Fullerene-driven encapsulation of a luminescent Eu(iii) complex in carbon nanotubes

Laura Maggini, Melinda Emese Füstös, Thomas W. Chamberlain, Cristina Cebrián, Mirco Natali, Marek Pietraszkiewicz, Oksana Pietraszkiewicz, Edit Székely, Katalin Kamarás, Luisa De Cola, Andrei N. Khlobystov, Davide Bonifazi

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Résumé

A novel CNT-based hybrid luminescent material was obtained via encapsulation of a C60-based Eu(iii) complex into single-, double- and multi-walled carbon nanotubes (SWCNTs, DWCNTs and MWCNTs, respectively). Specifically, a luminescent negatively charged Eu(iii) complex, electrostatically bonded to an imidazolium-functionalized fullerene cage, was transported inside CNTs by exploiting the affinity of fullerenes for the inner surface of these carbonaceous containers. The filling was performed under supercritical CO2 (scCO2) conditions to facilitate the entrapment of the ion-paired assembly. Accurate elemental, spectroscopic and morphological characterization not only demonstrated the efficiency of the filling strategy, but also the occurrence of nano-ordering of the encapsulated supramolecular luminophores when SWCNTs were employed.

langue originaleAnglais
Pages (de - à)2887-2894
Nombre de pages8
journalNanoscale
Volume6
Numéro de publication5
Les DOIs
Etat de la publicationPublié - 7 mars 2014

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    Maggini, L., Füstös, M. E., Chamberlain, T. W., Cebrián, C., Natali, M., Pietraszkiewicz, M., Pietraszkiewicz, O., Székely, E., Kamarás, K., De Cola, L., Khlobystov, A. N., & Bonifazi, D. (2014). Fullerene-driven encapsulation of a luminescent Eu(iii) complex in carbon nanotubes. Nanoscale, 6(5), 2887-2894. https://doi.org/10.1039/c3nr05876j