Research / 2021 / Article / Fig 1

Research Article

Stable and Efficient Red Perovskite Light-Emitting Diodes Based on Ca2+-Doped CsPbI3 Nanocrystals

Figure 1

(a) XRD patterns of Ca2+-doped CsPbI3 NCs, (b) fine XRD patterns in the region of 27-31°, (c–f) TEM images of Ca2+-doped CsPbI3 NCs, (g–j) HRTEM images of Ca2+-doped CsPbI3 NCs (, 0.35%, 0.40%, 1.20%).