Realization of ambipolar pentacene thin film transistors through dual interfacial engineering

Chuan Yi Yang, Shiau Shin Cheng, Chun Wei Ou, You Che Chuang, Meng Chyi Wu, Dhananjay, Chih Wei Chu

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Ambipolar conduction of a pentacene-based field-effect transistor can be attributed to dual interface engineering, which occurs at the dielectricsemiconductor interface and electrodesemiconductor interface. While the former was realized by utilizing a hydroxyl-free gate dielectric, the latter was made feasible by the use of appropriate metal source and drain electrodes. The field-effect hole and electron mobilities of 0.026 and 0.0023 cm2 V s, respectively, were extracted from the transfer characteristics of pentacene organic field-effect transistors utilizing polymethyl methacrylate as the trap-reduction interfacial modified layer and Al as the source and drain (SD) electrodes. We demonstrated a complementarylike inverter by using two identical ambipolar transistors and it can be operated both in the first and third quadrants with a high output voltage gain of around 10.

Original languageEnglish
Article number094519
JournalJournal of Applied Physics
Volume103
Issue number9
DOIs
Publication statusPublished - 26-05-2008

Fingerprint

transistors
engineering
field effect transistors
thin films
electrodes
quadrants
hole mobility
electron mobility
polymethyl methacrylate
traps
conduction
output
electric potential
metals

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Yang, Chuan Yi ; Cheng, Shiau Shin ; Ou, Chun Wei ; Chuang, You Che ; Wu, Meng Chyi ; Dhananjay ; Chu, Chih Wei. / Realization of ambipolar pentacene thin film transistors through dual interfacial engineering. In: Journal of Applied Physics. 2008 ; Vol. 103, No. 9.
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Realization of ambipolar pentacene thin film transistors through dual interfacial engineering. / Yang, Chuan Yi; Cheng, Shiau Shin; Ou, Chun Wei; Chuang, You Che; Wu, Meng Chyi; Dhananjay; Chu, Chih Wei.

In: Journal of Applied Physics, Vol. 103, No. 9, 094519, 26.05.2008.

Research output: Contribution to journalArticle

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AU - Yang, Chuan Yi

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