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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%)

From: High-Performance Quasi-Two-Dimensional CsPbBr2.1Cl0.9:PEABr Perovskite Sky-Blue LEDs with an Interface Modification Layer

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

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