LUMINESCENT LANTHANIDE COMPLEX AND ARTICLES AND INKS CONTAINING THE LUMINESCENT COMPLEX

摘要

Luminescent lanthanide complex and inks containing the complex as well as its method of production and article including the complex, wherein the complex includes the formula: wherein M is chosen from the alkali cations Li +, Na+, K+, Rb+and Cs+ and mixtures thereof and is present to neutralize charge of the complex; wherein Ln is chosen from the trivalent rare-earth cations of Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb and mixtures thereof; wherein R is a C5 to C6 heteroaryl: wherein Y is an optionally substituted C3-C8 heterocycloalkyl moiety linked to R by an N atom; wherein n is an integer of 3 or 5; and wherein x is an integer of 0 or 1.