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Circular Dichroism of Bipolarons in a Chiroptically Active Conjugated Polymer
http://hdl.handle.net/2241/00143151
http://hdl.handle.net/2241/0014315166db79b6-16ad-4e4f-bf83-16e574f74728
名前 / ファイル | ライセンス | アクション |
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JMSB_55-5 (1.0 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-07-11 | |||||
タイトル | ||||||
タイトル | Circular Dichroism of Bipolarons in a Chiroptically Active Conjugated Polymer | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Goto, Hiromasa
× Goto, Hiromasa |
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著者別名 |
後藤, 博正
× 後藤, 博正 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Bipolarons (dications), as charge carriers in chiroptically active poly(3,4-ethylenedioxythiophene) (PEDOT*, * = chiral, atropisomer) prepared in cholesteric liquid crystals, were examined by circular dichroism (CD) spectroscopy. PEDOT* showed chiroptical activity in the near-IR (NIR) range indicating the existence of bipolarons with helical structure. The main-chain helicity and fingerprint texture derived from helical aggregation of the polymer at the macroscopic level are produced by the transcription from liquid crystals during the polymerization process. This is referred to as a matrix imprinting (MAT-I) process. The chiral-bipolaron (chiral-dications) state was confirmed through NIR-CD. The chiroptical activity of the bipolarons comes from the main-chain helical structure at the molecular level. A modulation of main-chain helicity due to generation of the polarons and bipolarons results in the electrochemically driven change in chiroptical activity (electro-chiroptical effect). We refer to chiroptically active charge carriers in the PEDOT* as chiralions. | |||||
書誌情報 |
Journal of macromolecular science. Pt. B, Physics 巻 55, 号 5, p. 471-482, 発行日 2016 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0022-2348 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00701339 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1080/00222348.2016.1168560 | |||||
権利 | ||||||
権利情報 | This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of macromolecular science. Pt. B, Physics on 22/03/2016, available online: http://www.tandfonline.com/10.1080/00222348.2016.1168560. | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Taylor & Francis Group |