Optical properties of vanadium dioxide thin film in nanoparticle structure

被引：20

作者：

Fang, Baoying ^{[1
]}

Li, Yi ^{[1
,2
]}

Tong, Guoxiang ^{[1
]}

Wang, Xiaohua ^{[1
,3
]}

Yan, Meng ^{[1
]}

Liang, Qian ^{[1
]}

Wang, Feng ^{[1
]}

Qin, Yuan ^{[1
]}

Ding, Jie ^{[1
]}

Chen, Shaojuan ^{[1
]}

Chen, Jiankun ^{[1
]}

Zheng, Hongzhu ^{[1
]}

Yuan, Wenrui ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Sch Opt Elect & Comp Engn, Shanghai 200093, Peoples R China

[2] Shanghai Key Lab Modern Opt Syst, Shanghai 200093, Peoples R China

[3] Shanghai Univ Elect Power, Sch Elect & Informat Engn, Shanghai 200090, Peoples R China

来源：

OPTICAL MATERIALS | 2015年 / 47卷

关键词：

Infrared switching characteristics; Nanoparticle; Thermochromism; Thin film; Vanadium dioxide; INSULATOR-TRANSITION; VO2;

D O I：

10.1016/j.optmat.2015.05.027

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The thermo-optic effect and infrared optical properties of VO2 nanoparticles were studied to obtain an optical material with special property that can be used in smart windows. The reflectance and transmittance spectra of the VO2 nanoparticles with different duty cycles at different temperatures were simulated with a specific dispersion relation. Vanadium metal nanoparticles were deposited on glass substrate by magnetic reactive sputtering with porous alumina template (MO) mask, and the VO2 nanoparticles were prepared by thermal oxidation. The nanostructure and optical properties of the VO2 nanoparticles were characterized by atomic force microscopy, X-ray photoelectron spectroscopy, X-ray diffraction, and spectrophotometry. The method of preparation of the sample is economical and the phase transition temperature is observed to drop to 43 degrees C. The transmission at 1700 nm exhibits a variation of 29% between the metallic and semiconducting states. The VO2 nanoparticles exhibit a significant thermochromic property. The transmittance of the VO2 nanoparticles is improved compared with the VO2 film. The decrease in phase transition temperature and the enhancement of optical properties demonstrate that VO2 film in nanoparticle structure is a viable candidate material for smart windows. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：225 / 230

页数：6

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