Hollow Spherical Fullerene Obtained by Kinetically Controlled Liquid-Liquid Interfacial Precipitation

Guoping Chen, Flavien Sciortino, Kotaro Takeyasu, Junji Nakamura, Jonathan P. Hill, Lok Kumar Shrestha, Katsuhiko Ariga

研究成果: ジャーナルへの寄稿学術誌査読

14 被引用数 (Scopus)


Nanomaterials with hollow structures are expected to exhibit new functionalities for materials engineering. Here we report the fabrication of fullerene (C60) spheres having different hollow structures by using a kinetically controlled liquid-liquid interfacial precipitation (KC-LLIP) method. For this purpose, 1,2-ethylenediamine (EDA) was used as a covalent cross-linker of C60 molecules to form C60-EDA shells, while in-situ generated EDA-sulfur (EDA-S) droplets were applied as ‘yolks’ being eliminated by washing following formation of the yolk-shell structure, leading to hollow structures. Porous spheres, string hollow spheres, hollow spheres, and open hollow spheres have been synthesized by controlling the kinetics of nucleation of C60-EDA and the template EDA-S growth. Isopropanol was used as an additive to control the discrepancy in growth rates of C60-EDA and EDA-S. This simple KC-LLIP preparation method is expected to facilitate the large-scale fabrication and application of structured C60 spheres in materials science and technology.

ジャーナルChemistry - An Asian Journal
出版ステータス出版済み - 10月 17 2022

!!!All Science Journal Classification (ASJC) codes

  • 生化学
  • 有機化学


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