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Nanomaterials 2019, 9(4), 606; https://doi.org/10.3390/nano9040606

From Polyethylene to Highly Graphitic and Magnetic Carbon Spheres Nanocomposites: Carbonization under Pressure

Carbon Materials Research Group, Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, ES18071-Granada, Spain
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Received: 1 March 2019 / Revised: 22 March 2019 / Accepted: 5 April 2019 / Published: 12 April 2019
(This article belongs to the Special Issue Nanostructured Carbons for Environmental and Energy Technologies)
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Abstract

Carbon nanocomposites microspheres were synthesized from Low-Density Polyethylene (LDPE) by a facile one-step strategy under solvent-free conditions. The synthesis of these materials was carried out in a closed Hastelloy® reactor at 700 °C. The treatment, during which autogenic pressure was generated, leads to highly graphitic materials with stunning properties, particularly concerning the oxidation resistance (compared to the graphite stability). The metallic doping triggers the growth of nanostructures with diverse morphologies around the spheres, obtaining samples with magnetic properties. View Full-Text
Keywords: carbon microspheres; metal-carbon nanocomposites; magnetic composites carbon microspheres; metal-carbon nanocomposites; magnetic composites
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Castelo-Quibén, J.; Pastrana-Martínez, L.M.; Carrasco-Marín, F.; Pérez-Cadenas, A.F. From Polyethylene to Highly Graphitic and Magnetic Carbon Spheres Nanocomposites: Carbonization under Pressure. Nanomaterials 2019, 9, 606.

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