Concomitant tuning of metal work function and wetting property with mixed self-assembled monolayers

Chun Yu Chen, Kun Yang Wu, Yu Chiang Chao, Hsiao-Wen Zan*, Hsin-Fei Meng, Yu Tai Tao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

The effect of the surface composition of a mixed self-assembled monolayer on the work function and wetting property of silver substrate are investigated with the mixtures of a fluorinated alkanethiol and a carboxyl-terminated alkanethiol of various chain lengths. The work function of silver can be tuned from 4.3 to 5.3 eV by changing the mixing ratio while the wetting property can be modulated by adjust the relative chain length of the fluorinated thiol and the carboxyl-terminated thiol. Thus solution-processed poly(para phenylene vinylene)-based polymer light-emitting diode was made possible with high efficiency of 6.7 cd/A and brightness of 40,000 cd/m2.

Original languageEnglish
Pages (from-to)148-153
Number of pages6
JournalOrganic Electronics
Volume12
Issue number1
DOIs
StatePublished - 1 Jan 2011

Keywords

  • Polymer light-emitting diode
  • Self-assembled monolayer
  • Wetting property

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