Comparison of silicon oxide and silicon carbide absorber materials in silicon thin-film solar cells Cordula Walder, Martin Kellermann, Elke Wendler, Jura Rensberg, Karsten von Maydell and Carsten Agert EPJ Photovolt., 6 (2015) 65302 Published online: 23 February 2015 DOI: 10.1051/epjpv/2015003