Table 2. Summary of the Optical Properties of Highly Emissive 0D 5s2 Metal Halide Compounds.
| compound | coordination unit | Eexc/abs (nm) | Eem (nm) | Stokes shift (eV) | FWHM (eV) | PLQY (%) | lifetime (μs) | ref |
|---|---|---|---|---|---|---|---|---|
| Cs4SnBr6 | MX6 | 340 | 540 | 1.28 | 0.51 | 15 | 0.54 | (37) |
| HDM3SnBr8 | MX6 | 350 | 600 | 1.60 | 0.44 | 86 | 3.12 | (120) |
| (C4N2H14Br)4SnBr6 | MX6 | 355 | 570 | 1.32 | 0.40 | 95 | 2.2 | (19) |
| (PEA)6SnBr8[CCl2H2]2 | MX6 | 340 | 566 | 1.46 | 0.44 | 89.5 | 2.7 | (121) |
| (C4N2H14I)4SnI6 | MX6 | 410 | 620 | 1.02 | 0.38 | 75 | 1.1 | (19) |
| (bmpip)2SnBr4 | MX4 | 350 | 658 | 1.66 | 0.37 | 75 | 4 | (34) |
| (C6H22N4Cl3)SnCl3 | MX3 | 280 | 638 | 2.48 | 0.42 | 7.6 | (71) | |
| Bzmim3SbCl6 | MX6 | 342 | 525 | 1.26 | 87.5 | 2.4 | (85) | |
| Bzmim2SbCl5 | MX5 | 375 | 600 | 1.24 | 22.3 | 2.6 | (85) | |
| Bmim2SbCl5 | MX5 | 370 | 583 | 1.22 | 86.3 | 4.26 | (18) | |
| (C9NH20)2SbCl5 | MX5 | 380 | 590 | 1.16 | 0.43 | 98 | 4.2 | (19) |
| TTA2SbCl5 | MX5 | 370 | 625 | 1.37 | 0.45 | 86 | 7.5 | (38) |
| TEBA2SbCl5 | MX5 | 360 | 590 | 1.34 | 0.48 | 98 | 7.7 | (38) |
| (Ph4P)2SbCl5 | MX5 | 375 | 648 | 1.39 | 0.41 | 87 | 4.6 | (122) |
| (PPN)2SbCl5 | MX5 | 410 | 635 | 1.07 | 0.44 | 98.1 | 4.1 | (119) |
| Rb7Sb3Cl16 | MX6, M2X10 | 365 | 560 | 1.16 | 0.53 | 3.8 | 0.2 | (79) |