Enhancement of electron injection using reactive self-assembled monolayer in organic electronic devices

Jeong Ho Cho, Wi Hyoung Lee, Yeong Don Park, Woong Kwon Kim, Soo Young Kim, Jong Lam Lee, Kilwon Cho

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

With the aim of enhancing electron injection in organic electronic devices, a self-assembled monolayer (SAM) that reacts with both cathode and polymer insulating nanolayers was used. The turn-on voltage of the device decreased from 16 to 7 V by inserting a methoxy-terminated SAM between the cathode and polymer insulating nanolayer. Synchrotron radiation photoelectron spectroscopy results showed that inserting the SAM and polymer insulating nanolayer caused the work function to decrease by about 0.8 eV. This reduction lowers the electron injection barrier, and produces a decrease in turn-on voltage of the device.

Original languageEnglish
Pages (from-to)G147-G149
JournalElectrochemical and Solid-State Letters
Volume9
Issue number4
DOIs
Publication statusPublished - 2006

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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