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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 20, Iss. S6 — Nov. 5, 2012
  • pp: A888–A897

Effect of dielectric Bragg grating nanostructuring on dye sensitized solar cells

Daniele Barettin, Aldo Di Carlo, Roberta De Angelis, Mauro Casalboni, and Paolo Prosposito  »View Author Affiliations

Optics Express, Vol. 20, Issue S6, pp. A888-A897 (2012)

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We report on a theoretical investigation on the influence of different wavelength scale periodic grating architectures on dye sensitized solar cell (DSC). A broadband absorption enhancement is expected in such solar cells thanks to diffraction effects produced by these structures. Their optimal size has been analyzed in terms of pitch grating, height and position along the solar cell layers. Numerical simulations indicate that nanostructuring the interface between the active and the electrolyte layer by integrating a dielectric grating produces an absorption enhancement of 23.4%. The presented results have been also evaluated in view of feasible realistic structures compatible with low cost soft lithographic techniques.

© 2012 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(350.6050) Other areas of optics : Solar energy
(350.4238) Other areas of optics : Nanophotonics and photonic crystals

ToC Category:

Original Manuscript: August 14, 2012
Revised Manuscript: September 20, 2012
Manuscript Accepted: September 20, 2012
Published: October 9, 2012

Daniele Barettin, Aldo Di Carlo, Roberta De Angelis, Mauro Casalboni, and Paolo Prosposito, "Effect of dielectric Bragg grating nanostructuring on dye sensitized solar cells," Opt. Express 20, A888-A897 (2012)

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