Theory of multilayer solar cells
نویسنده
چکیده
An expression has been derived for the absorption coefficient α of an incident radiation with energy ħω by a semiconductor with band-gap ΔE0. 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%.
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تاریخ انتشار 2010