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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Ambipolar Tetraphenylpyrene (TPPy) Single-Crystal Field-Effect Transistor with Symmetric and Asymmetric Electrodes
verfasst von : S. Z. Bisri, T. Takahashi, T. Takenobu, M. Yahiro, C. Adachi, Y. Iwasa
Erschienen in: Frontiers in Materials Research
Verlag: Springer Berlin Heidelberg
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An ambipolar field-effect transistor (FET) based on a 1,3,6, 8-tetraphenylpyrene (TPPy) single-crystal, a high photoluminescent material, has been successfully fabricated using symmetric and asymmetric electrodes. Several kinds of metal electrodes have been employed to investigate the charge injection characteristics in the single-crystal FET. Hole and electron mobilities of 0.34 and 7.7 × 10
−2
cm
2
V
−1
s
−1
were achieved by using Au and Ca electrodes, respectively. The ambipolar characteristic of this device gives a prospect for further development in light-emitting FET operation.