Table 1.
λabs a) [nm] (logε) | λem [nm] CH2Cl2 a) /filmb) | PLQY THFa) /filmb) | τp [ns] CH2Cl2 a) /filmb) | HOMO/LUMOc) [eV] | |
---|---|---|---|---|---|
H‐Pt | 248 (4.81), 284 (4.55), 369 (4.11) | 484, 513/513, 620 | 0.54/0.24 | 232/247 | −5.18/−2.49 |
tBu‐Pt | 248 (4.75), 286 (4.56), 369 (4.14) | 488, 518/708 | 0.68/0.55 | 218/107 | −5.17/−2.50 |
F‐Pt | 246 (4.88), 282 (4.60), 363 (4.14) | 467, 496/727 | 0.11/0.74 | 266/314 | −5.28/−2.56 |
The λabs and λem were measured in CH2Cl2 at a concentration of 2 × 10−5 m; the PLQY was measured in degassed THF relative to fac‐[Ir(ppy)3] (PLQY = 0.97); the τp was recorded in CH2Cl2
Measured in neat films
Estimated from the oxidation/reduction peak potentials.