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ECN publication
Large area N-type multicrystalline silicon solar cells with B-emitter: efficiencies exceeding 14%
Published by: Publication date:
ECN Solar Energy 1-10-2005
ECN report number: Document type:
ECN-RX--05-113 Conference Paper
Number of pages: Full text:
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Presented at: 15th International Photovoltaic Science and Engineering Conference & Solar Energy Exhibition, Shanghai, China, 10-15 oktober 2005.

We present n-type Si solar cells on large area mc-Si wafers processed with industrially relevant techniques such as open tube diffusions, PECVD SiNx deposition and screen printed contacts. The resulting solar cells have efficiencies exceeding 14%. This is the first time, to our knowledge, that solar cells with such high efficiencies were obtained on large areas using this type of material. We show that with slight modifications and improvement of the solar cell process efficiencies around 15% are feasible with our simple processing sequence.

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