Trap distribution and field effect transistor (FET) of perylene by organic molecular beam deposition (OMBD)

T. Y. Choi, H. S. Kang, D. H. Park, J. M. Koo, J. K. Lee, S. D. Ahn, J. Joo

Research output: Contribution to journalConference articlepeer-review

11 Scopus citations

Abstract

Organic semiconducting perylene molecule was deposited as active layer on the FET pattern by using organic molecular beam deposition (OMBD) method. For the morphology and structure, we performed the atomic force microscopy, scanning electron microscopy, and X-ray diffraction experiments. From the I-V characteristics, bulk trap density, trap distribution, and electric field dependent mobility were estimated. Thin film field effect transistor based on perylene molecule was fabricated. From the results of the current modulation with different gate voltages of the FET, gate induced carrier concentration and field effect mobility were obtained. We observed Gaussian-like deep trap distribution, and that mobility was 3 × 10-7 cm2/Vs.

Original languageEnglish
Pages (from-to)929-930
Number of pages2
JournalSynthetic Metals
Volume137
Issue number1-3
DOIs
StatePublished - 4 Apr 2003
Externally publishedYes
EventICSM 2002 - Shanghai, China
Duration: 29 Jun 20025 Jul 2002

Keywords

  • Field effect transistor
  • Mobility
  • Organic molecular beam deposition
  • Perylene

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