Fig. 6
From: Lignin nanoparticle-enhanced PVA foils for UVB/UVC protection

Electronic absorption spectra for the PVA film with the addition of spruce (SKL-C1) and eucalyptus (EKL-C1) lignin nanoparticles.
From: Lignin nanoparticle-enhanced PVA foils for UVB/UVC protection

Electronic absorption spectra for the PVA film with the addition of spruce (SKL-C1) and eucalyptus (EKL-C1) lignin nanoparticles.