Table 1 Photophysical properties of AIEgens

AIEgens	λ_abs (nm)	λ_em (nm)		τ (ns)^a		Ф (%)^b		α _AIE ^c	E (kcal/mol) ^d
AIEgens	λ_abs (nm)	Soln.	Solid	Soln.	Solid	Soln.	Solid	α _AIE ^c	E (kcal/mol) ^d
TPO-I	317	447	559	0.83	48740	0.77	16.00 (35.00^e)	20.78	−71.43, −70.19
TPO-Br	317	444	434 549	0.40	2.52 ^f 706420 ^g	1.08	17.85 (36.56^e)	16.53	−85.17, −84.37
TPO-Cl	317	443	435	0.39	1.60	1.20	20.05	16.71	/
TPO-F	317	438	420	0.36	0.80	0.65	11.11	17.09	/
TPO-P	317	444	422	0.86	1.02	1.18	18.58	15.75	−63.95, −71.97

^aτ = average fluorescence or phosphorescence lifetime calculated by τ = ΣA_iτ_i²/ΣA_iτ_i, where A_i is the pre-exponential factor for lifetime τ_i
^bФ = fluorescence or phosphorescence quantum yield measured by using an integrating sphere
^cα_AIE = Ф_solid/Ф_soln
^dE = interaction energies between anion and π⁺ calculated based on their single-crystal structures by single-point calculations using the M062X/6–31+G(d,p) method
^ePhosphorescence quantum yield of single crystal
^fAverage fluorescence lifetime at 434 nm
^gAverage phosphorescence lifetime at 549 nm

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