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Flexible ITO-free organic solar cells applying aqueous solution-processed V2O5 hole transport layer: An outdoor stability study

Authors
  • Lima, F. Anderson S.
  • Beliatis, Michail J.
  • Roth, Bérenger
  • Andersen, Thomas Rieks
  • Bortoti, Andressa
  • Reyna, Yegraf
  • Castro, Eryza
  • Vasconcelos, Igor F.
  • Gevorgyan, Suren
  • Krebs, Frederik C
  • Lira-Cantu, Monica
Publication Date
Jan 01, 2016
Source
Online Research Database In Technology
License
Unknown
External links

Abstract

Solution processable semiconductor oxides have opened a new paradigm for theenhancement of the lifetime of thin film solar cells. Their fabrication by low-costand environmentally friendly solution-processable methods makes them ideal barrier(hole and electron) transport layers. In this work, we fabricate flexible ITO-freeorganic solar cells (OPV) by printing methods applying an aqueous solution-processedV2O5 as the hole transport layer (HTL) and compared them to devices applyingPEDOT:PSS. The transparent conducting electrode was PET/Ag/PEDOT/ZnO, andthe OPV configurationwas PET/Ag/PEDOT/ZnO/P3HT:PC60BM/HTL/Ag. Outdoorstability analyses carried out for more than 900 h revealed higher stability for devicesfabricated with the aqueous solution-processed V2O5.

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