Preparation and photo-induced superhydrophilicity of composite TiO2―SiO2―In2O3 thin film

In this work, TiO2-SiO2-In2O3 composite thin films on glass substrates were prepared by the sol-gel dip coating process. X-ray diffraction (XRD), X-ray fluorescence spectroscopy (XRF) and X-ray photoelectron spectroscopy (XPS) were used to evaluate the structural and chemical properties of the films...

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Veröffentlicht in:	Applied surface science 2010-09, Vol.256 (23), p.7062-7066
Hauptverfasser:	ESHAGHI, A, PAKSHIR, M, MOZAFFARINIA, R
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorbed layers and thin films Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Contact angle Cross-disciplinary physics: materials science rheology Diffraction Electron and ion emission by liquids and solids impact phenomena Exact sciences and technology Immersion coating Materials science Materials synthesis materials processing Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity) Photoemission and photoelectron spectra Physics Single-crystal and powder diffraction Sol-gel processing, precipitation Spectra Structure of solids and liquids crystallography Thin films Titanium dioxide Transmittance X-ray diffraction and scattering X-ray photoelectron spectroscopy X-rays
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Zusammenfassung:	In this work, TiO2-SiO2-In2O3 composite thin films on glass substrates were prepared by the sol-gel dip coating process. X-ray diffraction (XRD), X-ray fluorescence spectroscopy (XRF) and X-ray photoelectron spectroscopy (XPS) were used to evaluate the structural and chemical properties of the films. UV-vis spectrophotometer was used to measure the transmittance spectra of thin films. The water contact angle (WCA) of thin films during UV/vis irradiation and storage in a dark place was measured by a contact angle analyzer. The results indicated that fabrication of composite film has a significant effect on transmittance and superhydrophilicity of TiO2 films.
ISSN:	0169-4332 1873-5584
DOI:	10.1016/j.apsusc.2010.05.026