Carbon Dots: A Mystic Star in the World of Nanoscience
Figure 15
Tuning of PL for CDs: (a) (i) visible colours observed by the naked eye for different CDs; (ii) PL spectra for blue, green, yellow, and red CDs showed by red, black, green, and blue lines (b) with sp2- and sp3-hybrid functionalities (reproduced with permission from [29, 67]).
