Design and elaboration of organic molecules for high field-effect-mobility semiconductors

Kazuo Takimiya, Masahiro Nakano, Hiroyoshi Sugino, Itaru Osaka

研究成果: ジャーナルへの寄稿総説査読

67 被引用数 (Scopus)

抄録

In this article, we focus on several high-mobility organic semiconductors so far reported, such as acenes, heteroacenes, and rylene diimides, in order to extract molecular and supramolecular factors, including molecular size, manner of π-extension, heteroatom, molecular shape, and substituent, which would enhance our understanding of the design strategy for the synthesis of molecules for high field-effect-mobility semiconductors. After performing a detailed inspection of these organic semiconductors, we arrive at the conclusion that the construction of a two-dimensional (2D) electronic structure with large orbital overlaps in the solid state is the key. This can be realized by tuning these molecular factors; for example, the use of linearly π-extended systems with fused aromatic ring structures, heteroatom incorporation, and the use of suitable substituents for 2D packing, such as herringbone or 2D bricklayer packing.

本文言語英語
ページ(範囲)68-78
ページ数11
ジャーナルSynthetic Metals
217
DOI
出版ステータス出版済み - 2016 7月

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