Quintuple-mode dynamic anti-counterfeiting using multi-mode persistent phosphors
Dangli Gao, Jie Gao, Feng Gao, Qingqing Kuang, Yong Pan, Yafei Chen, Zhengwei Pan
Abstract
Multi-level, dynamic optical anti-counterfeiting has been achieved using multi-mode phosphors as luminescent inks. The ZGGO:Cr,Yb,Er phosphors exhibit quintuple luminescence modes, while the ZLGO:Mn phosphors possess quadruple luminescence modes.
Topics & Concepts
PhosphorLuminescenceMaterials scienceMode (computer interface)OptoelectronicsPersistent luminescenceComputer scienceOperating systemThermoluminescenceLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsTerahertz technology and applications