Vanadium Dioxide Thin Films Deposited on TiO2 Buffer Layer for Smart Thermochromic Glazing of Windows

Jian Wei Ma; Gang Xu; Lei Miao

doi:10.4028/www.scientific.net/AMR.374-377.1365

Paper Titles

Improving on Road Asphalt Mixture High Temperature Performance Analysis
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Research and Application on the Crumb Rubber Modified Low-Noise Asphalt Pavement
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Influence of New Type Water Reducer Agent YC on Properties of Alkali-Activated Slag Cement Mortar
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Study on Rheological Property and Phase Separation of Modified Asphalt by Waste Crumb Rubber
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Vanadium Dioxide Thin Films Deposited on TiO₂ Buffer Layer for Smart Thermochromic Glazing of Windows
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Study on the Permeability Model of the Porous Concrete
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Efficiency of Scrap Rubber Particles on Strength of Cementitious Materials
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Analysis on the Correlations between Preservatives and the Durability of High Performance Structural Concretes
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Performance Evaluation of BRA Modified Asphalt Based on Analysis of Rheological Property
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Vanadium Dioxide Thin Films Deposited on TiO₂ Buffer Layer for Smart Thermochromic Glazing of Windows

Abstract:

Vanadium dioxide (VO₂) films were prepared on quartz glass and TiO₂-coated quartz glass substrates by reactive RF-magnetron sputtering. The VO₂ thin film with film thickness of 50 nm deposited on quartz glass substrates showed two kinds of regions with different color visible to the naked eye, i.e., the earth yellow region and the cyan region. Both XRD and Raman spectroscopy showed that the different color regions of the films had the different crystallinity quality and phase composition. Whereas, the VO₂ thin films with film thickness of 50 nm fabricated on TiO₂-coated quartz glass (with TiO₂ film thickness of 50 nm) had uniform color and exhibited a larger change in transmittance at near infrared region than the VO₂ thin films deposited on quartz glass did. A TiO₂ buffer layer improved the crystallinity and uniformity of the VO₂ film. Such very thin VO₂ films with a TiO₂ buffer layer have high potential for practical application in smart thermal glazing of windows.