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Elsevier, Energy Procedia, (38), p. 732-736, 2013

DOI: 10.1016/j.egypro.2013.07.340

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Approach for a Simplified Fabrication Process for IBC SHJ Solar Cells with High Fill Factors

Journal article published in 2013 by Jan Haschke ORCID, Yi-Yang Chen, Ralf Gogolin, Mathias Mews, Nicola Mingirulli, Lars Korte, Bernd Rech ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this paper, interdigitated back contacted silicon heterojunction (IBC-SHJ) solar cell results as well as two dimensional device simulations are presented. The simulation indicates that for the minority contact (emitter) the coverage of the metallisation should be nearly 100%, while this is less critical for the majority contact (BSF). We present experimental results for an IBC-SHJ solar cell with a metallisation fraction of 100% for the emitter and approximately 65% for the BSF, with a high fill factor of 77.7% and an independently confirmed energy conversion efficiency of 19.4%.