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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 13 — May. 1, 2008
  • pp: C251–C256

Optical modeling of organic solar cells based on CuPc and C60

Florent Monestier, Jean-Jacques Simon, Philippe Torchio, Ludovic Escoubas, Bernard. Ratier, Wassim Hojeij, Bruno Lucas, André Moliton, Michel Cathelinaud, Christophe Defranoux, and François Flory  »View Author Affiliations

Applied Optics, Vol. 47, Issue 13, pp. C251-C256 (2008)

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We have investigated the influence of the poly(3,4-ethylenedioxythiophene)-blend-poly(styrene-sulfonate) (PEDOT:PSS) layer on the short-circuit current density ( J sc ) of single planar heterojunction organic solar cells based on a copper phthalocyanine (CuPc)-buckminsterfullerene ( C 60 ) active layer. Complete optical and electrical modeling of the cell has been performed taking into account optical interferences and exciton diffusion. Comparison of experimental and simulated external quantum efficiency has allowed us to estimate the exciton diffusion length to be 37 nm for the CuPc and 19 nm for the C 60 . The dependence of short-circuit current densities versus the thickness of the PEDOT:PSS layer is analyzed and compared with experimental data. It is found that the variation in short-circuit current densities could be explained by optical interferences.

© 2008 Optical Society of America

OCIS Codes
(040.5350) Detectors : Photovoltaic
(160.4890) Materials : Organic materials

Original Manuscript: August 3, 2007
Revised Manuscript: November 19, 2007
Manuscript Accepted: December 4, 2007
Published: February 13, 2008

Florent Monestier, Jean-Jacques Simon, Philippe Torchio, Ludovic Escoubas, Bernard Ratier, Wassim Hojeij, Bruno Lucas, André Moliton, Michel Cathelinaud, Christophe Defranoux, and François Flory, "Optical modeling of organic solar cells based on CuPc and C60," Appl. Opt. 47, C251-C256 (2008)

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