Moises Espindola-Rodriguez, Diouldé Sylla, Yudania Sánchez, Florian Oliva, Sigbjorn Grini, Markus Neuschitzer, Lasse Vines, Victor Izquierdo-Roca, Edgardo Saucedo, and Marcel Placidi "Bifacial Kesterite solar-energy-materials-and-systems Cells on FTO Substrates" ACS Sustainable Chem. Eng 5, 12, pp. 11516 - 11524. 2017 DOI: 10.1021/acssuschemeng.7b02797