Flexible polymer photovoltaic devices prepared with inverted structures on metal foils

Fang-Chung Chen*, Jyh Lih Wu, Chia Ling Lee, Wen Che Huang, Huang-Ming Chen, Wen Chang Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

We have prepared top-illuminated organic photovoltaic devices on stainless-steel substrates, using molybdenum trioxide/indium tin oxide as the transparent top electrode. Incorporating an Al counter electrode grid having a shadow fraction of 10% effectively reduced the device resistance, thereby enhancing the power conversion efficiency to ca. 3%. This device exhibited superior mechanical flexibility. The inverted device architecture eliminated the need to use low-work-function metals, which are air sensitive and easily oxidized, thereby improving the air stability of the flexible devices.

Original languageEnglish
Pages (from-to)727-729
Number of pages3
JournalIEEE Electron Device Letters
Volume30
Issue number7
DOIs
StatePublished - 15 Jun 2009

Keywords

  • Energy resources
  • Flexible structures
  • Photovoltaic cells
  • Polymers

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