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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 11 — May. 24, 2010
  • pp: 11763–11771

Spatial distribution of absorption in plasmonic thin film solar cells

Chien-Chang Chao, Chih-Ming Wang, and Jenq-Yang Chang  »View Author Affiliations

Optics Express, Vol. 18, Issue 11, pp. 11763-11771 (2010)

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The spatial dependence of absorption in a structured thin film solar cell is investigated through the rigorous coupled-wave analysis method. The investigated structure allows strong localized surface plasmon and surface plasmon polaritons, simultaneously. The absorptance of silver and amorphous silicon can be separately accounted for by calculating the time-averaged energy dissipation although only the absorption of amorphous silicon contributes to the photocurrent. In our studied case, the metallic material absorbs around 15%-20% of the total impinging sunlight while the active layer absorbs only ~50%.

© 2010 OSA

OCIS Codes
(040.5350) Detectors : Photovoltaic
(230.4170) Optical devices : Multilayers
(240.6680) Optics at surfaces : Surface plasmons
(310.6845) Thin films : Thin film devices and applications
(010.1030) Atmospheric and oceanic optics : Absorption

ToC Category:
Solar Energy

Original Manuscript: March 8, 2010
Revised Manuscript: April 28, 2010
Manuscript Accepted: May 17, 2010
Published: May 19, 2010

Chien-Chang Chao, Chih-Ming Wang, and Jenq-Yang Chang, "Spatial distribution of absorption in plasmonic thin film solar cells," Opt. Express 18, 11763-11771 (2010)

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