Structural transformation of novel organosilicates and their highly selective adsorptions of toxic ions

• Project/Area Number: 19550191
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Inorganic industrial materials
• Research Institution: Yokohama National University
• Principal Investigator: YOSHITAKE Hideaki Yokohama National University, 大学院・工学研究院, 准教授 (20230716)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
• Keywords: ハイブリッド材料 / 表面・界面 / 界面活性剤 / シリケート / 吸着 / イオン認識

Research Abstract

原子3層の厚さを持ったシリカゲルのシートの全シリコン原子にアミノアルキル基が結合し、上下に「生えている」構造を持つポリシロクサンナノシートを合成し、さまざまな凝集構造に変換した。ポリシロクサンナノシートは非常に高密度なアミノ基をもつ「固い」高分子であり、環境毒性イオンなどに対し高い吸着能を有する。また2次元的に高密度なイオンの吸着が起きるため、近接イオン間相互作用の効果についても検討した。

Research Products

• [Journal Article] Raman spectroscopic study of the framework structure of amorphous mesoporous titania (2009)
  • Author(s): Hideaki Yoshitake and Daiki Abe
  • Journal Title: Microporous and Mesoporous Materials 119(1-3) Pages: 267-275
  • Peer Reviewed
• [Journal Article] Photo-oxidation over mesoporous V-TiO_2 catalyst under visible light monitored by vanadium K_<bβ5, 2>-selecting XANES spectroscopy (2008)
  • Author(s): Yasuo Izumi, Kazushi Konishi, Tomohisa Miyajima and Hideaki Yoshitake
  • Journal Title: Materials Letters 62(6-7) Pages: 861-864
  • Peer Reviewed
• [Journal Article] Oxidation State of Ce and Ethanol-Oxygen Reaction of Mesoporous Titania-Supported Cerium Oxide (2008)
  • Author(s): Yukari Eguchi, Daiki Abe and Hideaki Yoshitake
  • Journal Title: Microporous and Mesoporous Materials 116(1-3) Pages: 44-50
  • Peer Reviewed
• [Journal Article] Specific Oxidative Dehydrogenation Reaction Mechanism over Vanadium(IV/III) Sites in TiO_2 with Uniform Mesopores under Visible Light (2008)
  • Author(s): Yasuo Izumi, Kazushi Konishi and Hideaki Yoshitake
  • Journal Title: Bulletin of the Chemical Society of Japan 81(10) Pages: 1241-1249
  • NAID: 10024330802
  • Peer Reviewed
• [Journal Article] Vapour phase functionalization without degradation of the framework structure of periodic ordered mesoporous ethylenesilica (2008)
  • Author(s): Ken-ichiro Nojima and Hideaki Yoshitake
  • Journal Title: Studies of Surface Science and Catalysis 174 Pages: 393-396
  • Peer Reviewed
• [Journal Article] Vapour phase functionalization without degradation of the framework structure of periodic ordered mesoporous ethylenesilica (2008)
  • Author(s): Ken-ichiro Nojima Hideaki Yoshitake
  • Journal Title: Studies of Surface Science and Catalysis 174 Pages: 393-396
  • Peer Reviewed
• [Journal Article] Estimation of spacing between 3-bromopropyl functions grafted on mesoporous silica surfaces by a substitution reaction using diamine probe molecules (2007)
  • Author(s): Tomohisa Miyajima, Sebastien Abry, Wenjuan Zhou, Belen Albela, Laurent Bonneviot, Yasunori Oumi, Tsuneji Sano and Hideaki Yoshitake
  • Journal Title: Journal of Materials Chemistry 17(37) Pages: 3901-3909
  • Peer Reviewed
• [Journal Article] Photo-oxidation of Ethanol on Mesoporous Vanadium-Titanium Oxide Catalysts and the Relation to Vanadium(IV) and (V) Sites (2007)
  • Author(s): Dilshad Masih, Hideaki Yoshitake and Yasuo Izumi
  • Journal Title: Applied Catalysis A : General 325(2) Pages: 276-282
