Tuning multicolour emission of Zn<sub>2</sub>GeO<sub>4</sub>:Mn phosphors by Li<sup>+</sup> doping for information encryption and anti-counterfeiting applications
Dangli Gao, Kaiwei Ma, Peng Wang, Xiangyu Zhang, Qing Pang, H.X. Xin, Zihan Zhang, Huan Jiao
Abstract
By tuning Li + doping concentrations, a gradual colour output and a tuneable afterglow duration have been achieved in Zn 2 GeO 4 :Mn,Li and NaLiGe 4 O 9 :Mn phosphors, which exhibit excellent performance for anti-counterfeiting applications.
Topics & Concepts
AfterglowPhosphorLuminescencePhotoluminescenceDopingMaterials sciencePersistent luminescenceExcitationOptoelectronicsAnalytical Chemistry (journal)NanotechnologyChemistryPhysicsThermoluminescenceQuantum mechanicsAstronomyGamma-ray burstChromatographyLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsAdvanced Photocatalysis Techniques