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Article

Enhanced Thermochromic Properties of Vanadium Dioxide (VO2)/Glass Heterostructure by Inserting a Zr-Based Thin Film Metallic Glasses (Cu50Zr50) Buffer Layer

by
Chaoyang Kang
1,
Cong Zhang
1,
Yingxue Yao
2,
Yuanjun Yang
2,*,
Haitao Zong
1,
Liwei Zhang
1 and
Ming Li
1
1
School of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo 454000, China
2
School of Electronic Science and Applied Physics, Lab of Quantum Materials and Interfaces, Hefei University of Technology, Hefei 230009, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(10), 1751; https://doi.org/10.3390/app8101751
Submission received: 15 August 2018 / Revised: 14 September 2018 / Accepted: 21 September 2018 / Published: 28 September 2018
(This article belongs to the Special Issue Metal-Insulator Transitions)
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Abstract

Vanadium dioxide (VO2) with reversible metal–insulator transition (MIT) is one of the most promising energy-efficient materials. Especially for VO2-based smart windows, the visible transmittance and solar modulation ability are the most critical parameters. However, VO2 thin films that are directly deposited onto glass substrates are of poor crystallinity and MIT performance, limiting the practical applications of VO2/glass heterostructures. In this paper, a buffer layer of Cu50Zr50 was introduced to build a novel Zr-based thin film metallic glass (VO2/Cu50Zr50/glass) with multilayer structures for thermochromic applications. It is observed that the insertion of a Cu50Zr50 buffer layer with appropriate thickness results in a clear enhancement of crystalline quality and MIT performance in the VO2/Cu50Zr50/glass thin films, compared with the single-layer VO2/glass thin films. Moreover, the VO2/Cu50Zr50/glass bi-layer films exhibit better optical performance with enhanced solar modulation ability (ΔTsol = 14.3%) and a high visible transmittance (Tvis = 52.3%), which represents a good balance between ΔTsol and Tvis for smart window applications.
Keywords: vanadium dioxide thin film; Cu50Zr50 buffer layers; metal–insulator transition; thermochromic property; smart window vanadium dioxide thin film; Cu50Zr50 buffer layers; metal–insulator transition; thermochromic property; smart window
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MDPI and ACS Style

Kang, C.; Zhang, C.; Yao, Y.; Yang, Y.; Zong, H.; Zhang, L.; Li, M. Enhanced Thermochromic Properties of Vanadium Dioxide (VO2)/Glass Heterostructure by Inserting a Zr-Based Thin Film Metallic Glasses (Cu50Zr50) Buffer Layer. Appl. Sci. 2018, 8, 1751. https://doi.org/10.3390/app8101751

AMA Style

Kang C, Zhang C, Yao Y, Yang Y, Zong H, Zhang L, Li M. Enhanced Thermochromic Properties of Vanadium Dioxide (VO2)/Glass Heterostructure by Inserting a Zr-Based Thin Film Metallic Glasses (Cu50Zr50) Buffer Layer. Applied Sciences. 2018; 8(10):1751. https://doi.org/10.3390/app8101751

Chicago/Turabian Style

Kang, Chaoyang, Cong Zhang, Yingxue Yao, Yuanjun Yang, Haitao Zong, Liwei Zhang, and Ming Li. 2018. "Enhanced Thermochromic Properties of Vanadium Dioxide (VO2)/Glass Heterostructure by Inserting a Zr-Based Thin Film Metallic Glasses (Cu50Zr50) Buffer Layer" Applied Sciences 8, no. 10: 1751. https://doi.org/10.3390/app8101751

APA Style

Kang, C., Zhang, C., Yao, Y., Yang, Y., Zong, H., Zhang, L., & Li, M. (2018). Enhanced Thermochromic Properties of Vanadium Dioxide (VO2)/Glass Heterostructure by Inserting a Zr-Based Thin Film Metallic Glasses (Cu50Zr50) Buffer Layer. Applied Sciences, 8(10), 1751. https://doi.org/10.3390/app8101751

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