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

Research output: Contribution to journalArticle

107 Citations (Scopus)

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 Sep 14

Keywords

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

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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