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  1. 090 大学院理工学系研究科, 大学院総合工学系研究科
  2. 0901 学術論文

Fabrication of Helical Mesoporous Silica Nanostructures Using Gelators and the Mixtures with CTAC

http://hdl.handle.net/10091/17252
http://hdl.handle.net/10091/17252
008f425a-61fd-4bde-854a-db1e2f5910d9
名前 / ファイル ライセンス アクション
Fabrication_Helical_Mesoporous_Silica_Nanostructures.pdf Fabrication_Helical_Mesoporous_Silica_Nanostructures.pdf (705.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-12-02
タイトル
言語 en
タイトル Fabrication of Helical Mesoporous Silica Nanostructures Using Gelators and the Mixtures with CTAC
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 Hoshizawa, Hiroko

× Hoshizawa, Hiroko

WEKO 35540

Hoshizawa, Hiroko

Search repository
Suzuki, Masahiro

× Suzuki, Masahiro

WEKO 35541

Suzuki, Masahiro

Search repository
Shirai, Hirofusa

× Shirai, Hirofusa

WEKO 35542

Shirai, Hirofusa

Search repository
Hanabusa, Kenji

× Hanabusa, Kenji

WEKO 35543

Hanabusa, Kenji

Search repository
Yang, Yonggang

× Yang, Yonggang

WEKO 35544

Yang, Yonggang

Search repository
信州大学研究者総覧へのリンク
氏名 Suzuki, Masahiro
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.WVnmjFkV.html
信州大学研究者総覧へのリンク
氏名 Shirai, Hirofusa
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.jUcVjCkV.html
信州大学研究者総覧へのリンク
氏名 Hanabusa, Kenji
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.WCyNjekV.html
出版者
出版者 SOC FIBER SCI TECHNOL
引用
内容記述タイプ Other
内容記述 Sen'i Gakkaishi. 65(2):80-87 (2009)
書誌情報 Sen'i Gakkaishi

巻 65, 号 2, p. 80-87, 発行日 2009-02
抄録
内容記述タイプ Abstract
内容記述 Two chiral hydrogelators, L-18ValPyBr and D-18ValPyBr, composed of L- or D-valine, were synthesized. They self-assembled into thin membranes under high concentration and helical nanofibers under low concentration in pure water. Sol-gel transcription reactions were carried out under both acidic and basic conditions using the self-assemblies of these two gelators and the mixtures with CTAC as templates and TEOS as precursor. Under acidic conditions, minimum gel concentrations of L-18ValPyBr and D-18ValPyBr are very low. After sol-gel polymerization, a kind of cotton-like silica constructed by twisted mesoporous silica ribbons was obtained. These ribbons were 60 nm in width and 10 nm in thickness. Under basic conditions, both mesoporous twisted ribbons and nanotubes constructed by tightly coiled ribbons were obtained. Generally, left-handed helical structures were obtained by using L-18ValPyBr, while right-handed helical structures were obtained by using D-18ValPyBr. The morphologies were sensitive to the concentration of NH(3). When the concentration of NH(3) was 2.5 wt%, twisted ribbons were obtained. When the concentration of NH(3) was higher than 5.0 wt%, nanotubes constructed by tightly coiled ribbons were obtained. Mesoporous silica structures in nano- and micro-size were prepared by using the mixtures of L-18ValPyBr and CTAC under both acidic and basic conditions. Under acidic conditions, helical mesoporous fibers were obtained, and their diameter was increased with increasing the ratio of CTAC to gelator. The nanofibers obtained under basic conditions were shorter than those obtained under acidic conditions. The mesoporous channels were parallel each other and running along the axis of nanofibers.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0037-9875
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00131651
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.2115/fiber.65.80
関連名称 10.2115/fiber.65.80
権利
権利情報 Copyright© 2009 The Society of Fiber Science and Technology
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
WoS
表示名 Web of Science
URL http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000264863600012
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