高秩序スメクチック液晶相における電荷輸送特性

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2020/04/01

タイトル(英語): Carrier Transport Properties in Highly Ordered Smectic Liquid Crystal Phase

著者名: 新田　武父（東京工業大学 科学技術創成研究院 未来産業技術研究所），臼井　孝之（東京工業大学 科学技術創成研究院 未来産業技術研究所），飯野　裕明（東京工業大学 科学技術創成研究院 未来産業技術研究所），大野　玲（東京工業大学 科学技術創成研究院 未来産業技術研究所），半那　純一（東京工業大学 科学技術創成研究院 未来産業技術研究所）

著者名(英語): Takenori Nitta (Laboratory for Future Interdisciplinary Research in Science and Technology (FIRST), Institute of Innovative Research, Tokyo Institute of Technology), Takayuki Usui (Laboratory for Future Interdisciplinary Research in Science and Technology (FIRST), Institute of Innovative Research, Tokyo Institute of Technology), Hiroaki Iino (Laboratory for Future Interdisciplinary Research in Science and Technology (FIRST), Institute of Innovative Research, Tokyo Institute of Technology), Akira Ohno (Laboratory for Future Interdisciplinary Research in Science and Technology (FIRST), Institute of Innovative Research, Tokyo Institute of Technology), Jun-ichi Hanna (Laboratory for Future Interdisciplinary Research in Science and Technology (FIRST), Institute of Innovative Research, Tokyo Institute of Technology)

キーワード: 電荷輸送，有機半導体，高秩序スメクチック相，Gaussian Disorder Model，電荷移動度　　carrier transport，organic semiconductor，highly ordered smectic phase，Gaussian disorder model，wide temperature range，carrier mobility

要約(英語): We have designed and synthesized a new liquid crystalline phenylbenzothienobenzothiphene derivative, Ph-BTBT-4S-3, in order to investigate the carrier transport properties in highly ordered smectic liquid crystal phase at a wide temperature range lower than room temperature enough to analyze them. Ph-BTBT-4S-3 exhibits smectic E (SmE) phase, which is the one of highly ordered smectic liquid crystal phases, at the wide temperature range from 200℃ to under -130℃. Thanks to its wide temperature range of SmE phase, we could reveal the carrier transport properties in the low temperature range, which were well explained on the basis of Gaussian disorder model having a Gaussian width, s, of 87 meV, which was larger than those of typical non-polar liquid crystals of 40 to 60 meV and was attributed to a thioether group in the side chain.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.140 No.4 （2020） 特集：2019年基礎・材料・共通部門大会

本誌掲載ページ: 253-258 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/140/4/140_253/_article/-char/ja/