Effect of metal electrodes on rubrene single-crystal transistors

Taishi Takenobu, Tetsuo Takahashi, Jun Takeya, Yoshihiro Iwasa

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The authors herein have investigated the effect of the metal work function on the performance of rubrene single-crystal transistors using gold and calcium metal electrodes. The current-voltage characteristic is controlled by the metal work function, which offers the possibility of controlling the Schottky barrier height by the choice of the metal. In the process of the study of metal-rubrene contacts, the authors have realized an ambipolar transistor and a Schottky diode in an identical single-crystal device with asymmetric electrodes. These data provide direct evidence of the weak Fermi level pinning and formation of depletion layer on metal-rubrene contacts.

Original languageEnglish
Article number013507
JournalApplied Physics Letters
Volume90
Issue number1
DOIs
Publication statusPublished - 2007
Externally publishedYes

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transistors
electrodes
single crystals
metals
Schottky diodes
calcium
depletion
gold
electric potential

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Takenobu, T., Takahashi, T., Takeya, J., & Iwasa, Y. (2007). Effect of metal electrodes on rubrene single-crystal transistors. Applied Physics Letters, 90(1), [013507]. https://doi.org/10.1063/1.2408642

Effect of metal electrodes on rubrene single-crystal transistors. / Takenobu, Taishi; Takahashi, Tetsuo; Takeya, Jun; Iwasa, Yoshihiro.

In: Applied Physics Letters, Vol. 90, No. 1, 013507, 2007.

Research output: Contribution to journalArticle

Takenobu, T, Takahashi, T, Takeya, J & Iwasa, Y 2007, 'Effect of metal electrodes on rubrene single-crystal transistors', Applied Physics Letters, vol. 90, no. 1, 013507. https://doi.org/10.1063/1.2408642
Takenobu, Taishi ; Takahashi, Tetsuo ; Takeya, Jun ; Iwasa, Yoshihiro. / Effect of metal electrodes on rubrene single-crystal transistors. In: Applied Physics Letters. 2007 ; Vol. 90, No. 1.
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