Xin WANG, Wenjie HU, Yao XU. Thermochromic Film Based on VO2@SiO2 Core-shell Nanoparticles[J]. Acta Photonica Sinica, 2021, 50(7): 220
- Acta Photonica Sinica
- Vol. 50, Issue 7, 220 (2021)
Fig. 1. Preparation process of VO2@SiO2
Fig. 2. XRD patterns of VO（OH）2@SiO2 after heat treatment at different temperatures for 30 minutes
Fig. 3. TEM images of VO（OH）2， VO（OH）2@SiO2， VO2@SiO2 and HRTEM images of VO2@SiO2
Fig. 4. STEM images of Nanoparticles， and element mapping of V， Si， and V+Si
Fig. 5. ΔT sol-T vis curves of composite films containing different mass fractions of nanoparticles
Fig. 6. Transmittance curves of film at different temperatures ， parameters derived from hysteresis loops and the derivative of film at wavelength of 1500 nm during heating and cooling processes
Fig. 7. XRD patterns of VO2 and VO2@SiO2 after damp heating treatment
Fig. 8. Transmittance curves of film prepared byVO2 and VO2@SiO2 at different temperatures after damp heating treatment
Fig. 9. VO2 and VO2@SiO2 over time images in a solution of hydrochloric acid at pH 1
Fig. 10. Temperature curves of model houses with and without VO2@SiO2 thermochromic film
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