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Ionic Conductivity of Organic–Inorganic Perovskites: Relevance for Long-Time and Low Frequency Behavior

  • Giuliano Gregori
  • Tae-Youl Yang
  • Alessandro Senocrate
  • Michael Grätzel
  • Joachim Maier
Chapter

Abstract

This chapter is focused on the relevance of the ionic transport in hybrid organic–inorganic perovskites. The occurrence of significant ionic conductivity along with electronic conductivity leads to stoichiometric polarization on current flow. Such a polarization yields a large apparent dielectric constant at low frequencies and a pronounced hysteresis behavior in i-V sweep experiments. We describe electrochemical background, precise measurements, and the impact of these phenomena for the photo-perovskites.

Keywords

Space Charge Polarization Mixed Conductor Perovskite Solar Cell Chemical Diffusion Coefficient Ionic Transference Number 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Giuliano Gregori
    • 1
  • Tae-Youl Yang
    • 1
  • Alessandro Senocrate
    • 1
    • 2
  • Michael Grätzel
    • 2
  • Joachim Maier
    • 1
  1. 1.Max Planck Institute for Solid State ResearchStuttgartGermany
  2. 2.École Polytechnique Fédérale de LausanneLausanneSwitzerland

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