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Biologically derived ceramic substrates for crystalline silicon thin-film solar cells

: Kunz, T.; Burkert, I.; Grosch, M.; Auer, R.; Siegel, S.; Weiss, R.; Lauer, A.; Scheffler, M.

Poortmans, J. ; European Commission, Joint Research Centre -JRC-:
21st European Photovoltaic Solar Energy Conference 2006. Proceedings. CD-ROM : Proceedings of the international conference held in Dresden, Germany, 4 - 8 September 2006
München: WIP-Renewable Energies, 2006
ISBN: 3-936338-20-5
European Photovoltaic Solar Energy Conference <21, 2006, Dresden>
Fraunhofer IKTS ()
chemisches Aufdampfen; dünne Schicht; Halbleitersubstrat; Holzfaser; Keramik-Metall-Verbindung; Korngröße; Porosität; Silicium; Siliciumcarbid; Sonnenzelle; Zonenschmelzen

Biologically derived ceramics have been manufactured and tested as a new substrate material for layer deposition for thin-film solar cells. The starting material is a low-cost high density wood-fibre board, which is transferred to a dense Si/SiC ceramic. The resulting substrates have a low porosity of only 1 vol. %. SiC- and Si-layers have been deposited on the substrates by Chemical Vapor Deposition (CVD). The grain size of the silicon layers were enlarged by zone melting recrystallization (ZMR). The substrates showed good compatibility with layer fabrication processes.