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2013 Fiscal Year Final Research Report

Fine Synthesis of Nanobuilding Units and Construction of Multidimensional Structures through Their Self-Assembly

Research Project

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Project/Area Number 23350098
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Inorganic industrial materials
Research InstitutionThe University of Tokyo

Principal Investigator

OKUBO Tatsuya  東京大学, 工学(系)研究科(研究院), 教授 (40203731)

Co-Investigator(Renkei-kenkyūsha) SHIMOJIMA Atsushi  早稲田大学, 先進理工学部, 准教授 (90424803)
NARUTAKI Ayae  名古屋大学, 大学院・工学研究科, 准教授 (10508203)
Project Period (FY) 2011-04-01 – 2014-03-31
Keywordsナノ材料 / 自己組織化 / 表面・界面物性 / 複合材料・物性 / ナノ粒子
Research Abstract

We have established a gram-scale synthesis of monodispersed silica nanospheres, the diameter of which can be controlled below 50 nm size region. These nanospheres as colloidal dispersion can serve as excellent nanobuilding units (NBUs) in the bottom-up materials synthesis. In this study, we have developed more facile synthetic method of monodispersed silica nanospheres. Furthermore, novel NBUs having a variety of composition, shape, and interior structures are synthesized. The NBUs are self-assembled into one-, two-, or three-dimensional structures by the fine tuning of interparticle interations operated in liquid phases.

  • Research Products

    (13 results)

All 2014 2013 2012 2011 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (5 results) (of which Invited: 3 results) Remarks (1 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] Synthesis of String-Bean-Like Anisotropic Titania Nanoparticles with Basic Amino Acids2014

    • Author(s)
      Junzheng Wang, John K. Katahara, Akihito Kumamoto, Tetsuya Tohei, Ayae Sugawara-Narutaki, Atsushi Shimojima, Tatsuya Okubo
    • Journal Title

      RSC Adv

      Volume: 4 Pages: 9233-9234

    • DOI

      10.1039/C3RA47170E

    • Peer Reviewed
  • [Journal Article] Synthesis of Monodisperse Organosilica Nanoparticles with Hollow Interiors and Porous Shells Using Silica Nanospheres as Templates2013

    • Author(s)
      Natsume Koike, Takaaki Ikuno, Tatsuya Okubo, Atsushi Shimojima
    • Journal Title

      Chem. Commun.

      Volume: 49 Pages: 4998-5000

    • DOI

      10.1039/C3CC41904E

    • Peer Reviewed
  • [Journal Article] Chain-Like Nanostructures from Anisotropic Self-Assembly of Semiconducting Metal Oxide Nanoparticles with a Block Copolymer2012

    • Author(s)
      Junzheng Wang, Suminto Winardi, Ayae Sugawara-Narutaki, Akihito Kumamoto, Tetsuya Tohei, Atsushi Shimojima, Tatsuya Okubo
    • Journal Title

      Chem. Commun.

      Volume: 48 Pages: 11115-11117

    • DOI

      10.1039/C2CC36210D

    • Peer Reviewed
  • [Journal Article] One-Dimensional Assembly of Silica Nanospheres : Effects of Nonionic Block Copolymers2012

    • Author(s)
      Shujun Zhou, Takeshi Sakamoto, Junzheng Wang, Ayae Sugawara-Narutaki, Atsushi Shimojima, Tatsuya Okubo
    • Journal Title

      Langmuir

      Volume: 28 Pages: 13181-13188

    • DOI

      10.1021/la302443f

    • Peer Reviewed
  • [Journal Article] Two-Phase Synthesis of Monodisperse Silica Nanospheres with Amines or Ammonia Catalyst and Their Controlled Self-Assembly2011

    • Author(s)
      Junzheng Wang, Ayae Sugawara-Narutaki, Masashi Fukao, Toshiyuki Yokoi, Atsushi Shimojima, Tatsuya Okubo
    • Journal Title

      ACS Appl. Mater. Interfaces

      Volume: 3 Pages: 1538-1544

    • DOI

      10.1021/am200104m

    • Peer Reviewed
  • [Presentation] Synthesis of Well-Dispersed Organo-Silica Nanoparticles with Hollow Interiors by Hard Templating2013

    • Author(s)
      Atsushi Shimojima, Takaaki Ikuno, Natsume Koike, Ayae Sugawara-Narutaki, Tatsuya Okubo
    • Organizer
      8th International Mesoporous Materials Symposium (IMMS2013)
    • Place of Presentation
      兵庫
    • Year and Date
      2013-05-22
  • [Presentation] Block Copolymer-Mediated Anisotropic Self-Assembly of Semiconducting Metal Oxide Nanoparticles2012

    • Author(s)
      Junzheng Wang, Ayae Sugawara-Narutaki, Atsushi Shimojima, Tatsuya Okubo
    • Organizer
      2012 AIChE Annual Meeting, Pittsburgh
    • Place of Presentation
      USA
    • Year and Date
      2012-10-31
  • [Presentation] Anisotoropic Assembly of Isotropic Nanoparticles by Macrooperation2012

    • Author(s)
      Tatuya Okubo
    • Organizer
      化学工学会第77年会
    • Place of Presentation
      東京
    • Year and Date
      2012-03-15
    • Invited
  • [Presentation] 球状シリカナノ粒子の合成と自己集合2011

    • Author(s)
      下嶋敦
    • Organizer
      粉体粉末冶金協会平成23年度秋季大会
    • Place of Presentation
      大阪
    • Year and Date
      2011-10-26
    • Invited
  • [Presentation] 球状シリカナノ粒子の液相における一次元自己集合とその応用2011

    • Author(s)
      鳴瀧彩絵, 下嶋敦, 大久保達也
    • Organizer
      日本セラミックス協会第24秋季シンポジウム
    • Place of Presentation
      札幌
    • Year and Date
      2011-09-09
    • Invited
  • [Remarks]

    • URL

      http://www.zeolite.t.u-tokyo.ac.jp/

  • [Patent(Industrial Property Rights)] 金属酸化物構造体の製造方法2012

    • Inventor(s)
      大久保達也, 鳴瀧彩絵, 周叔君
    • Industrial Property Rights Holder
      大久保達也, 鳴瀧彩絵, 周叔君
    • Industrial Property Rights Type
      特許特開 2014-97557
    • Patent Publication Number
      特開 2014-97557
    • Filing Date
      2012-11-15
  • [Patent(Industrial Property Rights)] 中空の有機シリカ構造体の製造方法2012

    • Inventor(s)
      大久保達也, 下嶋敦, 小池夏萌
    • Industrial Property Rights Holder
      大久保達也, 下嶋敦, 小池夏萌
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      特願 2012-277289
    • Filing Date
      2012-12-19

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Published: 2015-06-25  

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