Author:Mwakikunga, Bonex W; Sideras-Haddad, E; Forbes, A; Arendse, CDate:2008Novel optical and electrical properties of newly synthesized nano-wires of monoclinic WO3 and nano-belts of rutile VO2 have been investigated by Raman spectroscopy and thermochromism studies respectively. Phonon confinement is observed in the ...Read more
Author:Kesavan Pillai, Sreejarani; Matlhoko, L; Arendse, C; Ray, SS; Moodley, MDate:Mar 2009Multi-walled carbon nanotubes (MWCNTs) were synthesized by a chemical vapour deposition method. The effect of calcination at temperatures ranging from 300 to 550°C in exposing the metal nanoparticles within the nanotube bundles was studied. ...Read more