1. Laboratory of Supramolecular and Bio-Nanomaterials (SBNLab) Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta” Politecnico di Milano Via L. Mancinelli 7 20131 Milano Italy
2. Department Novel Materials and Interfaces for Photovoltaic Solar Cells Helmholtz-Zentrum Berlin für Materialen und Energie Hahn-Meitner-Platz 1 14109 Berlin Germany