Vigil-Galan, O.; Courel, M.; Andrade-Arvizu, J.A.; Sanchez, Y.; Espindola-Rodriguez, M.; Saucedo, E.; Seuret-Jimenez, D.; Titsworth, M. "Route towards low cost-high efficiency second generation solar cells: current status and perspectives" Journal of Materials Science: Materials in Electronics 26, 8, pp. 5562 - 5573. 2014 DOI: 10.1007/s10854-014-2196-4