A triptycene-based approach to solubilising carbon nanotubes and C60

P. Hammershoj, P.H.H. Bomans, R. Lakshminarayanan, J. Fock, S.H. Jensen, T.S. Jespersen, T. Brock-Nannestad, T. Hassenkan, J. Nygard, N.A.J.M. Sommerdijk, K. Kilsa, T. Bjorholm, J.B. Christensen

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We describe herein the synthesis of a triptycene-based surfactant designed with the ability to solubilise single-walled carbon nanotubes (SWNTs) and C60 in water through non-covalent interactions. Furthermore, an amphiphilic naphthalene-based surfactant with the same ability to solubilise SWNTs and C60 has also been prepared. The compounds synthesised were designed with either two ionic or non-ionic tails to ensure a large number of supramolecular interactions with the solvent, thereby promoting strong solubilisation. The surfactants produced stable suspensions in which the SWNTs are dispersed and the surfactant/SWNT complexes formed are stable for more than one year. UV/Vis/NIR absorption spectroscopy, TEM and AFM were employed to probe the solubilisation properties of the dispersion of surfactants and SWNTs in water.
Original languageEnglish
Pages (from-to)8716-8723
Number of pages8
JournalChemistry : A European Journal
Issue number28
Publication statusPublished - 2012


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