Fig. 1. Nanocrystals for device applications^［22］

Fig. 2. Schematic diagram of the preparation method of hybrid composites^［30］

Fig. 3. True color images of several NaCl-based mixed crystals^［32］

Fig. 4. Schematic diagram of CdSe core adsorption using Cd^2+［42］

Fig. 5. Schematic diagram of quantum dot polymer encapsulation^［46］

Fig. 6. Schematic diagram of preparation process^［49］

Fig. 7. Light-emitting flexible film^［52］

Fig. 8. Remote excitation of scattered particles.（a）~（d）Pure quantum dot films；（e）~（h）Quantum dot films containing light-dissipating particles^［61］.

Fig. 9. Array microscope images^［65］

Fig. 10. Schematic diagram of LED device with microstructured quantum dot film^［69］

Fig. 11. Process flow of nano-ring LEDs^［75］

Fig. 12. Illustration of photolithography process for patterning of quantum dots^［80］

Fig. 13. Schematic diagram of perovskite pattern lithography^［84］

Fig. 14. Gravure printing transfer high resolution full color quantum dot LED^［90］