Synthesis of the extended phenacene molecules, [10]phenacene and [11]phenacene, and their performance in a field-effect transistor

Hideki Okamoto, Shino Hamao, Ritsuko Eguchi, Hidenori Goto, Yasuhiro Takabayashi, Paul Yu Hsiang Yen, Luo Uei Liang, Chia Wei Chou, Germar Hoffmann, Shin Gohda, Hisako Sugino, Yen Fa Liao, Hirofumi Ishii, Yoshihiro Kubozono

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Abstract

The [10]phenacene and [11]phenacene molecules have been synthesized using a simple repetition of Wittig reactions followed by photocyclization. Sufficient amounts of [10]phenacene and [11]phenacene were obtained, and thin-film FETs using these molecules have been fabricated with SiO 2 and ionic liquid gate dielectrics. These FETs operated in p-channel. The averaged measurements of field-effect mobility, <μ>, were 3.1(7) × 10 −2 and 1.11(4) × 10 −1 cm 2 V −1 s −1 , respectively, for [10]phenacene and [11]phenacene thin-film FETs with SiO 2 gate dielectrics. Furthermore, [10]phenacene and [11]phenacene thin-film electric-double-layer (EDL) FETs with ionic liquid showed low-voltage p-channel FET properties, with <μ> values of 3(1) and 1(1) cm 2 V −1 s −1 , respectively. This study also discusses the future utility of the extremely extended π-network molecules [10]phenacene and [11]phenacene as the active layer of FET devices, based on the experimental results obtained.

Original languageEnglish
Article number4009
Pages (from-to)4009
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - Mar 8 2019

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Ionic Liquids
Equipment and Supplies

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Synthesis of the extended phenacene molecules, [10]phenacene and [11]phenacene, and their performance in a field-effect transistor. / Okamoto, Hideki; Hamao, Shino; Eguchi, Ritsuko; Goto, Hidenori; Takabayashi, Yasuhiro; Yen, Paul Yu Hsiang; Liang, Luo Uei; Chou, Chia Wei; Hoffmann, Germar; Gohda, Shin; Sugino, Hisako; Liao, Yen Fa; Ishii, Hirofumi; Kubozono, Yoshihiro.

In: Scientific reports, Vol. 9, No. 1, 4009, 08.03.2019, p. 4009.

Research output: Contribution to journalArticle

Okamoto, Hideki ; Hamao, Shino ; Eguchi, Ritsuko ; Goto, Hidenori ; Takabayashi, Yasuhiro ; Yen, Paul Yu Hsiang ; Liang, Luo Uei ; Chou, Chia Wei ; Hoffmann, Germar ; Gohda, Shin ; Sugino, Hisako ; Liao, Yen Fa ; Ishii, Hirofumi ; Kubozono, Yoshihiro. / Synthesis of the extended phenacene molecules, [10]phenacene and [11]phenacene, and their performance in a field-effect transistor. In: Scientific reports. 2019 ; Vol. 9, No. 1. pp. 4009.
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abstract = "The [10]phenacene and [11]phenacene molecules have been synthesized using a simple repetition of Wittig reactions followed by photocyclization. Sufficient amounts of [10]phenacene and [11]phenacene were obtained, and thin-film FETs using these molecules have been fabricated with SiO 2 and ionic liquid gate dielectrics. These FETs operated in p-channel. The averaged measurements of field-effect mobility, <μ>, were 3.1(7) × 10 −2 and 1.11(4) × 10 −1 cm 2 V −1 s −1 , respectively, for [10]phenacene and [11]phenacene thin-film FETs with SiO 2 gate dielectrics. Furthermore, [10]phenacene and [11]phenacene thin-film electric-double-layer (EDL) FETs with ionic liquid showed low-voltage p-channel FET properties, with <μ> values of 3(1) and 1(1) cm 2 V −1 s −1 , respectively. This study also discusses the future utility of the extremely extended π-network molecules [10]phenacene and [11]phenacene as the active layer of FET devices, based on the experimental results obtained.",
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AU - Okamoto, Hideki

AU - Hamao, Shino

AU - Eguchi, Ritsuko

AU - Goto, Hidenori

AU - Takabayashi, Yasuhiro

AU - Yen, Paul Yu Hsiang

AU - Liang, Luo Uei

AU - Chou, Chia Wei

AU - Hoffmann, Germar

AU - Gohda, Shin

AU - Sugino, Hisako

AU - Liao, Yen Fa

AU - Ishii, Hirofumi

AU - Kubozono, Yoshihiro

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