Nonlinear Absorptions of CdSeTe Quantum Dots under Ultrafast Laser Radiation

Figure 2

(a) UV-Vis and PL spectra of CdSeTe QDs samples. (b) TEM image of red-emitting alloyed CdSeTe QDs, where the average size is 3.5 nm. Inset: a high-resolution image displays clear crystal lattice from one of QDs.