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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 6 — Mar. 12, 2012
  • pp: 6340–6347

Plasmonic effects in amorphous silicon thin film solar cells with metal back contacts

Ujwol Palanchoke, Vladislav Jovanov, Henning Kurz, Philipp Obermeyer, Helmut Stiebig, and Dietmar Knipp  »View Author Affiliations


Optics Express, Vol. 20, Issue 6, pp. 6340-6347 (2012)
http://dx.doi.org/10.1364/OE.20.006340


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Abstract

Plasmonic effects in amorphous silicon thin film solar cells with randomly textured metal back contact were investigated experimentally and numerically. The influence of different metal back contacts with and without ZnO interlayer was studied and losses in the individual layers of the solar cell were quantified. The amorphous silicon thin film solar cells were prepared on randomly textured substrates using large area production equipment and exhibit conversion efficiencies approaching 10%. The optical wave propagation within the solar cells was studied by Finite Difference Time Domain simulations. The quantum efficiency of solar cells with and without ZnO interlayer was simulated and the interplay between the reflection, quantum efficiency and absorption in the back contact will be discussed.

© 2012 OSA

OCIS Codes
(240.5770) Optics at surfaces : Roughness
(350.6050) Other areas of optics : Solar energy
(250.5403) Optoelectronics : Plasmonics
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Solar Energy

History
Original Manuscript: November 28, 2011
Revised Manuscript: February 19, 2012
Manuscript Accepted: February 20, 2012
Published: March 5, 2012

Citation
Ujwol Palanchoke, Vladislav Jovanov, Henning Kurz, Philipp Obermeyer, Helmut Stiebig, and Dietmar Knipp, "Plasmonic effects in amorphous silicon thin film solar cells with metal back contacts," Opt. Express 20, 6340-6347 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-6-6340


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