Emergence in Self-assembly to Produce Well-defined Structures from Many Components

2010 Fiscal Year Self-evaluation Report

• Project Area: Emergent Chemistry of Nano-scale Molecular System
• Project/Area Number: 20111007
• Research Category: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: The University of Tokyo
• Principal Investigator: FUJITA Makoto The University of Tokyo, 大学院・工学系研究科, 教授 (90209065)
• Project Period (FY): 2008 – 2012
• Keywords: 創発化学 / 自己組織化

Research Abstract

ウイルス殻構造の生成過程に見られるように、生物は数百の(場合には千を超える)成分を弱い分子間相互作用のみで集合させ、巨大でかつ安定な一義構造体を構築している。このような自己集合は、構成成分の構造や外部環境(pHなど)のわずかな変化に極めて敏感な創発性の高い現象である。人工系ではこれまで、たかだか20～30成分の自己集合が達成されているにすぎない。本研究では、金属イオン(M)と架橋配位子(L)の組み合わせを精査し、M_nL_<2n>組成(n:最大60)のアルキメデス準正多面体の創発的自己組織化を達成する。

Research Products

• [Journal Article] Self-Assembled M24L48 Polyhedra and Their Sharp Structural Switch upon Subtle Ligand Variation (2010)
  • Author(s): Q.-F.Sun, J.Iwasa, D.Ogawa, Y.Ishido, S.Sato, T.Ozeki, Y.Sei, K.Yamaguchi, M.Fujita
  • Journal Title: Science 328 Pages: 1144-1147
  • Peer Reviewed
• [Journal Article] Coronene Nanophase within Coordination Spheres : Increased Solubility of C60 (2010)
  • Author(s): K.Suzuki, K.Takao, S.Sato, M.Fujita
  • Journal Title: J.Am.Chem.Soc. 132 Pages: 2544-2545
  • Peer Reviewed
• [Journal Article] Template synthesis of precisely monodisperse silica nanoparticles within self-assembled organometallic spheres (2010)
  • Author(s): K.Suzuki, S.Sato, M.Fujita
  • Journal Title: Nature Chem. 2 Pages: 25-29
  • Peer Reviewed
• [Journal Article] Remarkable Stabilization of M12L24 Spherical Frameworks through the Cooperation of 48 Pd(II)-Pyridine Interactions (2009)
  • Author(s): S.Sato, Y.Ishido, M.Fujita
  • Journal Title: J.Am.Chem.Soc. 131 Pages: 6064-6065
  • Peer Reviewed
• [Presentation] Emergent Self-assembly of Molecular Spheres (2011)
  • Author(s): 藤田誠
  • Organizer: The 3^<rd> Japan-Korea Joint Symposium on Transition Metal Complexes
  • Place of Presentation: Okinawa
  • Year and Date: 2011-02-12
• [Presentation] 多成分自己組織化における分子レベル創発現象 (2011)
  • Author(s): 藤田誠
  • Organizer: 分子ナノシステムの創発化学第二回公開シンポジウム
  • Place of Presentation: 東京
  • Year and Date: 2011-02-04
• [Presentation] Self-assembled Coordination Materials (2010)
  • Author(s): 藤田誠
  • Organizer: 2010 The International Institute for Nanotechnology
  • Place of Presentation: Evanston, USA
  • Year and Date: 2010-10-21
• [Presentation] Nanoscale Coordination Architectures : Self-Assembled Molecular Spheres (2010)
  • Author(s): 藤田誠
  • Organizer: 2010 Gordon Research Conferences
  • Place of Presentation: Boston, America
  • Year and Date: 2010-08-04
• [Presentation] Crystalline Molecular Flasks (2010)
  • Author(s): 藤田誠
  • Organizer: 239th American Chemical Society National Meeting & Exposition
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2010-03-22
• [Remarks] ホームページ
  • URL: http://fujitalab.t.u-tokyo.ac.jp/