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Title:
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Casting Technologies for Solar Silicon Wafers: Block Casting and Ribbon-Growth-on Substrate
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Author(s):
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Published by:
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Publication date:
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ECN
Solar Energy
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1-9-2003
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ECN report number:
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Document type:
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ECN-RX--03-029
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Conference Paper
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Number of pages:
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Full text:
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10
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Download PDF
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Presented at: 10th International Autumn meeting "Gettering and defect engineering in semiconductor technology", Gadest (Berlin), Germany, 21-26 september 2003.
Abstract:
Multi-crystalline silicon solar wafer are the working horses of the
rapidly developing photovoltaic market. The availability and cost efficiency
but, even more important, the improved wafer quality and the understanding
how to process multi-crystalline silicon wafers into highly efficient
solar cells are important factors in this development. In this paper
multi-crystalline silicon wafer manufacturing technologies both in industrial
production as well as under development are outlined. Important wafer
characteristics such as oxygen-, carbon and metallic impurities are
described and experimental links to solar cell efficiency are exemplary
demonstrated.
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