Electrical characteristics of organic perylene single-crystal-based field-effect transistors

Jin Woo Lee, Han Saem Kang, Min Ki Kim, Kihyun Kim, Mi Yeon Cho, Young Wan Kwon, Jinsoo Joo, Jae Il Kim, Chang Seop Hong

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We report on the fabrication of organic field-effect transistors (OFETs) using perylene single crystal as the active material and their electrical characteristics. Perylene single crystals were directly grown from perylene powder in a furnace using a relatively short growth time of 1-3 h. The crystalline structure of the perylene single crystals was characterized by means of a single-crystal x-ray diffractometer. In order to place the perylene single crystal onto the Au electrodes of the field-effect transistor, a polymethlymethacrylate thin layer was spin-coated on top of the crystal surface. The OFETs fabricated using the perylene single crystal showed a typical p -type operating mode. The field-effect mobility of the perylene crystal based OFETs was measured to be ∼9.62× 10-4 cm2 /V s at room temperature. The anisotropy of the mobility implying the existence of different mobilities when applying currents in different directions was observed for the OFETs, and the existence of traps in the perylene crystal was found through the measurements of the temperature-dependent mobility at various operating drain voltages.

Original languageEnglish
Article number124104
JournalJournal of Applied Physics
Volume102
Issue number12
DOIs
Publication statusPublished - 2007 Dec 1

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field effect transistors
single crystals
diffractometers
crystal surfaces
crystals
furnaces
traps
anisotropy
fabrication
electrodes
electric potential
room temperature
x rays
temperature

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

Electrical characteristics of organic perylene single-crystal-based field-effect transistors. / Lee, Jin Woo; Kang, Han Saem; Kim, Min Ki; Kim, Kihyun; Cho, Mi Yeon; Kwon, Young Wan; Joo, Jinsoo; Kim, Jae Il; Hong, Chang Seop.

In: Journal of Applied Physics, Vol. 102, No. 12, 124104, 01.12.2007.

Research output: Contribution to journalArticle

Lee, Jin Woo ; Kang, Han Saem ; Kim, Min Ki ; Kim, Kihyun ; Cho, Mi Yeon ; Kwon, Young Wan ; Joo, Jinsoo ; Kim, Jae Il ; Hong, Chang Seop. / Electrical characteristics of organic perylene single-crystal-based field-effect transistors. In: Journal of Applied Physics. 2007 ; Vol. 102, No. 12.
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