Effect of ionic organic additives for the growth of polyene crystals synthesized by Knoevenagel condensations

Analysis of the growth and physicochemical properties of the newly developed stilbazolium derivative 4-N,N-dimethylamino-4-N-methyl stilbazolium 2-formyl benzene sulfonate (DSFS) single crystal: an effective material for nonlinear optical applications

“…Among these methods, Knoevenagel condensation is used widely due to its simplicity. [14][15][16] In the present study, the strategy of combining the stilbazolium (chromophore) cation with a new anion is adopted to develop a novel ionic organic single crystal. This approach of incorporating new counter-anions with an already existing stilbazolium cation has already been reported.…”