Fig. 3 | Scientific Reports

Fig. 3

From: Sustainable carbon quantum dots synthesized from yeast β-glucan as a promising nanomaterial for biological applications

Fig. 3The alternative text for this image may have been generated using AI.

Optical characterization of the synthesized CQDs. (a) UV-visible absorption spectrum showing a maximum peak at 201 nm. (b) PL analysis of CQDs across pH 1–4, with a maximum excitation wavelength at 320 nm, resulting in the highest emission at 380 nm. The strongest PL intensity was observed at pH 2.

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