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Titel:
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Further improvements in surface modification of MC silicon solar cells: comparison of different post-PSG cleans suitable for inline emitters
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Auteur(s):
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Stassen, A.F.; Koppes, M.; Komatsu, Y.; Weeber, A.W.; Hoogboom, J.; Oosterholt, J.; Ritmeijer, S.
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Gepubliceerd door:
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Publicatie datum:
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ECN
Zonne-energie
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21-9-2009
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ECN publicatienummer:
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Publicatie type:
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ECN-M--09-029
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Conferentiebijdrage
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Aantal pagina's:
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Volledige tekst:
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3
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Download PDF
(148kB)
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Gepresenteerd op: 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, 21-25 september 2009.
Samenvatting:
Insufficient removal of phosphosilicate glass (PSG) after inline emitter formation for crystalline silicon solar cells is a limiting factor in reaching high efficiencies. With additional cleaning steps, the surface can be modified to increase both short-circuit current and open-circuit voltage without decreasing the fill factor. In this paper we demonstrate that the efficiency can be increased by at least 0.4% absolute by using simple surface modification processes.
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