Department of Materials, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
Azhar Fakharuddin
Department of Physics, University of Konstanz, 78457 Konstanz, Germany
Daniel N. Congreve
Rowland Institute at Harvard University, Cambridge, Massachusetts 02142, USA
Jianpu Wang
Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
Lukas Schmidt-Mende
Department of Physics, University of Konstanz, 78457 Konstanz, Germany
