1. Impurities in silicon solar cells;Davis;IEEE Electron Dev. Lett.,1980
2. Control of metal impurities in “dirty” multicrystalline silicon for solar cells;Istratov;Mater. Sci. Eng. B,2006
3. R. Kvande, Incorporation of impurities during directional solidification of multicrystalline silicon for solar cells, PhD Thesis at NTNU, 2008.
4. L.J. Geerligs, P. Manshanden, G.P. Wyers, E.J. Øvrelid, O.S. Raanes, A.N. Wærnes, B. Wiersma, Specification of solar grade silicon: how common impurities affect the cell efficiency of mc-Si solar cells, in: 20th EUPVSEC, 2005, pp. 619–622.
5. L.J. Geerligs, P. Manshanden, I. Solheim, E.J. Øvrelid, A.N. Wærnes, Impact of common metallurgical impurities on mc-Si solar cell efficiency: p-type versus n-type doped ingots, in: 21st EUPVSEC, 2006, pp. 1285–1288.