Table 3.

The fluorescence emission maxima (λ_Em), the quantum yields (Φ_f) and the Stokes shifts ($\Delta {\overline{\nu }}_{SS}$ ) determined in various solvents for the 1,5-disubstituted anthracene derivatives.

	1,5-DAA			1,5-ICAA			1,5-MICAA			1,5-DIMICAA
Solvent	λEm (nm)	√f (%)	$\Delta {\overline{\nu }}_{SS}$ (cm−1)	λEm (nm)	√f (%)	$\Delta {\overline{\nu }}_{SS}$ (cm−1)	λEm (nm)	√f (%)	$\Delta {\overline{\nu }}_{SS}$ (cm−1)	λEm (nm)	√f (%)	$\Delta {\overline{\nu }}_{SS}$ (cm−1)
n-Hexane	475	21	3761	527	13	5297	521	12	3954	521	14	5995
Toluene	485	38	3831	532	14	5013	536	11	4438	550	11	6756
DCM	490	40	4162	555	6.7	5963	562	5.9	5408	567	5.9	7116
2-propanol	519	23	5546	572	0.4	5992	571	1.0	5528	571	1.7	7301
THF	493	34	3754	566	2.9	5321	566	3.7	4804	567	4.5	7116
Chloroform	490	12	4717	551	7.8	6006	557	7.0	5249	562	9.7	6959
EtOAc	491	32	3964	563	3.4	5767	564	3.4	5153	568	3.8	7394
Dioxane	492	53	3771	557	6.6	5521	558	7.5	4910	563	9.0	7114
Acetone	497	25	3976	572	1.1	5773	571	1.3	5163	573	1.6	7548
Methanol	516	17	5251	571	0.3	5961	571	0.5	5906	571	0.8	7612
Pyridine	508	22	3956	571	1.3	5961	571	1.5	4660	570	3.7	7026
Acetonitrile	500	28	4390	571	0.9	6184	571	0.8	5528	575	0.9	7423
DMF	506	37	3990	576	0.4	5263	572	0.8	4820	578	0.9	7451
DMSO	511	45	3905	576	0.3	5160	573	0.9	4720	577	1.0	7119
Water	546	3.1	7001	530	0.1	-	559	0.2	6207	567	0.2	7363