VO2热致变色智能窗: 现状、挑战及展望

徐放, 金平实, 罗宏杰, 曹逊

VO2 Thermochromic Smart Window: Status, Challenges and Prospects

XU Fang, JIN Pingshi, LUO Hongjie, CAO Xun

图3 多层膜结构设计

Fig. 3 Multilayer film structure design (a) 3D surface image of the luminous transmittance (Tlum, lt) calculation of the Cr2O3/VO2 (80 nm)/SiO2 multilayer structure on the thickness design of Cr2O3 (bottom layer) and SiO2 (top layer); (b) Transmittance spectra (350-2600 nm) at 25 (solid lines) and 90 ℃ (dashed lines) for the CVS structures with various thicknesses of SiO2 layers[26]; (c) Schematic illustration of H2O/VO2 film; (d) Transmittance spectra of VO2 films with and without H2O layer[24]; (e) Schematic illustration of SA/Glass/TVT structure; (f) Transmittance spectra in visible-NIR region at room temperature (25 ℃) and 95 ℃ of SA/Glass/TVT structure[25]. SA: SiO2/AZO (300 nm)/Glass Colourful figures are available on website