Optical and electrochromic properties of sol-gel made anti-reflective WO3-TiO2 films

Esra Ozkan Zayim

doi:10.1016/j.solmat.2004.06.017

Optical and electrochromic properties of sol-gel made anti-reflective WO₃-TiO₂ films

Esra Ozkan Zayim^*

^*Corresponding author for this work

Department of Physics Engineering

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

The study is an analysis of the optical and electrochromic properties of antireflective WO₃-TiO₂ thin films prepared by sol-gel method. TiO₂ (1, 5, 10 and 15 mol%)-mixed WO₃ thin films were deposited on ITO-coated glass and Corning glass substrates by spin process. The titanium content of the layers was determined by X-ray photoelectron spectroscopy (XPS). Effects of annealing temperature and titanium content on the electrochromic and optical properties of the WO₃-TiO₂ films were investigated by cyclic voltammograms with in situ monochromatic transmittance measurements. Sol-gel derived WO₃-TiO₂ anti-reflection coatings on glass substrates are successfully developed. Scanning electron microscope (SEM) pictures of pure WO₃ and WO ₃-TiO₂ films indicate that even small titania contents can lead to significant structural changes of tungsten oxide films.

Original language	English
Pages (from-to)	695-703
Number of pages	9
Journal	Solar Energy Materials and Solar Cells
Volume	87
Issue number	1-4
DOIs	https://doi.org/10.1016/j.solmat.2004.06.017
Publication status	Published - May 2005

Keywords

Anti-reflective coating
Electrochromism
Mixed WO-TiO

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10.1016/j.solmat.2004.06.017

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abstract = "The study is an analysis of the optical and electrochromic properties of antireflective WO3-TiO2 thin films prepared by sol-gel method. TiO2 (1, 5, 10 and 15 mol%)-mixed WO3 thin films were deposited on ITO-coated glass and Corning glass substrates by spin process. The titanium content of the layers was determined by X-ray photoelectron spectroscopy (XPS). Effects of annealing temperature and titanium content on the electrochromic and optical properties of the WO3-TiO2 films were investigated by cyclic voltammograms with in situ monochromatic transmittance measurements. Sol-gel derived WO3-TiO2 anti-reflection coatings on glass substrates are successfully developed. Scanning electron microscope (SEM) pictures of pure WO3 and WO 3-TiO2 films indicate that even small titania contents can lead to significant structural changes of tungsten oxide films.",

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AB - The study is an analysis of the optical and electrochromic properties of antireflective WO3-TiO2 thin films prepared by sol-gel method. TiO2 (1, 5, 10 and 15 mol%)-mixed WO3 thin films were deposited on ITO-coated glass and Corning glass substrates by spin process. The titanium content of the layers was determined by X-ray photoelectron spectroscopy (XPS). Effects of annealing temperature and titanium content on the electrochromic and optical properties of the WO3-TiO2 films were investigated by cyclic voltammograms with in situ monochromatic transmittance measurements. Sol-gel derived WO3-TiO2 anti-reflection coatings on glass substrates are successfully developed. Scanning electron microscope (SEM) pictures of pure WO3 and WO 3-TiO2 films indicate that even small titania contents can lead to significant structural changes of tungsten oxide films.

KW - Anti-reflective coating

KW - Electrochromism

KW - Mixed WO-TiO

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SN - 0927-0248

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JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

IS - 1-4

ER -

Optical and electrochromic properties of sol-gel made anti-reflective WO₃-TiO₂ films

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Keywords

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