Figure 3

(A) UV/VIS absorption spectrum of CND (Inset (i) Normalized absorbance and excitation (ii) Magnified absorbance ~ 530 nm) (B) Excitation and emission spectrum of CND (C) Normalized PL of CND from 300 to 530 nm (D) pH dependent emission spectra of CND in aqueous solution (E) Temperature dependent emission spectra of CND in PBS buffer solution and (F) Normalized degradation plot of CND and Rh6G in ethanol. (I551 stands for fluorescence intensity at 551 nm and error limits for photo-physical experiments is ≤ 5%).