Application of 4-triphenylaminoaniline-5-bromosalicylaldehyde Schiff base fluorescent material in multi-level information decryption

The invention discloses an application of a 4-triphenylamine aniline-5-bromosalicylaldehyde Schiff base fluorescent material in multi-level information decryption. The 4-triphenylaminoaniline and 5-bromosalicylaldehyde are subjected to a Schiff base reaction to obtain the 4-triphenylamino-5-bromosalicylaldehyde Schiff base fluorescent material as shown in the formula (I). The compound is simple in preparation mode and high in yield. The 1, 2, 4-triphenylaminoaniline-5-bromosalicylaldehyde Schiff base fluorescent material disclosed by the invention has an aggregation-induced emission property, force-induced discoloration and acid-induced discoloration properties, and can have a very good application prospect in multi-level information decryption. 本发明公开了一种4-三苯胺基苯胺-5-溴水杨醛席夫碱荧光材料在多层级信息解密中的应用。通过4-三苯胺基苯胺与5-溴水杨醛发生席夫碱反应得到如式(I)所示的4-三苯胺基苯胺-5-溴水杨醛席夫碱荧光材料。该化合物制备方式简单、产率高。4-三苯胺基苯胺-5-溴水杨醛席夫碱荧光材料具有聚集诱导发光性能，并具备力致变色和酸致变色性能，能在多层级信息解密中具备很好的应用前景。