Table 1 Summary of FWHM and peak positions of the narrowband photodetectors extracted from EQE spectra shown in Fig. 3b

From: Self-trapped state enabled filterless narrowband photodetections in 2D layered perovskite single crystals

Perovskite

FWHM (nm)

Peak position (nm)

Thickness (μm)

PbBr4

10

420

60

Pb2Br7

17

455

90

PbI4

30

550

80

Pb2I7

30

620

80

Pb3I10

35

650

50

Pb4I13

55

665

80

Pb5I16

60

690

80