Titania and tungsten doped titania thin films on glass: active photocatalysts

A. Rampaul, I.P. Parkin, S.A. O'Neill, J. DeSouza, A. Mills, N. Elliott

Research output: Contribution to journalArticle

149 Citations (Scopus)

Abstract

Acidification of an isopropanol solution containing mixtures of [Ti(OPri)(4)] and [W(OEt)(5)] produced solutions from which various TiO2, WO3 and TiO2/WO3 thin films could be obtained by dip coating and annealing. The films were analysed by X-ray diffraction, SEM/EDAX, Raman, electronic spectra, contact angle and photoactivity with respect to destruction of an over layer of stearic acid. The TiO2/WO3 films were shown to be mixtures of two phases TiO2 and WO3 rather than a solid solution TixWyO2. The 2% tungsten oxide doped titania films were shown to be the most effective photocatalysts. All of the TiO2 and TiO2/WO3 films showed light induced superhydrophillicity.
LanguageEnglish
Pages35-44
Number of pages9
JournalPolyhedron
Volume22
Issue number1
DOIs
Publication statusPublished - 1 Jan 2003

Fingerprint

Titania
Tungsten
Photocatalysts
tungsten
titanium
Titanium
Glass
Thin films
glass
thin films
Stearic acid
tungsten oxides
2-Propanol
Acidification
electronic spectra
destruction
Contact angle
coating
Energy dispersive spectroscopy
Solid solutions

Keywords

  • titania
  • photocatalyst
  • electronic spectra
  • stearic acid

Cite this

Rampaul, A., Parkin, I. P., O'Neill, S. A., DeSouza, J., Mills, A., & Elliott, N. (2003). Titania and tungsten doped titania thin films on glass: active photocatalysts. Polyhedron, 22(1), 35-44. https://doi.org/10.1016/S0277-5387(02)01333-5
Rampaul, A. ; Parkin, I.P. ; O'Neill, S.A. ; DeSouza, J. ; Mills, A. ; Elliott, N. / Titania and tungsten doped titania thin films on glass: active photocatalysts. In: Polyhedron. 2003 ; Vol. 22, No. 1. pp. 35-44.
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Rampaul, A, Parkin, IP, O'Neill, SA, DeSouza, J, Mills, A & Elliott, N 2003, 'Titania and tungsten doped titania thin films on glass: active photocatalysts' Polyhedron, vol. 22, no. 1, pp. 35-44. https://doi.org/10.1016/S0277-5387(02)01333-5

Titania and tungsten doped titania thin films on glass: active photocatalysts. / Rampaul, A.; Parkin, I.P.; O'Neill, S.A.; DeSouza, J.; Mills, A.; Elliott, N.

In: Polyhedron, Vol. 22, No. 1, 01.01.2003, p. 35-44.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Titania and tungsten doped titania thin films on glass: active photocatalysts

AU - Rampaul, A.

AU - Parkin, I.P.

AU - O'Neill, S.A.

AU - DeSouza, J.

AU - Mills, A.

AU - Elliott, N.

PY - 2003/1/1

Y1 - 2003/1/1

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AB - Acidification of an isopropanol solution containing mixtures of [Ti(OPri)(4)] and [W(OEt)(5)] produced solutions from which various TiO2, WO3 and TiO2/WO3 thin films could be obtained by dip coating and annealing. The films were analysed by X-ray diffraction, SEM/EDAX, Raman, electronic spectra, contact angle and photoactivity with respect to destruction of an over layer of stearic acid. The TiO2/WO3 films were shown to be mixtures of two phases TiO2 and WO3 rather than a solid solution TixWyO2. The 2% tungsten oxide doped titania films were shown to be the most effective photocatalysts. All of the TiO2 and TiO2/WO3 films showed light induced superhydrophillicity.

KW - titania

KW - photocatalyst

KW - electronic spectra

KW - stearic acid

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Rampaul A, Parkin IP, O'Neill SA, DeSouza J, Mills A, Elliott N. Titania and tungsten doped titania thin films on glass: active photocatalysts. Polyhedron. 2003 Jan 1;22(1):35-44. https://doi.org/10.1016/S0277-5387(02)01333-5