Georgian Nedelcu1,2, Loredana Proteşescu1,2, Sergii Yakunin1,2, Maryna I. Bodnarchuk1,2, Matthias J. Grotevent3, Maksym V. Kovalenko1,2
1Laboratory for Thin Films and Photovoltaics, Empa -Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Dubendorf, Switzerland
2Laboratory for Thin Films and Photovoltaics, Empa − Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Dübendorf, Switzerland
3Institute of Inorganic Chemistry, Department of Chemistry and Applied Bioscience, ETH Zurich, CH-8093 Zurich, Switzerland