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Proceedings Paper

Design of nano-pattern reflectors for thin-film solar cells based on three-dimensional optical and electrical modeling
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Paper Abstract

The optical and electrical properties of a photonic-plasmonic nanostructure on the back contact of thin-film solar cells were investigated numerically through the three-dimensional (3D) finite-difference time-domain method and the 3D Poisson and drift-diffusion solver. The focusing effect and the Fabry-Perot resonances are identified as the main mechanisms for the enhancement of the optical generation rate as well as the short circuit current density. However, the surface topography of certain nanopattern structures is found to reduce the internal electrostatic field of the device, thus limiting charge collection. The optimized conditions for both optics and electronics have been analyzed in this paper.

Paper Details

Date Published: 16 March 2015
PDF: 9 pages
Proc. SPIE 9358, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IV, 935808 (16 March 2015); doi: 10.1117/12.2079582
Show Author Affiliations
H. H. Hsiao, National Taiwan Univ. (Taiwan)
H. C. Chang, National Taiwan Univ. (Taiwan)
Y. R. Wu, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 9358:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IV
Alexandre Freundlich; Jean-François Guillemoles; Masakazu Sugiyama, Editor(s)

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