Fig. 10. (a) Fluorescence images of CQDs synthesized by (i) a hydrothermal method (1 : 1), (ii) microwave method (1 : 1), (iii) microwave method (1 : 2) under UV radiation (excitation 365 nm); (b) the absorption and emission spectra of CQDs in (i), (ii) and (iii) (this figure has been adapted/reproduced from ref. 82 with permission from the Royal Society of Chemistry, Copyright 2018).
