Enhancing functionality of ZnO hole blocking layer in organic photovoltaics

Assaf Manor, Eugene A. Katz, Thomas Tromholt, Frederik C. Krebs

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


We present a simple post-processing treatment, which dramatically improves the electrical properties of inverted geometry bulk-heterojunction organic solar cells, by enhancing functionality of the zinc-oxide hole blocking layer. The results show that inherent problems associated with the ZnO layer (e.g. shunting and JV inflection points) are of the same origin and can be efficiently treated and removed.

Original languageEnglish
Pages (from-to)491-493
Number of pages3
JournalSolar Energy Materials and Solar Cells
StatePublished - 1 Mar 2012


  • Bulk-heterojunction
  • Hole blocking layer
  • Inflection point
  • Organic photovoltaics
  • Shunting effect
  • ZnO


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