Table 1 Best-fitting parameters of the (PEA)2SnI4, (BA)2SnI4, (HA)2SnI4, and (OA)2SnI4 perovskites.

From: Regulation of the luminescence mechanism of two-dimensional tin halide perovskites

Sample

Γ0 (meV)

ΓLO (meV)

ELO (meV)

Γimp (meV)

Eimp (meV)

(PEA)2SnI4

26.8 ± 1

199.3 ± 2

58.5 ± 1

722.3 ± 2

69.7 ± 2

(BA)2SnI4

 63.1 ± 2

272.8 ± 4

56.8 ± 2

1513.3 ± 2

89.9 ± 2

(HA)2SnI4

 41.3 ± 2

254.9 ± 5

56.8 ± 1

881.2 ± 2

82.3 ± 2

(OA)2SnI4

66.2 ± 2

320.2 ± 7

57.85 ± 1

1211.7 ± 2

120.7 ± 2

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