Fig. 1. Influence of the molar ratio of SiO₂ to B₂O₃ on crystallization and optical properties of CsPbI₃ quantum dots glass. (a) Raman spectra and (b) XRD patterns of CsPbI₃ quantum dots; (c) absorption spectra and (d) photoluminescence spectra of quantum dots at different B₂O₃ contents (samples were marked as SiBx-y, x is the molar ratio of B₂O₃, and y is the heat treatment temperature) ^[27]

Fig. 2. Influence of ZnO contents on crystallization and optical properties of CsPbI₃ quantum dots glass. (a) FT-IR spectra^[28]; (b) XRD patterns^[28]; (c) PL spectra^[28]; (d) PL quantum yield^[28] (samples were marked as ZnOx-y-z, x is ZnO molar ratio, y is heat treatment temperature, and z is heat treatment time). Influence of Al₂O₃ contents on optical properties of CsPbBr₃ quantum dots glass. (e) Excitation spectra^[30]; (f) PL spectra^[30] (samples were marked as Al₂O3-x, x is Al₂O₃ molar ratio)

Fig. 3. Effect of different metal oxides (SrO, CaO, and MgO) on crystallization and optical properties of CsPbBr₃ quantum dots glass. (a) XRD patterns; (b) TEM image; (c) PL spectra; (d) PL delay carves (S1, S2, and S3 represent samples doped with SrO, CaO, and MgO, respectively) ^[31]

Fig. 4. Influence of CaF₂ contents on crystallization and optical properties of CsPbBr₃ quantum dots glass. (a) FT-IR spectra ^[32]; (b) Raman spectra^[32]; (c) XRD patterns^[32]; (d) images of CsPbBr₃ quantum dot glass at different heat treatment temperatures and different doping concentrations of CaF₂ under UV lamp^[32]; (e) absorption spectra^[32]; (f) PL spectra of CsPbBr₃ quantum dots^[32]; (g) quantum yields curves of CsPbBr₃ quantum dots under different heat treatment temperature and different CaF₂ contents^[32] (samples were marked as CPBx-y-z,x is CaF₂ doping molar ratio, y is heat treatment temperature, and z is heat treatment time); (h) XRD patterns of the perovskite QDs glasses ^[33]

Fig. 5. Effect of AgO contents on crystallization and optical properties of CsPbBr₃ quantum dots glass. (a) XRD patterns^[34]; (b) TEM image^[34]; (c) PL spectra^[34]; (d) PL delay spectra^[34] (samples were marked as CPBAx-y, x is the molar ratio of AgO doping, and y is the heat treatment temperature). Effect of Ag₂O contents on CsPbBr₃ quantum dots glass. (e) XRD patterns^[35]; (f) infrared spectra^[35]; (g) absorption spectra^[35]; (h) PL spectra^[35] (samples were marked as Gx,x is the AgO doping molar ratio)

Fig. 6. Effect of Dy³⁺ contents on optical properties of CsPbBr₃ quantum dots glass. (a) PL spectra^[37]; (b) CIE color coordinates of glass in different temperature^[37] (illustration is glass sample picture excited in 365 nm) (samples were marked as BSx, x is the molar ratio of Dy³⁺ doping). Effect of Tb³⁺ contents on optical properties of CsPbBr₃ quantum dots glass. (c) PL spectra^[38]; (d) PL delay spectrum^[38]; (e) fluorescence images during temperature rise^[39]. Influence of Eu³⁺/Tm³⁺ co-doping on CsPbBr₃ quantum dots glass. (f) PL spectra of samples excited at 375 nm^[40]; (g) digital images^[40]; (h) corresponding CIE color coordinates^[40]

Fig. 7. Effect of K⁺ contents on optical properties of CsPbBr₃ quantum dots glass. (a) PL spectra^[41]; (b) thermal stability cycles images^[41]. Effect of Rb⁺ contents on optical properties of CsPbBr₃ quantum dots glass. (c) PL spectra^[42]; (d) absorption spectra^[42](x is Rb⁺ doping ratio). Effect of Sn²⁺ contents on optical properties of CsPbBr₃ quantum dots glass. (e) PL spectra^[43]; (f) PL quantum yield curves^[43] (x is Sn²⁺ doping ratio). Effect of Cd²⁺ contents on crystallization and optical properties of CsPbBr₃ quantum dots glass. (g) XRD patterns^[44]; (h) PL spectra^[44]

Fig. 8. Laser induced crystallization of CsPbX₃ quantum dots. (a) Schematic diagram of direct photolithography of color perovskite nanocrystals and patterns^[45]; (b)-(d) multi-pattern based on CsPbBr_3-xI_x nanocrystals^[45]; (e) demonstration of optical information storage application^[47]

Fig. 9. X ray imaging. (a) Schematic of experimental setup; (b)-(d) X ray image of sample^[49]

Fig. 10. White LED is prepared by blue InGaN chip, Ce³⁺∶YAG phosphor, and Gd³⁺ doped CsPbBrI₂ quantum dot glass. (a) PL spectra and corresponding images; (b) CIE coordinates and WLED device photographs; (c) schematic diagram of WLED structure and fluorescence images of glass powder under an UV lamp^[53]