Enhancing c-Si Solar Cell Efficiency in the UV Region: Photophysical Insights into the Use of Eu 3+ Complexes for Down-Shifting Layer Applications. - Vargas, Fabian; Nelson, Ronald; Espinoza, Dario; Brito, Ivan; Sánchez-Muñoz, Laura; Alemany, Pere; Ortiz, Sergio; Ferrada, Pablo; Mestra, Alifhers; Llanos, Jaime (Molecules, 2023)