A facile synthesis of 1,3,6,8-pyrenesulfonic acid tetrasodium salt as a hydrosoluble fluorescent ink for anti-counterfeiting applications

Abstract

In this work, 1,3,6,8-pyrenesulfonic acid sodium salt (PTSA) was successfully synthesized via a one-step sulfonating reaction and exhibited the potential in anti-counterfeiting.

Pyrene-based aggregation-induced emission luminogens (AIEgens) with less colour migration for anti-counterfeiting applications

“…On the other hand, pyrene derivatives can also be used to prepare fluorescent inks for the preparation of fluorescence labels by writing and printing. [32][33][34][35] Much effort has been devoted to the functionalization of pyrene in order to improve the fluorescence properties. [36] Most of the efficient strategies involve transforming pyrene-based ACQ luminogens to AIE through the adjustment of the twist conformation of the substituents.…”

Preparation of 1, 3, 6, 8-Pyrenesulfonic Acid Tetrasodium Salt Dye-Doped Silica Nanoparticles and Their Application in Water-Based Anti-Counterfeit Ink

“…PTSA was prepared by our laboratory [ 5 ]. Triton X-100 and n-hexanol were from Tianjin Guangfu Fine Chemical Research Institute (Tianjin, China).…”

“…In the past several years, various fluorescent materials have been explored in the preparation of water-based anti-counterfeit ink, such as organic fluorescent dyes [ 4 , 5 ], rare-earth luminescent materials [ 6 , 7 , 8 ], carbon dots [ 9 , 10 , 11 , 12 ], organic polymers [ 13 , 14 ] etc. Compared with other fluorescent materials, organic fluorescent dyes have the advantages of easy access to raw materials, more variety, bright colors and a low cost.…”

Photochromic and fluorescent ink using photoluminescent strontium aluminate pigment and screen printing towards anticounterfeiting documents

“…[1][2][3] Vital requirements for developing a new generation of advanced anticounterfeiting systems have prompted extensive research on novel anticounterfeiting materials. [4] Optical fictionalization by the characteristics of being easy to read and hard to copy has been a typical security aspect in the anticounterfeiting systems. Various optical functional systems using anticounterfeiting materials, such as photoluminescent and plasmonic nanomaterials, as well as quantum dots have been effectively developed.…”