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Title:
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Performance of spray deposited ZnO:In layers as front electrodes in thin-film silicon solar cells
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Author(s):
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Wienke, J.A.; Zanden, B. van der ; Zeman, M.; Tijssen, M.
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Published by:
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Publication date:
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ECN
Solar Energy
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23-4-2008
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ECN report number:
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Document type:
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ECN-W--07-027
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Article (scientific)
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Number of pages:
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7
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Published in: Solar Energy Materials & Solar Cells (Elsevier), , 2008, Vol.92, p.884-890.
Abstract:
The surface morphology, optical and electrical properties of spray-deposited ZnO:In layers are characterized and compared to ASAHI U-type SnO2:F. Both TCO layers were implemented as front electrodes in a-Si:H single-junction solar cells. The similar Voc of the solar cells indicates a good electrical contact between the ZnO:In layer and the a-Si:H material. The difference in solar cell performance between cells on ASAHI U-type TCO (10%) and the spray-deposited ZnO:In (8.4%) is mainly due to a Jsc-loss, caused by the lower ZnO:In bandgap and insufficient surface texturing. Surface roughening experiments of ZnO:In layers have been carried out.
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