Synthesis and characterization of carbon nanomaterials using BIS(acetylacetonato)oxovanadium(IV), Manganese(III) Acetylacetonate, Co-Zn and CoAI as catalyst precursors.

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dc.contributor.advisor Dikio, E. D.
dc.contributor.author Ndwandwe, Silindile Nomathemba.
dc.date.accessioned 2012-11-01T08:25:17Z
dc.date.available 2012-11-01T08:25:17Z
dc.date.issued 2012-11-01
dc.date.submitted 2011-07
dc.identifier.uri http://hdl.handle.net/10352/120
dc.description Thesis. (M.Tech. (Chemistry)) -- Vaal University of Technology, 2011. en
dc.description.abstract Bis(acetylacetonato)oxovanadium(IV), Manganese(III) acetylacetonate, Co-Zn and Co-Al were prepared as catalyst precursors for the synthesis of carbon materials in a catalytic chemical vapor deposition (CCVD) reactor. The carbon materials produced were characterized with Raman spectroscopy, Scanning electron microscope (SEM), Energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), High resolution transmission electron microscopy (TEM) and Thermogravimetric analysis, (TGA). Carbon material prepared from bis(acetylacetonato)oxovanadium(IV) catalyst precursor showed the presence of carbon spheres with average diameter of 104μm together with small traces of carbon nanotubes or amorphous carbon. Synthesis of bis(acetylacetonato)oxovanadium(IV) catalyst precursor yielded approximately 92% of carbon material. Carbon material prepared from Manganese(III) acetylacetonate catalyst precursor showed the presence of carbon spheres with diameter of 87.5μm. Synthesis of Manganese(III) acetylacetonate catalyst precursor yielded approximately 97% of carbon material. Carbon material produced from Co-Zn and Co-Al catalyst precursors showed the presence of carbon nanotubes with small amounts of amorphous carbon. The use of Co-Zn catalyst precursor yielded approximately 80% of carbon nanotubes, whereas Co-Al catalyst precursor yielded approximately 98% of carbon nanotubes. en
dc.description.sponsorship Vaal University of Technology; NRF; SASOL en
dc.format.extent xii, 70 leaves; illustrations, graphs. en
dc.language.iso en en
dc.relation.requires PDF; Adobe Acrobat Reader, version 8 en
dc.subject Carbon nanomaterials en
dc.subject Bis(acetylacetonato)oxovanadium(IV) en
dc.subject Tris(acetylacetonato)oxomanganese(III) en
dc.subject Co-Zn en
dc.subject Co-Al en
dc.subject Carbon materials en
dc.subject.ddc 620.193 en
dc.subject.lcsh Carbon. en
dc.title Synthesis and characterization of carbon nanomaterials using BIS(acetylacetonato)oxovanadium(IV), Manganese(III) Acetylacetonate, Co-Zn and CoAI as catalyst precursors. en
dc.type Thesis en


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