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Titel:
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Multi-junction polymer solar cells
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Auteur(s):
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Gepubliceerd door:
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Publicatie datum:
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ECN
Zonne-energie
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4-2-2008
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ECN publicatienummer:
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Publicatie type:
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ECN-M--08-020
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Conferentiebijdrage
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Aantal pagina's:
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Volledige tekst:
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7
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Download PDF
(1733kB)
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Gepresenteerd op: 23rd European Photovoltaic Solar Energy Conference and Exhibition, Valencia, Spain, 1-5 september 2008.
Samenvatting:
We discuss the materials challenges for increasing cell efficiencies of polymer solar cells via the route of stacking several cells on top of each other in multi-junction solar cells. For such cells, the recombination layer between the two sub cells is crucial. Typically, the recombination layer consists of a semi-transparent n- and p-type semiconductor bilayer. Several options for the recombination layer will be discussed. Furthermore, we discuss how the workfunction and the conductivity of the semi-transparent semiconductors may influence the performance of the cells. We also discuss requirements for accurate measurements of spectral response and efficiency.
Keywords: tandem, polymer film, multi-junction solar cell
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