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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3235–3242

Interplay between transparency and efficiency in dye sensitized solar cells

Roberto Tagliaferro, Daniele Colonna, Thomas M. Brown, Andrea Reale, and Aldo Di Carlo  »View Author Affiliations


Optics Express, Vol. 21, Issue 3, pp. 3235-3242 (2013)
http://dx.doi.org/10.1364/OE.21.003235


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Abstract

In this paper we analyze the interplay between transparency and efficiency in dye sensitized solar cells by varying fabrication parameters such as the thickness of the nano-crystalline TiO2 layer, the dye loading and the dye type. Both transparency and efficiency show a saturation trend when plotted versus dye loading. By introducing the transparency-efficiency plot, we show that the relation between transparency and efficiency is linear and is almost independent on the TiO2 thickness for a certain thickness range. On the contrary, the relation between transparency and efficiency depends strongly on the type of the dye. Moreover, we show that co-sensitization techniques can be effectively used to access regions of the transparency-efficiency space that are forbidden for single dye sensitization. The relation found between transparency and efficiency (T&E) can be the general guide for optimization of Dye Solar Cells in building integration applications.

© 2013 OSA

OCIS Codes
(310.6860) Thin films : Thin films, optical properties
(350.6050) Other areas of optics : Solar energy
(310.7005) Thin films : Transparent conductive coatings

ToC Category:
Solar Energy

History
Original Manuscript: October 18, 2012
Revised Manuscript: November 27, 2012
Manuscript Accepted: November 27, 2012
Published: February 1, 2013

Citation
Roberto Tagliaferro, Daniele Colonna, Thomas M. Brown, Andrea Reale, and Aldo Di Carlo, "Interplay between transparency and efficiency in dye sensitized solar cells," Opt. Express 21, 3235-3242 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-3-3235


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