We have two openings for Ph.D. students within the DFG Research Unit PoPULAR (Printed & Stable Organic Photovoltaics from Non-fullerene Acceptors). The successful candidates will work within Project P6 (Phase field methods, parameter identification and process optimisation) led jointly by Martin Stoll, Chemnitz, Jan-Frederik Pietschmann and Roland Herzog. Please refer to the detailed description for more information.