Extraction of solar cell series resistance without presumed current-voltage functional form

Ming Kun Lee, Jen Chun Wang, Sheng Fu Horng*, Hsin-Fei Meng

*Corresponding author for this work

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

A new method which does not require presumed current-voltage functional form is proposed for the determination of the series resistance, the shunt resistance, the photocurrent, and the intrinsic current-voltage characteristics of solar cells. This method was applied to analyze a bulk heterojunction organic solar cell. It was found that the extracted intrinsic current-voltage characteristic clearly exhibits a linear hopping current component and a quadratic space-charge limited current component. Furthermore, the reconstructed dark current-voltage curve is found to differ significantly from the measured dark current-voltage curve, revealing the importance of electric field in the operation of bulk heterojunction organic solar cells.

Original languageEnglish
Pages (from-to)578-582
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume94
Issue number3
DOIs
StatePublished - 1 Mar 2010

Keywords

  • Circuit model
  • Series resistance extraction
  • Solar cell

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