The variation of PL peaks parameters (peak position and FWHM) with annealing temperature. The ellipse is drawn to indicate the annealing temperature at which the FWHM of all three peaks is almost equal. Mono-dispersed nano-crystals are observed at this temperature.
Saxena et al. Nanoscale Research Letters 2012 7:547 doi:10.1186/1556-276X-7-547