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不同的双－（ｐ－Ｎ，Ｎ－二甲氨基苄叉）酮ＤＭＢＫ和二苯基碘盐（ＤＰＩＯＦ）复合，组成一种新型的电子转移光显色体系，ＤＭＢＫ／ＤＰＩＯＦ复合体系在暗处有良好的热稳定性。在光作用下很快发生从激发态ＤＭＢＫ至ＤＰＩＯＦ的电子转移，并伴随ＤＭＢＫ染料的褪色，测得ＤＭＢＫ光褪色速度的次序为：ＤＭＢＡ＞ＤＭＢＰ＞ＤＭＢＨ。与此同时，电子转移又引起新的光显色反应，对ＤＭＢＡ化合物，在７００ｎｍ处出现新吸收峰。其光密度随光照时间而增长，然而，ＤＭＢＰ和ＤＭＢＨ体系这种光显色现象并未观察到，这可能由于它们的中间产物不能共平面的缘故，ＤＭＢＡ的光显色速度和最大密度明显取决于浓度和溶剂性质。本文对这种短波区光褪色和长波区光显色的光化学反应过程作了讨论。
Different bis- (p-N, N-dimethylaminobenzylidene) ketone DMBK and diphenyl iodide salt (DPIOF) were combined to form a new electron transfer photochromism system. The DMBK / Have good thermal stability. Under the action of light, the electron transfer from excited state DMBK to DPIOF occurs rapidly, accompanied by the discoloration of DMBK dye. The order of DMBK photochromism is DMBA> DMBP> DMBH. At the same time, electron transfer caused a new photochromic reaction with a new absorption peak at 700 nm for the DMBA compound. However, the optical color development of DMBP and DMBH systems was not observed, which may be due to the fact that their intermediate products can not be coplanar, and the light development speed and maximum density of DMBA obviously depend on Concentration and solvent properties. This paper discusses the photochromic and photochromic photochromism in the short wavelength region.