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Characterization of copper cobolt oxide thin film coatings synthesized via sol-gel dip-coating method

Amri, A., Jiang, Z-T, Pryor, T., Yin, C-Y and Mondinos, N. (2012) Characterization of copper cobolt oxide thin film coatings synthesized via sol-gel dip-coating method. In: 3rd International Chemical and Environmental Engineering Conference (ICEEC 2012), 21 - 23 December, Kuala Lumpur, Malaysia pp. 31-36.

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Abstract

The copper-cobalt oxide (CuxCoyOz) thin film coating had been successfully synthesized on aluminium substrate using sol-gel dip-coating method. Mineralogical characteristics of the coating were characterized using X-ray diffraction (XRD) and energy dispersive X-ray (EDX). The surface morphology was investigated using scanning electron microscopy (SEM) and field emission scanning electron microscopy (FESEM) in which the coating had a nano-sized grain-like particles array forming a porous-trenches-like surface structure. UV-Vis-NIR spectrophotometry analysis revealed that the coatings had low reflectance (< 50 %) in UV range, moderate reflectance (≤ 90 %) in visible range and high reflectance (up to 100 %) in near-infrared. A solar spectrally selective absorber curve profile was produced with the increase of dip-heating cycle.

Publication Type: Conference Paper
Murdoch Affiliation: School of Chemical and Mathematical Science
School of Engineering and Energy
Publisher: World Academy of Research and Publication
Copyright: © 2012 WARP
URI: http://researchrepository.murdoch.edu.au/id/eprint/16240
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