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

2 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
出版ステータス印刷中 - 2022

!!!All Science Journal Classification (ASJC) codes

  • 生化学
  • 有機化学


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