NDLI: An Extended Phenacene-type Molecule, [8]Phenacene: Synthesis and Transistor Application

Content Provider	PubMed Central
Author	Okamoto, Hideki Eguchi, Ritsuko Hamao, Shino Goto, Hidenori Gotoh, Kazuma Sakai, Yusuke Izumi, Masanari Takaguchi, Yutaka Gohda, Shin Yoshihiro, Kubozono
Copyright Year	2014
Abstract	A new phenacene-type molecule, [8]phenacene, which is an extended zigzag chain of coplanar fused benzene rings, has been synthesised for use in an organic field-effect transistor (FET). The molecule consists of a phenacene core of eight benzene rings, which has a lengthy π-conjugated system. The structure was verified by elemental analysis, solid-state NMR, X-ray diffraction (XRD) pattern, absorption spectrum and photoelectron yield spectroscopy (PYS). This type of molecule is quite interesting, not only as pure chemistry but also for its potential electronics applications. Here we report the physical properties of [8]phenacene and its FET application. An [8]phenacene thin-film FET fabricated with an SiO2 gate dielectric showed clear p-channel characteristics. The highest μ achieved in an [8]phenacene thin-film FET with an SiO2 gate dielectric is 1.74 cm2 V−1 s−1, demonstrating excellent FET characteristics; the average μ was evaluated as 1.2(3) cm2 V−1 s−1. The μ value in the [8]phenacene electric-double-layer FET reached 16.4 cm2 V−1 s−1, which is the highest reported in EDL FETs based on phenacene-type molecules; the average μ was evaluated as 8(5) cm2 V−1 s−1. The μ values recorded in this study show that [8]phenacene is a promising molecule for transistor applications.
Related Links	http://dx.doi.org/10.1038/srep05330
Starting Page	5330
File Format	PDF
ISSN	20452322
e-ISSN	20452322
Journal	Scientific Reports
Volume Number	4
Language	English
Publisher	Nature Publishing Group
Publisher Date	2014-06-01
Access Restriction	Open
Rights Holder	Nature Publishing Group
Subject Keyword	Science and technology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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