A Triptycene-Based Approach to Solubilising Carbon Nanotubes and C60

Peter Hammershøj, Paul H. H. Bomans, Rajamani Lakshminarayanan, Jeppe Fock, Stig Helmer Jensen, Thomas Sand Jespersen, Theis Brock-Nannestad, Tue Hassenkam, Jesper Nygård, Nico A. J. M. Sommerdijk, Kristine Kilså, Thomas Bjørnholm, Jørn Bolstad 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
JournalChemistry: A European Journal
Pages (from-to)8716-8723
Publication statusPublished - 2012
Externally publishedYes


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