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. 2018 Sep 5;8(55):31337–31347. doi: 10.1039/c8ra04664f

Fig. 3. (a) UV-Vis spectra of GO (black curve), GQD (red curve), CQDCA (green curve) and CQDCH (blue curve); (b) PL spectra of GO; (c) PL spectra of GQD; (d) PL spectra of CQDCA; (e) PL spectra of CQDNH at different excitation wavelengths; (f) PL decay time for GQD (blue curve), CQDCA (black curve) and CQDNH (red curve).

Fig. 3