Dependence of graphitic order of carbon nanostructures on AC and DC arc discharge methods and Ni content in thin electrode

摘要

InthisstudythegraphiticorderofcarbonnanostructuresformedonthecathodeduringelectricarcdischargesusingathinelectrodewithNiwerecharacterizedbyScanningelectronmicroscopy,X-raydiffractionandRamanspectroscopy.TheresultssuggestthatmoreorderedcarbonnanostructuresareproducedwhentheACarcdischargemethodisusedforcarbonnanotubessynthesis.Moreover,themoreNicontainsthethinelectrode,themoreorderedphasesareobtained,independentoftheelectricarcdischargemethodused.Furtheron,itcanbeexpectedthatvarioustypesofcarbonnanostructuresbesidesmultiwalledcarbonnanotubes(MWCNTs)coexistintheplasmogenicproductobtained.