Phonon Spectra of Small Colloidal II-VI Semiconductor Nanocrystals

Figure 1

First-order Raman spectra of CdTe (a), CdSe (b), and CdS (c) NCs in the range of LO phonon with multi-Lorentzian fitting. Indicated is the assignment of the phonon modes.

(a)

(b)

(c)