LIMITING EFFICIENCY OF AN EDGE-ILLUMINATED MULTIGAP SOLAR-CELL

被引:18
作者
PARROTT, JE
机构
[1] Dept. of Phys., Electronics and Electrical Engng., Univ. of Wales Inst. of Sci. and Technol., Cardiff CFl 3NU
关键词
D O I
10.1088/0022-3727/12/3/014
中图分类号
O59 [应用物理学];
学科分类号
摘要
An edge-illuminated multigap photovoltaic system should show an efficiency greater than that obtainable with only a single gap. The theoretical upper limit to the efficiency will occur as the number of different gaps goes to infinity. For this case a detailed balance limit analysis shows that at one sun the predicted efficiency is 64% increasing with intensity to 81% at ten thousand suns. The effects of stimulated emission are included in the calculations but are found to be negligible. Because the expression for the limiting efficiency does not contain any property of a particular semiconductor, it seems to be thermodynamic in character.
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页码:441 / 450
页数:10
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