1. cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
2. CEMES/CNRS, Université de Toulouse, 29, rue Jeanne Marvig, 31055 Toulouse, France
3. TCM Group, Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, United Kingdom
4. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, People’s Republic of China
5. Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
6. IEK5-Photovoltaics, Forschungszentrum Jülich, 52425 Jülich, Germany
7. Faculty of Engineering and CENIDE, University of Duisburg−Essen, Carl-Benz-Straße 199, 47057 Duisburg, Germany
8. Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
9. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
10. Department of Materials, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
11. Global E3 Institute and Department of Materials Science and Engineering, Yonsei University, Seoul 120-749, Korea