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Proceedings Paper

Rigorous optical simulation of light management in crystalline silicon thin film solar cells with rough interface textures
Author(s): Daniel Lockau; Lin Zschiedrich; Sven Burger; Frank Schmidt; Florian Ruske; Bernd Rech
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Paper Abstract

We apply a hybrid finite element / transfer matrix solver to calculate generation rate spectra of thin film silicon solar cells with textured interfaces. Our focus lies on interfaces with statistical rough textures. Due to limited computational domain size the treatment of such textures requires a Monte Carlo sampling of texture representations to obtain a statistical average of integral target quantities. This contribution discusses our choice of synthetic rough interface generation, the Monte Carlo sampling and the need for an incorporation of the cell's substrate into optical simulation when illumination of the cell happens through the substrate. We present results of the numerical characterization and generation rates for a single junction cell layout.

Paper Details

Date Published: 21 February 2011
PDF: 10 pages
Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 79330M (21 February 2011); doi: 10.1117/12.874967
Show Author Affiliations
Daniel Lockau, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Zuse-Institute Berlin (Germany)
Lin Zschiedrich, JCMwave GmbH (Germany)
Sven Burger, Zuse-Institute Berlin (Germany)
JCMwave GmbH (Germany)
Frank Schmidt, Zuse-Institute Berlin (Germany)
JCMwave GmbH (Germany)
Florian Ruske, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Bernd Rech, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)

Published in SPIE Proceedings Vol. 7933:
Physics and Simulation of Optoelectronic Devices XIX
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Alexandre Freundlich, Editor(s)

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