1. King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Thuwal, 23955-6900, Kingdom of Saudi Arabia
2. Laboratory of Nanostructures and Nanomaterials, Institute of Physics, Academy of Sciences of the Czech Republic, v. v. i., Cukrovarnická 10, Prague, 162 00, Czech Republic
3. Centre for Advanced Photovoltaics, Czech Technical University in Prague, Faculty of Electrical Engineering, Technická 2, Prague, 166 27, Czech Republic