulrich W Paetzold, Marcel Simor, Veronique S Gevaerts, Romain Carron, Karim Medjoubi, Stéphane Collin, Negar Naghavi, Jean-François Guillemoles, Philip Schulz