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Reactive & Functional Polymers, Vol.85, 235-238, 2014
Catalytic graphitization of electrospun cellulose nanofibres using silica nanoparticles
Electrospun cellulose nanofibres have been graphitized in the presence of silica (SiO2) nanoparticles. The structure of the resultant SiC/C hybrids was characterised using transmission electron microscopy, X-ray diffraction and Raman spectroscopy. Bamboo-like silicon carbide (SiC) nanostructures were observed emanating from the nanofibres treated at 1500 degrees C which were thought to grow through a vapour-liquid solid process. The formation of SiC was also thought to lead to a higher degree of graphitization for the electrospun cellulose fibres. These porous and graphitized nanofibres might find applications in electrochemical energy storage. (C) 2014 Elsevier B.V. All rights reserved.