Figure 2 | Scientific Reports

Figure 2

From: Biomass-derived Carbon Quantum Dots for Visible-Light-Induced Photocatalysis and Label-Free Detection of Fe(III) and Ascorbic acid

Figure 2The alt text for this image may have been generated using AI.

Morphological and microstructural analysis of CQDs. (a) TEM image of CQDs at low magnification, inset: size-distribution histogram; (b) HR-TEM image of CQDs showing their nearly spherical morphology; (c) HR-TEM image of a CQD showing graphitic spacing; (d) FTIR spectrum. High-resolution XPS spectra of the deconvoluted (e) C 1 s peak and (f) O 1 s peak.

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