Solution-processed nanocomposites containing molybdenum oxide and gold nanoparticles as anode buffer layers in plasmonic-enhanced organic photovoltaic devices

Kim Shih Tan, Ming Kai Chuang, Fang-Chung Chen*, Chain-Shu Hsu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Solution-processed nanocomposites containing molybdenum oxide (MoO 3) and gold nanoparticles (Au NPs) have been used as anode buffer layers in organic photovoltaic devices (OPVs). The resulting devices exhibit a remarkable enhancement in power conversion efficiency after Au NPs were incorporated into the device. Such enhancements can be attributed to the localized surface plasmon resonance induced by the metallic nanostructures. We have also found that the rate of exciton generation and the probability of exciton dissociation were increased. Furthermore, the devices made of the MoO3 buffer layer containing Au NPs exhibited superior stability. This work opens up the possibility of fabricating OPVs with both high efficiency and a prolonged lifetime.

Original languageEnglish
Pages (from-to)12419-12424
Number of pages6
JournalACS Applied Materials and Interfaces
Volume5
Issue number23
DOIs
StatePublished - 15 Nov 2013

Keywords

  • gold nanoparticles
  • molybdenum oxide
  • photovoltaic devices
  • plasmonic
  • polymer
  • stability

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