Enhanced charge injection in pentacene field-effect transistors with graphene electrodes

Sangchul Lee, Gunho Jo, Seok Ju Kang, Gunuk Wang, Minhyeok Choe, Woojin Park, Dong Yu Kim, Yung Ho Kahng, Takhee Lee

Research output: Contribution to journalArticlepeer-review

108 Citations (Scopus)

Abstract

Pentacene organic field-effect transistors with multilayer graphene electrodes exhibit a lower contact resistance and lower charge-injection barrier height than those with conventional Au electrodes. This enhancement in performance is related to the favorable dipole layer formation at the graphene/pentacene interface.

Original languageEnglish
Pages (from-to)100-105
Number of pages6
JournalAdvanced Materials
Volume23
Issue number1
DOIs
Publication statusPublished - 2011 Jan 4
Externally publishedYes

Keywords

  • Charge transport
  • Electrodes
  • Graphene
  • Organic field-effect transistors
  • Pentacene

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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