Fig. 5From: Biocompatible Fluorescent Core-Shell Nanoconjugates Based on Chitosan/Bi2S3 Quantum DotsPL spectra of Bi2S3 nanoconjugates: (a) QD_CHI0.33_3.5, (b) QD_CHI0.67_3.5, (c) QD_CHI1.33_3.5, and (d) QD_CHI0.67_2.5 (λ excitation = 405 nm). Inset: effect of pH in PL emission and green luminescence of Bi2S3 quantum dots under UV excitation (“dark chamber”). A two-column figureBack to article page