Is there any more concentrated solvent other than chloroform that dissolves N, N′-Dioctyl-3,4,9,10-perylenedicarboximide (PTCDI-C8) completely and homogeneously? The aim here is to make a film coating on glass through the solution. (Ethyl alcohol, methyl alcohol, toluene, hexane, chlorobenzene, dimethyl sulfoxide, dimethylformamide were tried.)

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