Passive radiative cooling for the temperature and efficiency control of photovoltaics - Perrakis, George; Tasolamprou, Anna C.; Kenanakis, George; Economou, Eleftherios N.; Tzortzakis, Stelios; Kafesaki, Maria (2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings, 2021)