Optimization of inverted bulk heterojunction polymer solar cells

Bing Zhang, Dong Hyun Lee, Heeyeop Chae, Chinho Park, Sung Min Cho

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We have successively fabricated inverted bulk heterojunction polymer solar cells employing ZnO and MoO3 as electron and hole selective layers, respectively. The device structure is ITO/ZnO/P3HT: PCBM/MoO3/Al. Differently from conventional polymer solar cells, ITO and Al work as electron and hole collecting electrodes in this inverted structure, respectively. We have found the optimal thickness of ZnO and MoO3 to be 100 nm and 5 nm, respectively. The highest PCE was obtained to be 3. 32% under AM 1. 5 illumination at 1,000W/m2, which is the highest PCE of inverted solar cells reported previously in the literature.

Original languageEnglish
Pages (from-to)999-1002
Number of pages4
JournalKorean Journal of Chemical Engineering
Volume27
Issue number3
DOIs
StatePublished - 2010

Keywords

  • Invert Structure
  • Molybdenum Oxide
  • Polymer Solar Cells
  • Zinc Oxide

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