Fig. 3
From: Effect of Post Thermal Annealing on the Optical Properties of InP/ZnS Quantum Dot Films
a PL spectra of the InP/ZnS QD film (black line) and after annealing at 180 °C (red line), 200 °C (blue line), and 220 °C (cyan line) for 5 min at room temperature. Insert picture shows the integrated intensities of the PL spectra for different samples. The transmission electron microscopy (TEM) images of the untreated sample (b) and sample annealed at 180 °C for 5 min (c)