PLQYs and photophysical parameters of radicals in dichloromethane.

	λ em (nm)	Φ f (%)	τ/ns	k f/107 s−1	k nr/107 s−1
PyBTMa	585	2	6.4	0.3	14
F2PyBTMb	566	4	12.5	0.3	7.7
PyPBTM	654	9.5	12	0.8	7.5
MesPyBTM	645	30	26	1.2	2.7
Mes2PyBTM	628	47	38	1.2	1.4
Mes2F2PyBTM	623	66	44	1.5	0.8

^aCited from ref. 11.

^bCited from ref. 18. All Φ_fs were obtained by absolute PLQY measurement.