Synthesis, crystal growth and characterization of organic nonlinear optical co-crystal: 4-N, N-dimethylamino-4'-N'-methyl-stilbazolium (3-nitrobenzenesulfonate)_(0.6)I_(0.4)

摘要

This report presents the synthesis, growth, crystal structure determination and second-harmonic generation efficiency of nonlinear optical co-crystal 4-N, N-dimethylamino-4'-N'-methyl-stilbazolium (m-nitrobenzenesulfonate)_(0.6)I_(0.4) (DSIMNS). It is co-crystal of two DAST (4-N, N-dimethylamino -4'-N'-methyl-stilbazolium tosylate) derivatives. X-ray crystallographic analyses revealed that the crystal structure of DSIMNS is monoclinic, with space group P2_1. Kurtz powder test has shown that DSIMNS exhibits a large second-harmonic generation efficiency 500 times of that of urea.