Applied Physics A

, Volume 108, Issue 3, pp 515–520

Correlation of charge extraction properties and short circuit current in various organic binary and ternary blend photovoltaic devices

  • T. Birendra Singh
  • Xiwen Chen
  • Wallace W. H. Wong
  • Tino Ehlig
  • Peter Kemppinen
  • Ming Chen
  • Scott E. Watkins
  • Kevin N. Winzenberg
  • Steven Holdcroft
  • David J. Jones
  • Andrew B. Holmes
Article

Abstract

Charge extraction properties of various binary and ternary blends of organic photovoltaic devices covering both polymers and small molecules are studied. Due to their bipolar nature, both slow and fast carrier mobilities are identified from the extraction current transient. The equilibrium carrier concentration is also estimated for each of the blend films. The product of the slow carrier mobility and equilibrium concentration spreading two orders of magnitude can be used to estimate the short circuit current density. A good agreement between the estimated and measured short circuit current density is obtained with the accuracy reliant on the estimation of the slowest carrier mobility. This simplistic approach will be very useful to predict the short circuit current density for devices based on new materials.

Supplementary material

339_2012_7028_MOESM1_ESM.doc (606 kb)
Correlation of charge extraction properties and short circuit current in various organic binary and ternary blend photovoltaic devices (DOC 606 kB)

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • T. Birendra Singh
    • 1
  • Xiwen Chen
    • 1
  • Wallace W. H. Wong
    • 2
  • Tino Ehlig
    • 1
  • Peter Kemppinen
    • 1
  • Ming Chen
    • 1
  • Scott E. Watkins
    • 1
  • Kevin N. Winzenberg
    • 1
  • Steven Holdcroft
    • 3
  • David J. Jones
    • 2
  • Andrew B. Holmes
    • 1
    • 2
  1. 1.Materials Science and EngineeringCommonwealth Scientific and Industrial Research Organisation (CSIRO)Clayton SouthAustralia
  2. 2.School of Chemistry, Bio21 InstituteUniversity of MelbourneParkvilleAustralia
  3. 3.Dept. of ChemistrySimon Fraser UniversityBurnabyCanada

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