Substrate and p-layer effects on polymorphous silicon solar cellsS.N. Abolmasov, H. Woo, R. Planques, J. Holovský, E.V. Johnson, A. Purkrt and P. Roca i CabarrocasEPJ Photovolt., 5 (2014) 55206DOI: https://doi.org/10.1051/epjpv/2014007