Routes to develop a [S]/([S]+[Se]) gradient in wide band-gap Cu2ZnGe(S,Se)4 thin-film solar cellsRuiz-Perona, Andrea; Gurieva, Galina; Sun, Michael; Kodalle, Tim; Sanchez, Yudania; Grossberg, Maarja; Merino, Jose Manuel; Schorr, Susan; Leon, Maximo; Caballero, RaquelJournal of alloys and compounds2021 / art. 159253, 9 p. : ill https://doi.org/10.1016/j.jallcom.2021.159253 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS