Hysteresis effects by source/drain interdigitated-finger geometry in 6,13-Bis(triisopropylsilylethynyl)pentacene thin-film transistors

Jae Hong Kwon, Sang Il Shin, Jinnil Choi, Myung Ho Chung, Hyeyeon Ryu, Ute Zschieschang, Hagen Klauk, John E. Anthony, Byeong Kwon Ju

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This work reports on the fabrication of organic thin-film transistors (OTFTs) with a solution-based 6,13-bis(triisopropylsilylethynyl)pentacene by a drop-casting method, and the determination of the electrical properties of OTFTs having different source/drain interdigitated-finger electrodes. The results show that the hysteresis in transfer characteristics of the OTFTs depends on the variation of contact fingers. These hystereses lead to changes in threshold voltage, which originates from charge trapping/detrapping at or near the organic semiconductor/dielectric interface. These related phenomena also influence the device parameters such as the field-effect mobility, the on/off current ratio, and the gate current.

Original languageEnglish
JournalElectrochemical and Solid-State Letters
Volume12
Issue number8
DOIs
Publication statusPublished - 2009 Jun 29

Fingerprint

Thin film transistors
Hysteresis
transistors
hysteresis
Geometry
thin films
geometry
Charge trapping
Semiconducting organic compounds
organic semiconductors
Threshold voltage
threshold voltage
Casting
Electric properties
trapping
electrical properties
Fabrication
Electrodes
fabrication
electrodes

ASJC Scopus subject areas

  • Electrochemistry
  • Electrical and Electronic Engineering
  • Materials Science(all)
  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Hysteresis effects by source/drain interdigitated-finger geometry in 6,13-Bis(triisopropylsilylethynyl)pentacene thin-film transistors. / Kwon, Jae Hong; Shin, Sang Il; Choi, Jinnil; Chung, Myung Ho; Ryu, Hyeyeon; Zschieschang, Ute; Klauk, Hagen; Anthony, John E.; Ju, Byeong Kwon.

In: Electrochemical and Solid-State Letters, Vol. 12, No. 8, 29.06.2009.

Research output: Contribution to journalArticle

Kwon, Jae Hong ; Shin, Sang Il ; Choi, Jinnil ; Chung, Myung Ho ; Ryu, Hyeyeon ; Zschieschang, Ute ; Klauk, Hagen ; Anthony, John E. ; Ju, Byeong Kwon. / Hysteresis effects by source/drain interdigitated-finger geometry in 6,13-Bis(triisopropylsilylethynyl)pentacene thin-film transistors. In: Electrochemical and Solid-State Letters. 2009 ; Vol. 12, No. 8.
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AU - Chung, Myung Ho

AU - Ryu, Hyeyeon

AU - Zschieschang, Ute

AU - Klauk, Hagen

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