Communication

Current-Voltage Characteristics of Bulk Heterojunction Organic Solar Cells: Connection Between Light and Dark Curves

  1. Pablo P. Boix1,
  2. Antonio Guerrero1,
  3. Luís F. Marchesi2,
  4. Germà Garcia-Belmonte3,*,
  5. Juan Bisquert3

Article first published online: 19 SEP 2011

DOI: 10.1002/aenm.201100334

Issue

Advanced Energy Materials

Advanced Energy Materials

Volume 1, Issue 6, pages 1073–1078, November, 2011

Additional Information

How to Cite

Boix, P. P., Guerrero, A., Marchesi, L. F., Garcia-Belmonte, G. and Bisquert, J. (2011), Current-Voltage Characteristics of Bulk Heterojunction Organic Solar Cells: Connection Between Light and Dark Curves. Adv. Energy Mater., 1: 1073–1078. doi: 10.1002/aenm.201100334

Author Information

  1. 1

    Photovoltaic and Optoelectronic Devices Group, Departament de Física, Universitat Jaume I, ES-12071 Castelló, Spain

  2. 2

    Photovoltaic and Optoelectronic Devices Group, Departament de Física, Universitat Jaume I, ES-12071 Castelló, Spain and Laboratório Interdisciplinar de, Eletroquímica e Cerâmica (LIEC), Universidade Federal de São Carlos - São Carlos - Brazil

  3. 3

    Photovoltaic and Optoelectronic Devices Group, Departament de Física, Universitat Jaume I, ES-12071 Castelló, Spain

*Photovoltaic and Optoelectronic Devices Group, Departament de Física, Universitat Jaume I, ES-12071 Castelló, Spain.

Publication History

  1. Issue published online: 15 NOV 2011
  2. Article first published online: 19 SEP 2011
  3. Manuscript Revised: 7 AUG 2011
  4. Manuscript Received: 20 JUN 2011

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Keywords:

  • organic photovoltaics;
  • recombination resistance;
  • current-voltage;
  • impedance spectroscopy
Thumbnail image of graphical abstract

A connection is established between recombination and series resistances extracted from impedance spectroscopy and current-voltage curves of polythiophene:fullerene organic solar cells. Recombination is shown to depend exclusively on the (Fermi level) voltage, which allows construction of the current-voltage characteristics in any required conditions based on a restricted set of measurements. The analysis highlights carrier recombination current as the determining mechanism of organic solar cell performance.

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