Fig. 4From: Mechanochemistry of Chitosan-Coated Zinc Sulfide (ZnS) Nanocrystals for Bio-imaging Applications a UV–Vis spectra of pure chitosan (black curve) and chitosan-coated ZnS nanocrystals (red curve); inset: Tauc relation. b PL spectrum of chitosan-coated ZnS nanocrystalsBack to article page