Recent Advances on Renewable and Biodegradable Cellulose Nanopaper Substrates for Transparent Light-Harvesting Devices: Interaction with Humid Environment

Figure 8

(a) FE-SEM surface micrographs of as prepared CNF nanopaper; (b) the same nanopaper after reaction with acetic anhydride (Ac₂O); (c) the same nanopaper after overacetylation. Reproduced from reference [44] with permission from Springer.

(a)

(b)

(c)