Synthesis and characterization of carbon nanospheres obtained by microwave radiation

Carbon microparticles mixed with 10wt.% zinc oxide microparticles were irradiated with microwaves in a vacuum. Characterization was made by X-ray diffraction, scanning and transmission electron microscopy and Raman spectroscopy. The micrographs showed that a morphological transformation occurred wit...

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Veröffentlicht in:	Carbon (New York) 2013-04, Vol.54, p.168-174
Hauptverfasser:	Mora Hernandez, Juan Manuel, Reza San German, Carmen Magdalena, Diaz Barriga Arceo, Lucia, Zarazua Villalobos, Liliana, Estrada Flores, Miriam
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon Chemistry Colloidal state and disperse state Cross-disciplinary physics: materials science rheology Exact sciences and technology General and physical chemistry Materials science Micrographs Microparticles Microwaves Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization Nanospheres Physical and chemical studies. Granulometry. Electrokinetic phenomena Physics Scanning electron microscopy Transformations Zinc oxide
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Beschreibung
Zusammenfassung:	Carbon microparticles mixed with 10wt.% zinc oxide microparticles were irradiated with microwaves in a vacuum. Characterization was made by X-ray diffraction, scanning and transmission electron microscopy and Raman spectroscopy. The micrographs showed that a morphological transformation occurred with the formation of carbon structures in the shape of micrometric spheres. High resolution transmission electron microscopy showed that for a reaction time of 3.5min, carbon nanospheres were obtained with an average diameter less than 35nm with zinc oxide nanoparticles of 4nm diameter inside them.
ISSN:	0008-6223 1873-3891
DOI:	10.1016/j.carbon.2012.11.016