Design of High-Density Helical Polymer Brush on Silica Nanoparticles for the Size Recognition of Fullerene Molecules

Masanao Sato, Tomoki Kato, Hitoshi Shimamoto, Kazutaka Kamitani, Noboru Ohta, Tomoyasu Hirai, Atsushi Takahara

研究成果: ジャーナルへの寄稿学術誌査読

15 被引用数 (Scopus)

抄録

High-density syndiotactic poly(methyl methacrylate) (st-PMMA) brushes form a helical structure and encapsulate fullerene molecules in their helical cavities, leading to a PMMA brush/fullerene inclusion complex. The brushes recognize the size of guest molecules and spontaneously adapt their helical diameter to the guest molecules. Both polymer brush/C60 and polymer brush/C70 inclusion complex on the flat substrate were characterized on the basis of grazing incidence wide-angle X-ray diffraction (GIWAXD) measurements, and it is revealed that the main chains oriented perpendicular to the substrate. Moreover, high-density st-PMMA brushes grafted onto nanoparticles efficiently separate C70 molecules from the mixture of C60 and C70 solution. Even after 5× repeating process, the selectivity for C70 molecules remains at 99%.

本文言語英語
ページ(範囲)148-152
ページ数5
ジャーナルACS Macro Letters
7
2
DOI
出版ステータス出版済み - 2月 20 2018

!!!All Science Journal Classification (ASJC) codes

  • 有機化学
  • ポリマーおよびプラスチック
  • 無機化学
  • 材料化学

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