1. Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Bredgatan 33, SE-60174 Norrköping, Sweden
2. Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-Universität Erlangen-Nürnberg, Martensstraße 7, 91058 Erlangen, Germany
3. Energie Campus Nürnberg (EnCN), Fürtherstraße 250, 90429 Nürnberg, Germany
4. Dipartimento di Ingegneria Civile Ambientale, del Territorio Edile e di Chimica (DICATECh), Politecnico di Bari, via Orabona 4, 70125 Bari, Italy