Mesoporous Fullerene Nanomaterials

  • Author: Angewandte Chemie International Edition
  • Published Date: 14 December 2017
  • Source / Publisher: Angewandte Chemie International Edition/Wiley-VCH
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA
thumbnail image: Mesoporous Fullerene Nanomaterials

Ajayan Vinu, University of South Australia, Adelaide, and University of Newcastle, Callaghan, NSW, Australia, and colleagues have designed and synthesized highly crystalline and ordered mesoporous fullerene C60 materials with high specific surface and large pore volume. The team's aim was to enhance the materials' physical and electronic properties, including surface area and electronic conductivity, for energy storage and conversion applications.

The researchers used a templating approach (pictured) in which highly ordered porous inorganic materials are used as templates. A large amount of C60 can be encapsulated in the mesopores of the template. Oligomerization occurs by cross-linking of the C60 molecules. Highly crystalline walls are formed at temperatures of 900 °C. The template is removed using HF.

The resultant mesoporous C60 products have an ordered porosity. The products have a rod-shaped morphology with a specific surface area of 680 m2/g. The material has a high supercapacitive performance and a high selectivity for H2O2 production and methanol tolerance for fuel cells. The synthetic strategy could be extended for the fabrication of a new series of porous fullerenes.


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