Photocatalytic activity of pure and Ni-doped ZnO nanoparticles
by D. Sridevi; K.V. Rajendran
International Journal of Nanoparticles (IJNP), Vol. 4, No. 4, 2011

Abstract: Pure and Ni-doped ZnO nanoparticles were synthesised by using hydrothermal method. The microstructures of ZnO nanomaterials were characterised by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The optical absorption spectroscopy shows shift in band gap energies for Ni-doped ZnO nanocrystals. The room temperature photoluminescence (PL) spectroscopy shows dominant emission peaks in the visible region. Ni-doped ZnO nanoparticles exhibit better photocatalytic activity for the photocatalytic degradation of methyl orange, indicating that doped ZnO nanomaterials are promising material for photocatalyst.

Online publication date: Fri, 13-Mar-2015

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