Highly efficient planar perovskite solar cells through band alignment engineering

• DOI: 10.1039/c5ee02608c
• Publication Date: 2015-08-25T08:02:07Z
• Authors: Juan Pablo Correa...; Ludmilla Steier; Wolfgang Tress; Michael Saliba; Stefanie Neutzner; Taisuke Matsui; Fabrizio Giordano; T. Jesper Jacobsson; Ajay Ram Srimath ...; Shaik M. Zakeeruddin; Annamaria Petrozza; Antonio Abate; Mohammad Khaja Na...; Michael Grätzel; Anders Hagfeldt
• Keywords: Energy; 4. Education; MD Multidisciplinary; 600; 7. Clean energy; 01 natural sciences; 620; 0104 chemical sciences

Planar perovskite solar cells exhibit a conduction band misalignment of the with TiO₂, but not SnO₂. The system using latter yielded power conversion efficiencies over 18%.