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Proceedings Paper

Simulation of the scattering effect of randomly textured surfaces on the efficiency of thin film tandem solar cell
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Paper Abstract

Thin film silicon solar cells are optimized to increase their efficiency. One technique to obtain higher efficiency is to increase path length of light using textured surfaces. The impact of these layers on efficiency is usually studied using experimental methods. This requires building of a solar cell and is time consuming and prone to error. Simulation is used to predict light scattering effects in large domains with textured layers. We studied these effects using a conformal finite integration technique (FIT) that efficiently simulates complex geometries with surface roughness. The simulated external quantum efficiency EQE for a solar cell with a μc-Si:H and aSi:H layers with surface roughness are presented.

Paper Details

Date Published: 7 March 2014
PDF: 7 pages
Proc. SPIE 8981, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices III, 89811E (7 March 2014); doi: 10.1117/12.2035319
Show Author Affiliations
Zhabiz Rahimi, Friedrich-Alexander Univ. Erlangen-Nürnberg (Germany)
Christoph Pflaum, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)

Published in SPIE Proceedings Vol. 8981:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices III
Alexandre Freundlich; Jean-François Guillemoles, Editor(s)

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