fig6
Figure 6. Evaluation of the samples’ infrared stealth capabilities. (A-E) Infrared thermal images of the hydrogel samples placed on a heating plate maintained at 80 °C. (F) Infrared thermal image of the 4-PG/P@CoFe hydrogel; (G) Temperature-time curves of the sample surfaces; (H) Thermal insulation mechanism of hydrogel. PG: Polyacrylamide/glycerol.
