Figure 3 | Scientific Reports

Figure 3

From: White carbon: Fluorescent carbon nanoparticles with tunable quantum yield in a reproducible green synthesis

Figure 3

Effect of different N-additive combinations on the (A) PL emission spectra (Exc. 340 nm) of samples prepared at 45 min and 230 °C normalized to PLQY. Effect of reaction temperature on N-CNDs prepared from TAE-buffer 10X (EDTA + Tris) using a reaction time of 45 min, (B) UV-Vis absorption spectra and the inset is the absorbance at six selected wavelength as a function of reaction temperature; and (C) PLQY at 340 nm. (D) FTIR spectra of the as-synthesized carbon nanodots (CND) and nitrogen-doped carbon nanodots (N-CND). TAE-buffer: Tris-acetate-EDTA buffer, EDTA: ethylenediaminetetraacetic acid, Tris: tris(hydroxymethyl)aminomethane.

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