Detection of Metal Ions and Protons with a New Blue Fluorescent Bis(1,8-Naphthalimide)

Table 1

Photophysical characteristics of Bis2.

Solvent	𝜆𝐴	𝜆𝐹	𝜈𝐴−𝜈𝐹	𝜀	Φ𝐹
	nm	nm	cm^−1	L mol^−1 cm^−1
Dimethyl sulfoxide	351	443	5917	20090	0.004
N,N-dimethylformamide	349	438	5822	20169	0.008
Acetonitrile	347	435	5670	19175	0.008
Ethanol	346	435	5913	20773	0.002
Acetone	347	430	5563	20773	0.09
Dichloromethane	350	425	5042	21199	0.19
Chloroform	351	423	4849	23684	0.29