| Reference |
L.A. Verhoef, P.-P. Michiels, J.C. Stroom, R.J.C. van Zolingen and W.C. Sinke: Efficiency improvement of polycrystalline silicon solar cells by combined phosphorous- and aluminium-induced gettering In: Ninth E.C. Photovoltaic Solar Energy Conference : Proceedings of the International Conference held at Freiburg, Fed. Rep. of Germany, 25-29 September 1989 /ed. W. Palz, G.T. Wrixon and P. Helm, Kluwer, 1989. - pp. 733-736 |
