Fig. 1. Schematic illustration of SiO₂ APC construction by spray coating method

Fig. 2. Optical photographs of APC films with different coating times（90°）

Fig. 3. Reflectance spectral curves and CIE 1931 chromaticity diagrams of APC with different coating times

Fig. 4. Optical photographs of APC films at different viewing angles

Fig. 5. Reflection spectral curves and CIE 1931 chromaticity diagrams of dual-size APC

Fig. 6. Reflection spectral curves and CIE 1931 chromaticity diagrams of dual-size APC

Fig. 7. SEM images of dual-size APC（m_{250 nm}∶m_{280 nm}=3∶2）

Fig. 8. Effect of PVP addition on the reflectance spectra of APC

Fig. 9. SEM images of SiO₂/ACET/PVP APC encapsulated by acrylic resin

Fig. 10. Schematic diagram of spray coating and APC patterning