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Surface modification of metal oxide using ionic liquid molecules in hybrid organic-inorganic optoelectronic devices

  • Bo Ram Lee
  • , Hyosung Choi
  • , Ji Sunpark
  • , Hyun Jung Lee
  • , Sang Ouk Kim
  • , Jin Young Kim
  • , Myoung Hoon Song
  • Ulsan National Institute of Science and Technology
  • Korea Advanced Institute of Science and Technology

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate enhanced device performance by surface modification of n-type ZnO using ionic liquid molecules (ILMs) in hybrid organic-inorganic polymeric light-emitting diodes (HyPLEDs) and solar cells (HySCs). Spontaneously aligned dipole polarization within the thin ILMs layer reduces the electron injection barrier, and significantly enhances the electron injection efficiency in HyPLEDs and the open-circuit voltage (VOC) in HySCs.

Original languageEnglish
Pages (from-to)2051-2053
Number of pages3
JournalJournal of Materials Chemistry
Volume21
Issue number7
DOIs
StatePublished - 21 Feb 2011
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

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