Structural and optical properties of methylammonium lead iodide across the tetragonal to cubic phase transition: implications for perovskite solar cells

• DOI: 10.1039/c5ee02925b
• Publication Date: 2015-10-08T17:25:57Z
• Authors: Claudio Quarti; Edoardo Mosconi; James M. Ball; Valerio D'Innocenzo; Chen Tao; Sandeep Pathak; Henry J. Snaith; Annamaria Petrozza; Filippo De Angelis
• Keywords: Tetragonal crystal system

We report optical measurements on MAPbI₃solar cells, together with<italic>ab initio</italic>simulations, to investigate the material property changes across tetragonal cubic phase transition.