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Abstract
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| High efficiency solar cells working under ultra-high concentrations (>1000X) have been shown to be a promising solution to decrease the cost of PV electricity, increase the efficiency and circumvent the material availability restrictions for massive PV penetration. A detailed analysis of the limitations of our current triple junction solar cell (36.2% at 700X), in the quest to maximize efficiency at 1000X, shows that the main improvements to tackle are: a) implementation of a high band gap tunnel junction; b) increase the band gap of the top cell; c) fine current matching tune; d) enhancement of the front contact process. This constitutes our roadmap to reach an efficiency over 41%. | |
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International
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Si |
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Congress
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37th IEEE Photovoltaic Specialist Conference |
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960 |
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Place
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Seattle (USA) |
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Reviewers
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Si |
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ISBN/ISSN
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978-1-4244-9965-6 |
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Start Date
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19/06/2011 |
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End Date
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24/06/2011 |
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From page
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775 |
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To page
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778 |
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37th IEEE Photovoltaic Specialist Conference |