Table 1 Analysis of the element ratio of CsPbBr3 thin films prepared under different evaporation rate ratios
From: Vacuum Evaporation of High-Quality CsPbBr3 Thin Films for Efficient Light-Emitting Diodes
Element | Evaporation ratio (PbBr2:CsBr) | |||
|---|---|---|---|---|
Atomic percentage | ||||
1.14:1 | 2:1 | 3:1 | 4:1 | |
Br | 58.40 | 62.07 | 62.43 | 64.39 |
Cs | 30.80 | 20.66 | 18.46 | 16.22 |
Pb | 10.78 | 17.27 | 19.12 | 19.39 |
Total | 100.00 | 100.00 | 100.00 | 100.00 |