VO2/AZO double-layer films with thermochromism and low-emissivity for smart window applications

被引：29

作者：

Chu, Xinhong ^{[1
]}

Tao, Haizheng ^{[1
]}

Liu, Yuankai ^{[1
]}

Ni, Jiamiao ^{[1
]}

Bao, Jianhua ^{[1
]}

Zhao, Xiujian ^{[1
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Hubei, Peoples R China

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2014年 / 383卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

VO2; AZO; Magnetron sputtering; Smart window; Thermal hysteresis loop; CHEMICAL-VAPOR-DEPOSITION; METAL-INSULATOR-TRANSITION; DOPED VANADIUM DIOXIDE; THIN-FILMS; VO2; TRANSPARENT; COATINGS; GLASSES;

D O I：

10.1016/j.jnoncrysol.2013.04.041

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Utilizing magnetron sputtering technology, VO2/AZO double-layer films were successfully prepared on glass and characterized by temperature-dependent transmitting spectra, reflective spectra, X-ray diffraction (XRD) and scanning electron microscopy (SEM). With good transmittance (48% at 80 degrees C and 43% at 20 degrees C) in visible region, the fabricated VO2/AZO double-layer films have a thermochromic property of 27% transmitting variance in near-infrared region and a low-emissivity of 0.66 (compared to 0.9 of single VO2 film). As for thermal hysteresis loop, compared with single VO2 film owning a transmitting variance of 25% and a temperature width of 27 degrees C, the VO2/AZO double-layer films have a similar transmitting variance of 27% but a narrower temperature width of 17 degrees C. SEM micrographs show that AZO substrate can promote the oriented growth of VO2 films. The present work provides a proof about the feasibility to fabricate the multi-functional films with thermochromism and low-emissivity. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：121 / 125

页数：5

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