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Direct growth of hydrotalcite nanolayers on carbon fibers by electrospinning
Modesto Lopez, Luis B; Chimentao, Ricardo J; Alvarez, Mayra G; Rosell Llompart, Joan; Medina Cabello, Francisco; Llorca Piqué, Jordi
Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. GREENER - Grup de recerca d´estudis energètics i de les radiacions
Hydrotalcite (HT) nanolayers have been grown directly on carbon fibers by carbonization and subsequent hydration of electrospun PVA/PEO/MgAl-nitrate fibers. The growth of the layered material was ascertained by X-ray diffraction and electron microscopy techniques. High resolution transmission electron microscopy indicated that HTs are adhered on the carbon fibers. The HTs presented very small crystallite sizes, which enhance the accessibility of their basic centers compared to bulk HTs, leading to significant differences in terms of catalytic activity. (C) 2014 Elsevier B.V. All rights reserved.
Àrees temàtiques de la UPC::Enginyeria dels materials::Materials compostos
Fibrous composites
Carbon fibers
Layered double hydroxide
Glycerol carbonate
Basic centers
Compostos fibrosos
Attribution-NonCommercial-NoDerivs 3.0 Spain

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