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Nanoscale Research Letters
Figure 1 | Nanoscale Research Letters

Figure 1

From: One-step colloidal synthesis of biocompatible water-soluble ZnS quantum dot/chitosan nanoconjugates

Figure 1

UV–vis spectroscopy analysis. (A) Spectra of ZnS-chitosan conjugates synthesised at different pH. (B) Optical band gap using the Tauc relation of ZnS-chitosan conjugates synthesised at different pH. (a) pH = 4.0, (b) pH = 5.0, (c) pH = 6.0. Inset: analysis of the effect of pH during the synthesis on the average ZnS quantum dot size (2r) and respective band gap energy (EQD).

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