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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 21, Iss. S4 — Jul. 1, 2013
  • pp: A656–A668

Designing optimized nano textures for thin-film silicon solar cells

Klaus Jäger, Marinus Fischer, René A.C.M.M. van Swaaij, and Miro Zeman  »View Author Affiliations


Optics Express, Vol. 21, Issue S4, pp. A656-A668 (2013)
http://dx.doi.org/10.1364/OE.21.00A656


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Abstract

Thin-film silicon solar cells (TFSSC), which can be manufactured from abundant materials solely, contain nano-textured interfaces that scatter the incident light. We present an approximate very fast algorithm that allows optimizing the surface morphology of two-dimensional nano-textured interfaces. Optimized nano-textures scatter the light incident on the solar cell stronger leading to a higher short-circuit current density and thus efficiency. Our algorithm combines a recently developed scattering model based on the scalar scattering theory, the Perlin-noise algorithm to generate the nano textures and the simulated annealing algorithm as optimization tool. The results presented in this letter allow to push the efficiency of TFSSC towards their theoretical limit.

© 2013 OSA

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(290.5880) Scattering : Scattering, rough surfaces
(350.6050) Other areas of optics : Solar energy
(310.7005) Thin films : Transparent conductive coatings

ToC Category:
Photovoltaics

History
Original Manuscript: February 25, 2013
Revised Manuscript: April 12, 2013
Manuscript Accepted: April 15, 2013
Published: May 24, 2013

Citation
Klaus Jäger, Marinus Fischer, René A.C.M.M. van Swaaij, and Miro Zeman, "Designing optimized nano textures for thin-film silicon solar cells," Opt. Express 21, A656-A668 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-S4-A656


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