1. Department of Solar Energy and Environmental Physics, Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Sede Boqer Campus 84990 Israel
2. The Ilse Katz Institute for Nanoscale Science and Technology; Ben-Gurion University of the Negev; Beersheva 84105 Israel
3. The Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering; Ben-Gurion University of the Negev; Beersheva 84105 Israel