Table 2 PL peak and FWHM data of the QTD perovskite/interface modification layer/PEDOT/ITO structures with different PEABr mixing ratios (60%, 80%, and 100%)
Samples | 60% PEABr | 60% PEABr with CsCl | 60% PEABr with CsBr | 80% PEABr | 80% PEABr with CsCl | 80% PEABr with CsBr | 100% PEABr | 100% PEABr with CsCl | 100% PEABr with CsBr |
---|---|---|---|---|---|---|---|---|---|
Peak (nm) | 489.4 | 490 | 490.6 | 488 | 488.6 | 489 | 487.4 | 487.6 | 488 |
FWHM (nm) | 22.61 | 23.31 | 20.15 | 21.73 | 24.75 | 25.61 | 20.87 | 21.35 | 21.25 |