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Wettability, structural and optical properties investigation of TiO2 nanotubular arrays

In this study, the effect of microstructural evolution of TiO2 nanotubular arrays on wettability and optical properties was investigated. Pure titanium was deposited on silica glass by PVD magnetron sputtering technique. The Ti coated substrates were anodized in an electrolyte containing NH4F/glycer...

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Main Authors:	Zalnezhad, E., Maleki, E., Banihashemian, S.M., Park, J.W., Kim, Y.B., Sarraf, M., Sarhan, Ahmed Aly Diaa Mohammed, Ramesh, Singh
Format:	Article
Published:	Elsevier 2016
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.um.edu.my/18696/ http://dx.doi.org/10.1016/j.materresbull.2016.01.035
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spelling	my.um.eprints.186962019-10-04T03:00:28Z http://eprints.um.edu.my/18696/ Wettability, structural and optical properties investigation of TiO2 nanotubular arrays Zalnezhad, E. Maleki, E. Banihashemian, S.M. Park, J.W. Kim, Y.B. Sarraf, M. Sarhan, Ahmed Aly Diaa Mohammed Ramesh, Singh TJ Mechanical engineering and machinery In this study, the effect of microstructural evolution of TiO2 nanotubular arrays on wettability and optical properties was investigated. Pure titanium was deposited on silica glass by PVD magnetron sputtering technique. The Ti coated substrates were anodized in an electrolyte containing NH4F/glycerol. The structures of the ordered anodic TiO2 nanotubes (ATNs) as long as 175 nm were studied using field emission scanning electron microscopy (FESEM) and X-ray diffraction (XRD). The result shows a sharp peak in the optical absorbance spectra around the band gap energy, 3.49–3.42 eV for annealed and non-annealed respectively. The thermal process induced growth of the grain size, which influence on the density of particles and the index of refraction. Furthermore, the wettability tests' result displays that the contact angle of intact substrate (θ = 74.7°) was decreased to 31.4° and 17.4° after anodization for amorphous and heat treated (450 °C) ANTs coated substrate, respectively. Elsevier 2016 Article PeerReviewed Zalnezhad, E. and Maleki, E. and Banihashemian, S.M. and Park, J.W. and Kim, Y.B. and Sarraf, M. and Sarhan, Ahmed Aly Diaa Mohammed and Ramesh, Singh (2016) Wettability, structural and optical properties investigation of TiO2 nanotubular arrays. Materials Research Bulletin, 78. pp. 179-185. ISSN 0025-5408 http://dx.doi.org/10.1016/j.materresbull.2016.01.035 doi:10.1016/j.materresbull.2016.01.035
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Zalnezhad, E. Maleki, E. Banihashemian, S.M. Park, J.W. Kim, Y.B. Sarraf, M. Sarhan, Ahmed Aly Diaa Mohammed Ramesh, Singh Wettability, structural and optical properties investigation of TiO2 nanotubular arrays
description	In this study, the effect of microstructural evolution of TiO2 nanotubular arrays on wettability and optical properties was investigated. Pure titanium was deposited on silica glass by PVD magnetron sputtering technique. The Ti coated substrates were anodized in an electrolyte containing NH4F/glycerol. The structures of the ordered anodic TiO2 nanotubes (ATNs) as long as 175 nm were studied using field emission scanning electron microscopy (FESEM) and X-ray diffraction (XRD). The result shows a sharp peak in the optical absorbance spectra around the band gap energy, 3.49–3.42 eV for annealed and non-annealed respectively. The thermal process induced growth of the grain size, which influence on the density of particles and the index of refraction. Furthermore, the wettability tests' result displays that the contact angle of intact substrate (θ = 74.7°) was decreased to 31.4° and 17.4° after anodization for amorphous and heat treated (450 °C) ANTs coated substrate, respectively.
format	Article
author	Zalnezhad, E. Maleki, E. Banihashemian, S.M. Park, J.W. Kim, Y.B. Sarraf, M. Sarhan, Ahmed Aly Diaa Mohammed Ramesh, Singh
author_facet	Zalnezhad, E. Maleki, E. Banihashemian, S.M. Park, J.W. Kim, Y.B. Sarraf, M. Sarhan, Ahmed Aly Diaa Mohammed Ramesh, Singh
author_sort	Zalnezhad, E.
title	Wettability, structural and optical properties investigation of TiO2 nanotubular arrays
title_short	Wettability, structural and optical properties investigation of TiO2 nanotubular arrays
title_full	Wettability, structural and optical properties investigation of TiO2 nanotubular arrays
title_fullStr	Wettability, structural and optical properties investigation of TiO2 nanotubular arrays
title_full_unstemmed	Wettability, structural and optical properties investigation of TiO2 nanotubular arrays
title_sort	wettability, structural and optical properties investigation of tio2 nanotubular arrays
publisher	Elsevier
publishDate	2016
url	http://eprints.um.edu.my/18696/ http://dx.doi.org/10.1016/j.materresbull.2016.01.035
_version_	1648736153217531904
score	13.211869

Wettability, structural and optical properties investigation of TiO2 nanotubular arrays

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