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Highly Efficient Solid-State Intra-Track Polymerization of Ethynyl-Substituted Spirobifluorenes Triggered by Swift Heavy Ion Irradiations
https://repo.qst.go.jp/records/80195
https://repo.qst.go.jp/records/8019516fdd531-bd27-4ddc-a317-74d96895adcb
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-06-18 | |||||
タイトル | ||||||
タイトル | Highly Efficient Solid-State Intra-Track Polymerization of Ethynyl-Substituted Spirobifluorenes Triggered by Swift Heavy Ion Irradiations | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Sakaguchi, Shugo
× Sakaguchi, Shugo× Sakurai, Tsuneaki× Idesaki, Akira× Koshikawa, Hiroshi× Sugimoto, Masaki× Seki, Shu× Idesaki, Akira× Koshikawa, Hiroshi× Sugimoto, Masaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Acetylenes are the first monomer to polymerize by the energy deposited by ionizing radiations. Herein we report an extremely efficient solid state polymerization of ethynyl-substituted 9,9'-spirobi[9H-fluorene]s (SBFs) via a unique nano-fabrication technique referred to as Single Particle Trigged Linear Polymerization (STLiP) initiated by high energy charged particles. The resulted nanowires of polymerized/crosslinked SBFs show a gradual transformation from flexible to rigid rod-like with an increase in the reaction efficiency mediated by the ethynyl substitution. The overall efficiency of initiation/propagation/crosslinking reactions is remarkably high even in comparison with the primary yield of ionization events in the radiation chemical processes, marking up to G > 80 (100 eV)^-1, which is suggestive of efficient chain reactions in the propagation steps. The present results demonstrate efficient solid-state polymerization reactions, which are neither topochemical polymerization reactions nor acid/base catalyzed reactions, expand the versatility of STLiP technique to fabricate 1D nanomaterials based on a variety of organic compounds. | |||||
書誌情報 |
Journal of Photopolymer Science and Technology 巻 33, 号 1, p. 91-96, 発行日 2020-07 |
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出版者 | ||||||
出版者 | The Society of Photopolymer Science and Technology(SPST) | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0914-9244 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2494/photopolymer.33.91 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/article/photopolymer/33/1/33_91/_article/-char/ja/ |