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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
IPC Code: F24J2/00
Abstract: An expression has been derived for the absorption coefficient of an incident radiation with energy ħw by a semiconductor with band-gap E0. 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 ISC has been used to calculate the value of the charge carrier density n in each layer. ISC 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%.
Page(s): 432-438
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.43(06) [June 2005]

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