  • Peer Reviewed
• [Journal Article] Polymerisation of aminopropyltrialkoxysilane in the presence of carboxylate : a new layered organosilica mesocomposite built up using intermolecular interactions with LB film-type self-assembly (2007)
  • Author(s): Takayuki Chujo, Yu Gonda, Yasunori Oumi, Tsuneji Sano and Hideaki Yoshitake
  • Journal Title: Journal of Materials Chemistry 17(14) Pages: 1372-1380
  • Peer Reviewed
• [Journal Article] X-ray Absorption Fine Structure Combined with X-ray Fluorescence Spectroscopy. Monitoring of Vanadium Sites in Mesoporous Titania, Excited under Visible Light by Selective Detection of Vanadium Kβ 5,2 Fluorescence (2007)
  • Author(s): Yasuo Izumi, Kazushi Konishi, Diaa Mosbah Obaid, Tomohisa Miyajima, Hideaki Yoshitake
  • Journal Title: Analytical Chemistry 79(18) Pages: 6933-6940
  • Peer Reviewed
• [Journal Article] Synthesis of Layered Organosilica Binding with Self-assembled LB film (2007)
  • Author(s): Takayuki Chujo, Yu Gonda, Yasunori Oumi, Tsuneji Sano, Hideaki Yoshitake
  • Journal Title: Studies of Surface Science and Catalysis 165 Pages: 433-436
  • Peer Reviewed
• [Journal Article] Estimation of spacing between 3-bromopropyl functions grafted on mesoporous silicasurfaces by a substitution reaction using diamine probe molecules. (2007)
  • Author(s): Hideaki Yoshitake
  • Journal Title: Journal of Materials Chemistry 17 Pages: 3901-3909
  • Peer Reviewed
• [Journal Article] Synthesis of Layered Organosilica Binding with Self-assembled LB film (2007)
  • Author(s): Hideaki Yoshitake
  • Journal Title: Studies of Surface Science and Catalysis 165 Pages: 433-436
  • Peer Reviewed
• [Presentation] 長鎖アルカン酸と長鎖アルコールの混合ミセルを用いた層状アミノシリケートの合成と応用 (2008)
  • Author(s): 中嶋ひとみ, 吉武英昭
  • Organizer: 第24回ゼオライト研究発表会
  • Place of Presentation: タワーホール船堀(東京都江戸川区)
  • Year and Date: 2008-11-27
• [Presentation] 3-アミノプロピルシリケート層状固体から誘導される種々のメソ構造体とイオン吸蔵特性 (2008)
  • Author(s): 権田 優, 吉武英昭
  • Organizer: 第二回日本化学会関東支部大会
  • Place of Presentation: 群馬大学工学部
  • Year and Date: 2008-09-19
• [Presentation] Functionalisations of periodic mesoporous ethylenesilica by gas phase reactions to preserve the framework structure. (2008)
  • Author(s): Ken-ichiro Nojima Hideaki Yoshitake
  • Organizer: 4th International FEZA Conference 2008
  • Place of Presentation: College de France(Paris)
  • Year and Date: 2008-09-04
• [Presentation] 長鎖アルカン酸と長鎖アルコールの混合ミセルを用いた層状アミノシリケートの合成と応用 (2008)
  • Author(s): 中嶋ひとみ、吉武英昭
  • Organizer: 第24回ゼオライト研究発表会
  • Place of Presentation: 東京
• [Presentation] 3-アミノプロピルシリケート層状固体から誘導される種々のメソ構造体とイオン吸蔵特性 (2008)
  • Author(s): 権田 優、吉武英昭
  • Organizer: 第二回日本化学会関東支部大会
  • Place of Presentation: 群馬
• [Presentation] メソポーラスチタニアの熱による壁構造変化と結晶化 : 添加元素の影響 (2008)
  • Author(s): 阿部大樹、吉武英昭
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 東京(2L4-43)
• [Presentation] 種々の長鎖カルボン酸-アミノアルキルシラン相互作用を利用したメソ構造規則性層状シリケートの合成と構造 (2008)
  • Author(s): 中嶋ひとみ、吉武英昭、近江靖則、佐野庸治
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 東京(3L5-01)
• [Presentation] 3-アミノプロピルシリケート積層固体から誘導される薄層状有機-無機複合物質の構造とオキシアニオン吸着能 (2008)
  • Author(s): 権田優、吉武英昭、近江靖則、佐野庸治
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 東京(3L5-02)
