Properties of Vanadium-Doped Indium Oxide Deposited at Room Temperature as Transparent Conductor for Inverted Polymer Solar Cells

  • Min Jun Choi
  • , Keun Yong Lim
  • , Hyun Woo Park
  • , Han Ki Kim
  • , Do Kyung Hwang
  • , Sung Jin Lim
  • , Jae Won Shim
  • , Kwun Bum Chung

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The properties of vanadium-doped indium oxide (IVO) deposited at room temperature as a transparent conductor for inverted polymer solar cells have been investigated as a function of the vanadium doping concentration. IVO film prepared with V doping concentration of 0.03% showed optimal properties for use as a transparent conductor with figure of merit of 4.35 × 10−3 Ohm−1, related to altered band alignment between the Fermi level and conduction-band minimum. In the optimal optoelectrical conditions for the IVO film, performance optimization of PTB7:PC70BM inverted polymer solar cells resulted in maximum power conversion efficiency of 4.7 ± 0.4% under simulated air mass 1.5 global illumination at 100 mW/cm2.

Original languageEnglish
Pages (from-to)5797-5803
Number of pages7
JournalJournal of Electronic Materials
Volume46
Issue number10
DOIs
StatePublished - 1 Oct 2017

Keywords

  • electronic structure
  • Indium vanadium oxide
  • inverted polymer solar cell

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