tommyedison Posted August 26, 2004 Report Share Posted August 26, 2004 Why can't Solar Cells be built with metals or doped metals rather than semiconductors as metals have a really low band gap energy. On www.howstuffworks.com, it was given that materials with low band gap energy would generate a large amount of current but a very low voltage and that is the reason that a medium band gap energy i.e. 1.4 ev is used. Is low voltage the only reason or are there other reasons to that materials especially metals with low band gap energies cannot be used? Quote Link to comment Share on other sites More sharing options...
xobject Posted September 6, 2004 Report Share Posted September 6, 2004 correct me if i'm wrong tommyedison but shouldn't you be discussing this in a scientific forum. I don't see how Objectivism relates to all this. Quote Link to comment Share on other sites More sharing options...
xobject Posted September 6, 2004 Report Share Posted September 6, 2004 still if u insist (i don't know if this helps) http://www.lincolnhs.pps.k12.or.us/~lschef...otovoltaics.htm http://www.autobahn.mb.ca/~het/energy/pv_fqa.html http://www.ipc.uni-linz.ac.at/publ/2003/2003-016.pdf http://theochem.chem.rug.nl/publications/PDF/ft1 Quote Link to comment Share on other sites More sharing options...
tommyedison Posted September 7, 2004 Author Report Share Posted September 7, 2004 Thank you for the information. Quote Link to comment Share on other sites More sharing options...
F*ckCommunism Posted September 7, 2004 Report Share Posted September 7, 2004 this is the science forum, tho... Quote Link to comment Share on other sites More sharing options...
PossiblyParanoid Posted September 7, 2004 Report Share Posted September 7, 2004 Why can't Solar Cells be built with metals or doped metals rather than semiconductors as metals have a really low band gap energy. It may have something to do with the transparency of the material - it's ability to transmit light energy. I think the process of doping requires a crystalline lattice - are the metals you're talking about crystals ? Quote Link to comment Share on other sites More sharing options...
tommyedison Posted September 7, 2004 Author Report Share Posted September 7, 2004 It may have something to do with the transparency of the material - it's ability to transmit light energy. I think the process of doping requires a crystalline lattice - are the metals you're talking about crystals ? I made a mistake about the part about doped metals Quote Link to comment Share on other sites More sharing options...
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