Wall- and Hybridisation-Selective Synthesis of Nitrogen-Doped Double-Walled Carbon Nanotubes


Controlled nitrogen-doping is a powerful methodology to modify the properties of carbon nanostructures and produce functional materials for electrocatalysis, energy conversion and storage, and sensing, among others. Herein, we report a wall- and hybridisation-selective synthetic methodology to produce double-walled carbon nanotubes with an inner tube doped exclusively with graphitic sp(2)-nitrogen atoms. Our measurements shed light on the fundamental properties of nitrogen-doped nanocarbons opening the door for developing their potential applications.



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Carini, M; Shi, L; Chamberlain, TW; Liu, M; Valenti, G; Melle-Franco, M; Paolucci, F; Khlobystov, AN; Pichler, T; Mateo-Alonso, A

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M.C. and A.M.A. acknowledge support of the Basque Science Foundation for Science (Ikerbasque), POLYMAT, the University of the Basque Country (Grupo de Investigacion GIU17/054 and SGIker), Gobierno de Espana (Ministerio de Economia y Competitividad CTQ2016-77970-R) and Gobierno Vasco (BERC program). This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement no 722951). M.M.F. acknowledge support of the Portuguese Foundation for Science and Technology (FCT), under the projects PTDC/FIS-NAN/4662/2014, IF/00894/2015, and FCT Ref. UID/CTM/50011/2019 for CICECO-Aveiro Institute of Materials. T.W.C. and A.N.K. acknowledge support of the Nanoscale and Microscale Research Centre (nmRC), University of Nottingham, for access to microscopy equipment. L.S and T.P. acknowledge support of the Fonds zur Forderung der wissenschaftlichen Forschung (FWF, P27769-N20).

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