Fig. 7From: Influence of the Shell Thickness and Ratio Between Core Elements on Photostability of the CdTe/CdS Core/Shell Quantum Dots Embedded in a Polymer MatrixSchematic representation of the three-step photooxidation process of CdTe/CdS core/shell nanocrystal: 1—the anion vacancies oxidation, 2—oxidation of bare CdTe core, and 3—oxidation of passivated area of the core due to oxygen diffusion through the CdS shellBack to article page