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Enhanced efficiency of single and tandem organic solar cells incorporating a diketopyrrolopyrrole-based low-bandgap polymer by utilizing combined ZnO/polyelectrolyte electron-transport layers

  • Jang Jo
  • , Jean Rémi Pouliot
  • , David Wynands
  • , Samuel D. Collins
  • , Jin Young Kim
  • , Thanh Luan Nguyen
  • , Han Young Woo
  • , Yanming Sun*
  • , Mario Leclerc
  • , Alan J. Heeger
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Power conversion efficiency up to 8.6% is achieved for a solution-processed tandem solar cell based on a diketopyrrolopyrrole-containing polymer as the low-bandgap material after using a thin polyelectrolyte layer to modify the electron-transport ZnO layers, indicating that interfacial engineering is a useful approach to further enhancing the efficiency of tandem organic solar cells.

Original languageEnglish
Pages (from-to)4783-4788
Number of pages6
JournalAdvanced Materials
Volume25
Issue number34
DOIs
Publication statusPublished - 2013 Sept 14
Externally publishedYes

Keywords

  • conjugated polymer
  • polyelectrolyte
  • solvent additives
  • tandem organic solar cells
  • zinc oxide

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

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