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Minar NK, Hou K, Westermeier C, et al. A highly-ordered 3D covalent fullerene framework. Angew Chem Int Ed Engl. 2015;54(26):7577-81doi: 10.1002/anie.201411344.
Minar, N. K., Hou, K., Westermeier, C., Döblinger, M., Schuster, J., Hanusch, F. C., Nickel, B., Ozin, G. A., & Bein, T. (2015). A highly-ordered 3D covalent fullerene framework. Angewandte Chemie (International ed. in English), 54(26), 7577-81. https://doi.org/10.1002/anie.201411344
Minar, Norma K, et al. "A highly-ordered 3D covalent fullerene framework." Angewandte Chemie (International ed. in English) vol. 54,26 (2015): 7577-81. doi: https://doi.org/10.1002/anie.201411344
Minar NK, Hou K, Westermeier C, Döblinger M, Schuster J, Hanusch FC, Nickel B, Ozin GA, Bein T. A highly-ordered 3D covalent fullerene framework. Angew Chem Int Ed Engl. 2015 Jun 22;54(26):7577-81. doi: 10.1002/anie.201411344. Epub 2015 May 08. PMID: 25958846; PMCID: PMC4510781.
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Angew Chem Int Ed Engl. 2015 Jun 22;54(26):7577-81. doi: 10.1002/anie.201411344. Epub 2015 May 08.

A highly-ordered 3D covalent fullerene framework.

Angewandte Chemie (International ed. in English)

Norma K Minar, Kun Hou, Christian Westermeier, Markus Döblinger, Jörg Schuster, Fabian C Hanusch, Bert Nickel, Geoffrey A Ozin, Thomas Bein

Affiliations

  1. Department of Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich (Germany).
  2. Department of Physics and Center for NanoScience (CeNS), University of Munich (LMU), Geschwister-Scholl-Platz 1, 80539 Munich (Germany).
  3. Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6 (Canada).
  4. Department of Chemistry and Center for NanoScience (CeNS), University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich (Germany). [email protected].

PMID: 25958846 PMCID: PMC4510781 DOI: 10.1002/anie.201411344

Abstract

A highly-ordered 3D covalent fullerene framework is presented with a structure based on octahedrally functionalized fullerene building blocks in which every fullerene is separated from the next by six functional groups and whose mesoporosity is controlled by cooperative self-assembly with a liquid-crystalline block copolymer. The new fullerene-framework material was obtained in the form of supported films by spin coating the synthesis solution directly on glass or silicon substrates, followed by a heat treatment. The fullerene building blocks coassemble with a liquid-crystalline block copolymer to produce a highly ordered covalent fullerene framework with orthorhombic Fmmm symmetry, accessible 7.5 nm pores, and high surface area, as revealed by gas adsorption, NMR spectroscopy, small-angle X-ray scattering (SAXS), and TEM. We also note that the 3D covalent fullerene framework exhibits a dielectric constant significantly lower than that of the nonporous precursor material.

© 2015 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

Keywords: covalent frameworks; electron mobility; fullerenes; mesoporous materials; self-assembly

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