Characterization of perylene and tetracene-based ambipolar light-emitting field-effect transistors

Hoon Seok Seo, Min Jun An, Ying Zhang, Jong-Ho Choi

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Herein is presented systematic analysis of air-stable, ambipolar heterojunction-based organic light-emitting field-effect transistors (OLEFETs). Top-contact OLEFETs with multidigitated, long channel-width geometry were produced by the successive deposition of electron-transporting N,N′-ditridecylperylene-3,4,9,10-tetracarboxylic diimide (P13) and hole-transporting tetracene layers, using the neutral cluster beam deposition (NCBD) method. The morphological, structural, and photoluminescence properties of the untreated and thermally post-treated P13/tetracene active layers were examined by atomic force microscopy, X-ray diffraction, and laser scanning confocal microscopy. From the comparative analysis of the NCBD thin films, the neutral cluster beams led to the preparation of smooth, uniform bilayer films consisting of well-packed grain crystallites. The OLEFETs demonstrated good field-effect characteristics, stress-free operational stability, and electroluminescence under ambient conditions. The operating conduction mechanism that accounts for the observed light emission is also discussed.

Original languageEnglish
Pages (from-to)6141-6147
Number of pages7
JournalJournal of Physical Chemistry C
Volume114
Issue number13
DOIs
Publication statusPublished - 2010 Apr 8

Fingerprint

Perylene
Field effect transistors
field effect transistors
beam leads
X ray lasers
Confocal microscopy
Light emission
Electroluminescence
Crystallites
electroluminescence
crystallites
light emission
Heterojunctions
heterojunctions
Atomic force microscopy
Photoluminescence
atomic force microscopy
microscopy
Scanning
photoluminescence

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Characterization of perylene and tetracene-based ambipolar light-emitting field-effect transistors. / Seo, Hoon Seok; An, Min Jun; Zhang, Ying; Choi, Jong-Ho.

In: Journal of Physical Chemistry C, Vol. 114, No. 13, 08.04.2010, p. 6141-6147.

Research output: Contribution to journalArticle

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