Preparation and Characterization of Needle-Like ZnO on TiO₂ Nanoparticles by Solution-Immersion Method and RF Magnetron Sputtering

Abstract:

Needle-like zinc oxide (ZnO) nanostructures was deposited on titanium dioxide (TiO₂) nanoparticles by solution-immersion method and Radio Frequency (RF) magnetron sputtering with diffferent RF powers, respectively on a glass substrate to synthesis nanocomposites of ZnO/TiO₂. Field Emission Scanning Electrons Microscope (FESEM) images demonstrate that needle-like ZnO (112-1110 nm) are deposited on the surface of the TiO₂ nanoparticles with the diameter of approximately 36.3-62.9 nm. At 200 W, more needle-like ZnO with smallest average diameter (112 nm) appeared on the TiO₂ nanoparticles, which also has the smallest average size of 36.3 nm The compositions of elements in the nanocomposites were showed by Energy Dispersive X-ray Spectrometry (EDX). All elements of Ti, O, and Zn are observed as major components which confirm the presence of TiO₂ and ZnO in the composite. X-ray Diffraction (XRD) patterns of the nanocomposites show ZnO formed on TiO₂ nanoparticles are hexagonal with a wurtzite structure and it revealed ZnO/TiO₂ thin films were succesfully deposited as nanocomposites of ZnTiO₃ at 100 W_, Zn₂TiO₄ at 150 W and Zn₂Ti₃O₈ at 200 W and above.

• Periodical: Advanced Materials Research (Volume 832)
• Pages: 596-601
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.832.596
• Online since: November 2013
• Authors: N.A.M. Asib, Aadila Aziz, Nurul Afaah Abdullah, Mohamad Rusop, Zuraida Khusaimi
• Keywords: Needle-Like ZnO, RF Magnetron Sputtering, Solution-Immersion Method, TiO₂ Nanoparticles

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