Abstract
The effect of different meteorological conditions on solar cell outputs has been investigated, using a model for a solar cell (p-on-n or n-on-p) which incorporates surface recombination, surface region electric field and series resistance. Two ways of defining ‘ clear ’ and ‘ cloudy ’ conditions have been used, and by interpolating between them we have constructed two continuous ranges of meteorological conditions. The optimum achievement of a hypothetical range of substances X(
E
g
) which have an energy gap
E
g
, but otherwise all have silicon material parameters, have been determined for each of the meteorological conditions mentioned above. The optimum material,
X
, for U.K. conditions is found to be
X
(1.78eV) rather than silicon which is
X
(1.12eV). However, its translation into a real material or its low-cost production are not considered here.
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