• [Presentation] 可視光励起エタノール脱水バナジウム触媒各反応条件でのその場分光観測と触媒作用機構 (2008)
  • Author(s): 小西和司、泉康雄、吉武英昭
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 東京
• [Presentation] ナノポーラス物質の高度修飾による機能性物質の開発 (2008)
  • Author(s): 吉武英昭
  • Organizer: 横浜国立大学環境情報公開シンポジウム分野横断的実践エコマテリアル開発プロジェクト分野横断的実践エコマテリアル開発の現状と課題-環境調和と人類の活動のはしかけへの挑戦-
  • Place of Presentation: 横浜
• [Presentation] Structural Transformation of Metal-incorporated Mesoporous Titania Prepared with Primary Amine Template (2008)
  • Author(s): Hideaki Yoshitake and Daiki Abe
  • Organizer: International Symposium on Creation and Control of Advanced Selective Catalysis (a Pre-Symposium of 14th International Congress on Catalysis (ICC 14)
  • Place of Presentation: Kyoto
• [Presentation] 種々の長鎖カルボン酸一アミノアルキルシラン相互作用を利用したメソ構造規則性層状シリケートの合成と構造 (2008)
  • Author(s): Hideaki Yoshitake, 他
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 東京
• [Presentation] Structural change of mesoporous titania by heat-treatment and effect of transition metal additives (2007)
  • Author(s): Daiki Abe and Hideaki Yoshitake
  • Organizer: A3 Seminar on Mesoporous Materials"Synthesis, Structural Characterization, and Applications of Mesoporous Materials,"Organized by the A3 Foresight Program, JSPS, Japan
  • Place of Presentation: Waseda University
  • Year and Date: 2007-12-18
• [Presentation] メソポーラスチタニア担持セリウムの構造と触媒作用 (2007)
  • Author(s): 吉武英昭、江口由香里
  • Organizer: 第23回ゼオライト研究発表会
  • Place of Presentation: 秋田(B3)
• [Presentation] メソポーラスV-TiO2光触媒の開発とその場選択分光観測 (2007)
  • Author(s): 泉康雄、小西和司、吉武英昭
  • Organizer: 第95回触媒討論会B
  • Place of Presentation: 札幌(1A05)
• [Presentation] メソ細孔性シリカ表面上に導入された活性官能基の空間分布とその制御 (2007)
  • Author(s): 吉武英昭、宮島知久、近江靖則、佐野庸司
  • Organizer: 第95回触媒討論会B
  • Place of Presentation: 札幌(1A05)
• [Presentation] Adsorption of Poisonous Ions on an Extremely Thin Layer of Aminopropylsilicate (2007)
  • Author(s): Hideaki Yoshitake, Yu Gonda, Yasunori Oumi and Tsuneji Sano
  • Organizer: XIVth International Sol-Gel Conference
  • Place of Presentation: Montpellier, France
• [Presentation] Valence shifts and crystalline structures of mesoporous titania-supported transition metal catalysts (2007)
  • Author(s): Yukari Eguchi, Daiki Abe and Hideaki Yoshitake
  • Organizer: 11^<th> Korea-Japan Symposium on Catalysis
  • Place of Presentation: Seoul, Korea
• [Presentation] Structural transformation and ion adsorptions of ultrathin film of 3-aminopropylsilicate (2007)
  • Author(s): Yu Gonda and Hideaki Yoshitake
  • Organizer: 11^<th> Korea-Japan Symposium on Catalysis
  • Place of Presentation: Seoul, Korea
• [Presentation] Structural transformation and ion adsorptions of ultrathin film of 3-aminopropylsilicate (2007)
  • Author(s): Hideaki Yoshitake
  • Organizer: 11th Korea-Japan Symposium on Catalysis
  • Place of Presentation: Seoul, Korea
• [Presentation] Adsorption of Poisonous Ions on an extremely Thin Layer of Aminopropylsiliicate (2007)
  • Author(s): Hideaki Yoshitake
  • Organizer: XIVth International Sol-Gel Conference
  • Place of Presentation: Montpellier, France
• [Presentation] メソ細孔性シリカ表面上に導入された活性官能基の空間分布とその制御 (2007)
  • Author(s): Hideaki Yoshitake
  • Organizer: 第95回触媒討論会
  • Place of Presentation: 札幌