1. Institute of Materials for Electronics and Energy Technology (i-MEET); Friedrich- Alexander-University Erlangen-Nuremberg; Martensstraße 7 91058 Erlangen Germany
2. Bavarian Center for Applied Energy Research (ZAE Bayern); Haberstraße 2a 91058 Erlangen Germany
3. Erlangen Graduate School in Advanced Optical Technologies (SAOT); Paul-Gordan-Straße 6 91052 Erlangen Germany
4. Merck Chemicals Ltd., Chilworth Technical Centre; University Parkway; Southampton SO16 7QD UK
5. BASF Schweiz AG; Schwarzwaldallee 215 CH-4002 Basel Switzerland
6. Department of Energy Conversion and Storage; Technical University of Denmark; Frederiksborgvej 399 DK-4000 Roskilde Denmark