Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/8795
Title: Theory of multilayer solar cells
Authors: Khanna, K M
Ekai, R
Ronno, C K
Rotich, S K
Torongey, P K
Keywords: Multilayer solar cell
Solar current
Charge carrier density
Issue Date: Jun-2005
Publisher: CSIR
Series/Report no.: F24J2/00
Abstract: An expression has been derived for the absorption coefficient <i style=""><img src='/image/spc_char/alpha.gif' border=0> </i> of an incident radiation with energy <i style="">ħ</i>w by a semiconductor with band-gap <img src='/image/spc_char/delta.gif' border=0><i style="">E</i><sub>0</sub>. For a multilayer solar cell composed of seven layers that facilitate the solar cell to use the seven colours of the white light for maximum efficiency, the expression for the solar current <i style="">I</i><sub>SC</sub> has been used to calculate the value of the charge carrier density <i style="">n</i> in each layer. <i style="">I</i><sub>SC</sub> should be the same through all the layers for the layers to be connected in optical series. For such an arrangement, the efficiency of the multilayer solar cell turns out to be more than 42%.
Description: 432-438
URI: http://hdl.handle.net/123456789/8795
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.43(06) [June 2005]

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