Controllable persistent luminescence in bismuth activated memory phosphors by trap management for artificial intelligence anti-counterfeiting
Dangli Gao, Chengxue Du, Yuqiang Wang, Yuqiang Wang, Wenqian Xu, Wenna Gao, Qing Pang, Yuhua Wang, Yuhua Wang
Abstract
We successfully developed a series of LLGO Bi 3+ :Ln 3+ phosphors with multicolour and multimode luminescence for information storage and anti-counterfeiting by deliberately manipulating the trap state and carrier transport process.
Topics & Concepts
Materials sciencePhosphorTrap (plumbing)BismuthLuminescencePersistent luminescenceOptoelectronicsNanotechnologyMetallurgyEnvironmental engineeringThermoluminescenceEngineeringLuminescence Properties of Advanced MaterialsRadiation Detection and Scintillator Technologiesbioluminescence and chemiluminescence research