Asymmetric diarylethene as a dual-functional device combining switch and diode

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

抄録

Diarylethenes are photosensitive φ-conjugated molecules, being of great promise in potential applications to various molecular devices. Although the switching properties of diarylethenes have been widely investigated experimentally and theoretically, little is known about their rectifying diode-like behavior. In this study, electron-transport properties of asymmetric diarylethenes incorporating two different heterocyclic five-membered rings with opposite electronic demands are investigated with the nonequilibrium Green function combined with density functional theory. The aim of this study is to derive the effect of the heteroatomic defects on not only switching but also rectifying characteristics of the asymmetric diarylethenes. Obtained results show that a silicon atom involved in the diarylethenes plays an important role in the current rectifying as well as switching performance. It is found that maximum rectification ratios of the asymmetric diarylethenes increase linearly with an increase in electronegativity difference between the asymmetrically arranged heteroatoms. The silicon- and oxygen-containing asymmetric diarylethene is suggested to be a good potential candidate for a novel molecular electronic device combining a switch and a diode.

元の言語英語
ページ(範囲)947-954
ページ数8
ジャーナルBulletin of the Chemical Society of Japan
86
発行部数8
DOI
出版物ステータス出版済み - 8 29 2013

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Diodes
Switches
Silicon
Electron transport properties
Molecular electronics
Electronegativity
Green's function
Density functional theory
Oxygen
Atoms
Defects
Molecules

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

これを引用

Asymmetric diarylethene as a dual-functional device combining switch and diode. / Tsuji, Yuta; Koga, Junya; Yoshizawa, Kazunari.

:: Bulletin of the Chemical Society of Japan, 巻 86, 番号 8, 29.08.2013, p. 947-954.

研究成果: ジャーナルへの寄稿記事

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abstract = "Diarylethenes are photosensitive φ-conjugated molecules, being of great promise in potential applications to various molecular devices. Although the switching properties of diarylethenes have been widely investigated experimentally and theoretically, little is known about their rectifying diode-like behavior. In this study, electron-transport properties of asymmetric diarylethenes incorporating two different heterocyclic five-membered rings with opposite electronic demands are investigated with the nonequilibrium Green function combined with density functional theory. The aim of this study is to derive the effect of the heteroatomic defects on not only switching but also rectifying characteristics of the asymmetric diarylethenes. Obtained results show that a silicon atom involved in the diarylethenes plays an important role in the current rectifying as well as switching performance. It is found that maximum rectification ratios of the asymmetric diarylethenes increase linearly with an increase in electronegativity difference between the asymmetrically arranged heteroatoms. The silicon- and oxygen-containing asymmetric diarylethene is suggested to be a good potential candidate for a novel molecular electronic device combining a switch and a diode.",
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