Table 7 UV blocking percentages in the UVC, UVB, and UVA regions for pure CMC film and CMC doped with different concentrations of CuO@ZnO core/shell NPs.

From: UV filters and high refractive index materials based on carboxymethyl cellulose sodium and CuO@ZnO core/shell nanoparticles

CMC loaded with CuO@ZnO core/shell (wt%)

UV-blocking %

UVC

UVB

UVA

0

34%

27–34%

23–27%

2

94%

94%

94–97%

4

100%

100%

100%

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