Poly(vinyl alcohol) Hydrogels: The Old and New Functional Materials

Figure 6

PVA-based functional hydrogels with their applications in: (a) remote triggered liquefaction [127], (b) biocompatible and wearable skin sensors [120], (c) anticounterfeiting materials [135], and (d) solar water purification [139].

(a)

(b)

(c)

(d)