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. 2019 Nov 28;59(1):457–464. doi: 10.1002/anie.201911109

Scheme 2.

Scheme 2

a) Steady‐state Stern–Volmer experiment of PC‐I [Ir(dtbpy)(bpy)2]PF6 and sodium 4‐cyano phenylsulfinate (3 d). b) Combined quenching data of steady‐state and time‐resolved studies. c) Phosphorescence lifetimes of *PC‐I (0.00001 m) at different concentrations of quencher 3 d. d) Stern–Volmer analysis yielded a rate constant, k ET of (5.18±0.23)×109 L mol−1 s−1 by the SET between *PC‐I and 3 d.