Abstract
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Characterization is a key process in attaining high efficiency in the state-of-the-art multi-junction solar cells. This work will summarize our efforts in using eletroluminescence for characterising multijunction solar cells. This study will present the possibilities of electroluminescence (EL) spectroscopy as a fast and simple characterization technique which is able to provide extensive information about the solar cell¿s performance. Finally, four of the applications of this technique will be presented: band gap estimation, barrier effect for minority carriers, information on the thermal performance of encapsulated devices and determination of the shunt resistance of each cell in a dual junction device. | |
International
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Si |
Congress
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33rd IEEE Photovoltaic Specialists Conference |
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960 |
Place
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San Diego (Estados Unidos) |
Reviewers
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No |
ISBN/ISSN
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0160-8371 |
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Start Date
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11/05/2008 |
End Date
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16/05/2008 |
From page
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147 |
To page
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152 |
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Proceedings IEEE |