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Dual-gate field-effect transistors of octathio[8]circulene thin-films with ionic liquid and SiO2 gate dielectrics

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3 Author(s)
Fujimoto, Takuya ; Department of Chemistry, Research Center for Materials Science, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan ; Matsushita, Michio M. ; Awaga, Kunio

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Dual-gate organic thin-film transistors (OTFTs) of octathio[8]circulene (1) with ionic liquid and SiO2 gate dielectrics lead to good transistor performance with a high on/off ratio (∼105), a low threshold voltage (∼-5 V), a low subthreshold slope (∼150 mV/decade), and low power operation, thus surpassing the performance of the single-gate OTFTs of 1. This operation is a promising method for improving the carrier concentrations in OTFTs and for realizing high-performance OTFTs.

Published in:

Applied Physics Letters  (Volume:97 ,  Issue: 12 )