Fig. 1. The SEM images of the coatings with different mass ratios of PDMS to HYSZ
(a): 1∶9; (b): 3∶7

Fig. 2. The near-infrared spectra of the coatings with different mass ratios of PDMS to HYSZ

Fig. 3. The water contact angles of the coatings with different mass ratios of PDMS to HYSZ
(a): 0∶10; (b): 1∶9; (c): 2∶8; (d): 3∶7; (e): 4∶6

Fig. 4. The SEM images of the coatings with different addition amounts of DOP
(a): 10%; (b): 20%

Fig. 5. The near-infrared spectra of the coatings with different addition amounts of DOP

Fig. 6. The water contact angles of the coatings with different addition amounts of DOP
(a): 10%; (b): 20%; (c): 30%

Fig. 7. The SEM images of the coatings with different addition amounts of total filler
(a): 30%; (b): 50%

Fig. 8. The near-infrared spectra of the coatings with different addition amounts of total filler

Fig. 9. The water contact angles of the coatings with different addition amounts of total filler
(a): 20%; (b): 30%; (c): 40%; (d): 50%

Fig. 10. The SEM images of the coatings with different mass ratios of Sm₂O₃ to nano-SiO₂
(a): 6∶4; (b): 5∶5

Fig. 11. The near-infrared spectra of the coatings with different mass ratios of Sm₂O₃ to nano-SiO₂

Fig. 12. The water contact angles of the coatings with different mass ratios of Sm₂O₃ to nano-SiO₂
(a): 6∶4; (b): 5.5∶4.5; (c): 5∶5; (d): 4.5∶5.5