Open-circuit voltage of organic photovoltaics: Implications of the generalized Einstein relation for disordered semiconductors

Assaf Manor, Eugene A. Katz

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The open-circuit voltage dependence on light intensity and temperature is calculated for organic photovoltaics, taking into account the generalized Einstein relation for disordered semiconductors. The results show that open-circuit voltage losses in bulk-heterojunction organic solar cells are affected from the diffusion enhancement inherent to disordered semiconductors. The model is validated by the fitting to recently published experimental data.

Original languageEnglish
Pages (from-to)132-138
Number of pages7
JournalSolar Energy Materials and Solar Cells
Volume97
DOIs
StatePublished - 1 Feb 2012

Keywords

  • Bulk heterojunction
  • Disordered semiconductors
  • Generalized Einstein relation
  • Open-circuit voltage
  • Organic photovoltaics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

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