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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 24 — Nov. 24, 2008
  • pp: 19987–19994

Organic photovoltaic cell in lateral-tandem configuration employing continuously-tuned microcavity sub-cells

Changsoon Kim and Jungsang Kim  »View Author Affiliations


Optics Express, Vol. 16, Issue 24, pp. 19987-19994 (2008)
http://dx.doi.org/10.1364/OE.16.019987


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Abstract

We propose a lateral-tandem organic photovoltaic system consisting of a dispersive-focusing element and continuously-tuned, series-connected sub-cells. The proposed system overcomes the efficiency limitation of organic photovoltaic devices by spectral re-distribution of incoming solar photons and their delivery to the wavelength-matched, resonant sub-cells. By numerical simulations, we demonstrate that optical resonance in a microcavity sub-cell with a metal/organic multilayer/metal structure can be tuned over a broad spectrum by varying the thickness of the organic multilayer. We show that the power-conversion efficiency exceeding 18% can be obtained in a lateral-tandem system employing an ideal dispersive-focusing element and the microcavity sub-cells.

© 2008 Optical Society of America

OCIS Codes
(130.5990) Integrated optics : Semiconductors
(230.0230) Optical devices : Optical devices
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Optical Devices

History
Original Manuscript: July 29, 2008
Revised Manuscript: November 1, 2008
Manuscript Accepted: November 12, 2008
Published: November 20, 2008

Citation
Changsoon Kim and Jungsang Kim, "Organic photovoltaic cell in lateral-tandem configuration employing continuously-tuned microcavity sub-cells," Opt. Express 16, 19987-19994 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-24-19987


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