Issue 48, 2022

Influence of VO2 based structures and smart coatings on weather resistance for boosting the thermochromic properties of smart window applications

Abstract

Vanadium dioxide (VO2)-based energy-saving smart films or coatings aroused great interest in scientific research and industry due to the reversible crystalline structural transition of VO2 from the monoclinic to tetragonal phase around room temperature, which can induce significant changes in transmittance and reflectance in the infrared (IR) range. However, there are still some obstacles for commercial application of VO2-based films or coatings in our daily life, such as the high phase transition temperature (68 °C), low luminous transmittance, solar modulation ability, and poor environmental stability. Particularly, due to its active nature chemically, VO2 is prone to gradual oxidation, causing deterioration of optical properties during very long life span of windows. In this review, the recent progress in enhancing the thermochromic properties of VO2-hybrid materials especially based on environmental stability has been summarized for the first time in terms of structural modifications such as core–shell structures for nanoparticles and nanorods and thin-films with single layer, layer-by-layer, and sandwich-like structures due to their excellent results for improving environmental stability. Moreover, future development trends have also been presented to promote the goal of commercial production of VO2 smart coatings.

Graphical abstract: Influence of VO2 based structures and smart coatings on weather resistance for boosting the thermochromic properties of smart window applications

Article information

Article type
Review Article
Submitted
26 Jul 2022
Accepted
28 Sep 2022
First published
31 Okt 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 30985-31003

Influence of VO2 based structures and smart coatings on weather resistance for boosting the thermochromic properties of smart window applications

M. K. Shahzad, R. Z. Abbas Manj, G. Abbas, R. A. Laghari, S. S. Akhtar, M. A. Khan, M. B. Tahir, S. Znaidia and M. Alzaid, RSC Adv., 2022, 12, 30985 DOI: 10.1039/D2RA04661J

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