• Acta Optica Sinica
  • Vol. 39, Issue 4, 0416001 (2019)
Peng Liu1、*, Liping Liang1、*, and Yao Xu2、*
Author Affiliations
  • 1 Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, Shanxi 0 30024, China
  • 2 State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi 710000, China
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    DOI: 10.3788/AOS201939.0416001 Cite this Article Set citation alerts
    Peng Liu, Liping Liang, Yao Xu. Preparation and Characteristics of SiO2/VO2 Double-Layer Thermochromic Coatings for Smart Window[J]. Acta Optica Sinica, 2019, 39(4): 0416001 Copy Citation Text show less
    Preparation procedures of double-layer coatings
    Fig. 1. Preparation procedures of double-layer coatings
    Raman scattering spectra of samples
    Fig. 2. Raman scattering spectra of samples
    Top-view and cross-section SEM images of samples. (a) VSA1; (b) VSB1; (c) VSA2; (d) VSB2
    Fig. 3. Top-view and cross-section SEM images of samples. (a) VSA1; (b) VSB1; (c) VSA2; (d) VSB2
    AFM images and Rq values of samples. (a) VSA1; (b) VSB1; (c) VSA2; (d) VSB2
    Fig. 4. AFM images and Rq values of samples. (a) VSA1; (b) VSB1; (c) VSA2; (d) VSB2
    Transmittance curves of samples at different temperatures
    Fig. 5. Transmittance curves of samples at different temperatures
    Thermal hysteresis loops of samples at wavelength of 2000 nm during heating and cooling processes
    Fig. 6. Thermal hysteresis loops of samples at wavelength of 2000 nm during heating and cooling processes
    SampleBottom layerTop layer
    CA-V(IV)VO2SolASolB
    VSA1
    VSB1
    VSA2
    VSB2
    Table 1. Preparation conditions of double-layer coatings
    SampleTvis,LTvis,HT2000,LT2000,HΔT2000Tsol,LTsol,HΔTsol
    VO2 (prepared)55.655.586.241.344.962.854.38.5
    VSA1 (prepared)67.165.986.143.742.470.762.68.1
    VSB1 (prepared)68.466.487.347.739.672.063.68.4
    VSA2 (prepared)79.377.990.170.619.582.577.94.6
    VSB2 (prepared)83.980.393.675.717.985.578.94.0
    porous VO2[27]71.170.272.965.07.9
    VO2 nanoplate [26]70.337.59.3
    VO2/SiO2[21]80.078.992.663.629.081.771.510.2
    VO2/SiO2/TiO2[17]17.818.228.813.615.2
    TiO2(R)/VO2(M)/TiO2(A)[28]30.127.849.533.823.610.2
    VO2-SiO2[29]48.543.257.452.937.215.7
    Table 2. Summary of optical parameters of samples%
    SampleTransition temperatureHysteresis width ΔT
    ThTtTc
    VO254.548.843.111.4
    VSB158.451.243.914.5
    Table 3. Parameters derived from hysteresis loops of samples at wavelength of 2000 nm during heating and cooling processes℃
    Peng Liu, Liping Liang, Yao Xu. Preparation and Characteristics of SiO2/VO2 Double-Layer Thermochromic Coatings for Smart Window[J]. Acta Optica Sinica, 2019, 39(4): 0416001
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