Microwave energy-based synthesis and characterisation of hollow carbon nanospheres decorated with carbon nanotubes or metal oxide nanowires

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Selcuk Poyraz


Hollow carbon nanospheres (HCNSs), with either carbon nanotube (CNT) or metal oxide nanowire (MONW) decoration on their surface, were synthesised as building materials with a great potential for the next generation advanced applications. A well-established, polymeric latex NS synthesis method and a simply modified version of a microwave (MW) energy-based carbonisation approach, i.e. Poptube, were systematically combined to obtain these HCNSs. Through this simple, facile, affordable and easily scalable ‘combined synthesis method’, it was managed to successfully produce HCNSs with an unique morphological, spectroscopic, thermal and elemental features, all of which were strongly supported by both various material characterisation test results and the relevant previous literature data. Thus, it is believed that the as-synthesised CNT or MONW decorated HCNSs (CNT–MONW/HCNS) from the above-mentioned method would soon become the materials of preference for the next generation advanced applications in various science and engineering fields.

Keywords: Hollow carbon nanospheres, carbon nanotubes, metal oxide nanowires, microwave energy, conducting polymer. 


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