Self-assembly of organogels via new luminol imide derivatives: diverse nanostructures and substituent chain effect

Table 1 Gelation behaviors of luminol imide derivatives at room temperature

Solvents	SC16-Lu	TC18-Lu	TC16-Lu	TC14-Lu	TC12-Lu
Acetone	I	I	G (1.5)	I	PS
Aniline	S	G (2.0)	G (2.0)	G (1.5)	PS
Toluene	PS	PS	I	PS	PS
Pyridine	S	S	G (2.0)	S	S
Isopropanol	PS	G (2.5)	G (2.0)	PS	PS
Cyclopentanone	PS	G (2.0)	G (1.5)	PS	PS
Cyclohexanone	PS	PS	G (2.0)	PS	PS
Nitrobenzene	S	G (2.0)	G (2.0)	G (2.0)	PS
n-Butanol	PS	G (2.5)	G (2.0)	PS	PS
Ethanolamine	G (2.0)	PS	I	S	PS
n-Butyl acrylate	PS	PS	S	PS	PS
1,4-Dioxane	PS	G (2.5)	G (2.0)	S	PS
Petroleum ether	S	G (2.0)	S	S	PS
Ethyl acetate	PS	PS	S	PS	PS
Dichloromethane	PS	S	S	S	S
THF	I	PS	S	PS	PS
DMF	PS	G (2.0)	G (1.5)	G (1.5)	S
DMSO	G (2.5)	PS	I	G (2.0)	PS
Ethanol	PS	G (2.0)	G (2.0)	PS	PS
Benzene	PS	PS	I	S	PS
Tetrachloromethane	PS	PS	PS	S	S
Acetonitrile	PS	PS	PS	PS	PS
Methanol	PS	PS	S	PS	PS
n-Pentanol	PS	G (2.5)	G (2.0)	PS	PS
Cyclopentanol	PS	G (2.0)	S	PS	PS
Formaldehyde (aq.)	PS	PS	PS	PS	PS

DMF dimethylformamide, THF tetrahydrofuran, DMSO dimethyl sulfoxide, S solution, PS, partially soluble, G gel, I insoluble. For gels, the critical gelation concentrations at room temperature are shown in parentheses (% w/v).