It is shown experimentally that the ketene dithioacetal group is very effective as an electron-donating group in the design and synthesis of thermally stable and efficient second-order nonlinear optical chromophores.
实验表明,烯酮二
硫缩醛基团作为给电子基团在设计和合成热稳定且高效的二阶非线性光学发色团中非常有效。