DE4207411-A  CHU, T.L.: Deposition and Properties of Silicon on Graphite Substrates. In: US-Z.: Journal of the Electrochemical Society, Vol. 123, No. 1, 1976, S. 106-110;  CHU, T.L.: Polycrystalline Silicon Layers for Solar Cells. In: US-Z.: J. Vac. Sci. Techno., Vol. 12, No. 4, 1975, S. 912-915;  CHU, T.L.: Silicon Films on Foreign Substrates for Solar Cells. In: NL-Z.: Journal of Crystal Growth, Vol. 39, 1988, S. 45-60US5273911-A  Chu et al, "Deposition And Properties Of Silicon On Graphite Substrates", Journal of the Electrochemical Society, vol. 23, Jan. 1976, pp. 106-110.;  Graef et al, "Enhanced Crystallinity Of Silicon Films Deposited By CVD On Liquid Layers (CVDOLL Process): Silicon On Tin Layers In The Presence Of Hydrogen Chloride", Journal of Applied Physics, vol. 48, No. 9, Sep. 1977, pp. 3937-3940.;  Kazmerski, "An Overview Of Thin-Film Polycrystalline Silicon Research And Development", 14th IEEE Photovoltaic Specialists Conference, 1980, pp. 281-286.;  M. Kerber et al, Conference Record, 17th IEEE Photoltaic Specialists Conference (1984), pp. 275-280 (Oct. 1984).;  T. L. Chu, Polycrystalline Silicon Layers for Solar Cells, J. Vac Sci. Technol., vol. 12, No. 4, Jul.Aug. 1975, pp. 912-915.;  T. L. Chu, Silicon Films on Foreign Substrates for Solar Cells, Journal of Crystal Growth 39 (1977), pp. 45-60.US5344500-A  Chu et al., "Deposition And Properties Of Silicon On Graphite Substrates", Journal of the Electrochemical Society, vol. 123, No. 1, 1976, pp. 106-110 (Jan.);  Chu, "Polycrystalline Silicon Layers For Solar Cells", Journal of Vacuum Science Technology, vol. 12, No. 1975, pp. 912-915 (Jul.Aug.);  Chu, "Silicon Films On Foreign Substrates For Solar Cells", Journal of Crystal Growth, vol. 39, 1977, pp. 45-60;  Graef et al., "Enhanced Crystallinity of silicon Films Deposited By CVD On Liquid Layers (CVDOLL Process): Silicon On Tin Layers In The Presence of Hydrogen Chloride", Journal of Applied Physics, vol. 48, No. 9, 1977, pp. 3937-3940 (Sep.);  Kazmerski, "An Overview Of Thin-Film Polycrystalline Silicon Research And Development", 14th IEEE Photovoltaic Specialists Conference, 1980, pp. 281-286;  Kerber et al., "Large Grain Polycrystalline Silicon Films On Graphite For Solar Cell Applications", 17th IEEE Photovoltaic Specialists Conference, 1984, pp. 275-280;  T. F. Ciszek et al., Conference Record, 14th IEEE Photovoltaic Specialists Conf. (1980), pp. 397-399US5441577-A  Chu et al., "Deposition And Properties Of Silicon On Graphite Substrates", Journal of the Electrochemical Society, vol. 123, No. 1, 1976, pp. 106-110;  Chu, "Polycrystalline Silicon Layers For Solar Cells", Journal of Vacuum Science Technology, vol. 12, No. 4, 1975, pp. 912-915;  Chu, "Silicon Films On Foreign Substrates For Solar Cells", Journal of Crystal Growth, vol. 39, 1977, pp. 45-60;  Ciszek et al., "Contiguous Capillary Coating Of Silicon On Porous Carbon Substrates", Conference Record, 14th IEEE Photovoltaic Specialists Conference, 1980, pp. 397-399;  Graef et al., "Enhanced Crystallinity Of Silicon Films Deposited By CVD On Liquid Layers (CVDOLL Process): Silicon On Tin Layers In The Presence Of Hydrogen Chloride", Journal of Applied Physics, vol. 48, No. 9, 1977, pp. 3937-3940;  Kazmerski, "An Overview Of Thin-Film Polycrystalline Silicon Research And Development", 14 IEEE Photovoltaic Specialists Conference, 1980, pp. 281-286;  Kerber et al., "Large Grain Polycrystalline Silicon Films On Graphite For Solar Cell Applications", 17th IEEE Photovoltaic Specialists Conference, 1984, pp. 275-280