Multicolor luminescence and triple-mode emission of simple CaTiO<sub>3</sub>:Pr<sup>3+</sup>,Er<sup>3+</sup>particles for advanced anti-counterfeiting
Zhenbin Wang, Peng-Xiang Pei, Dongjie Bai, Shanshan Zhao, Xinyu Ma, Weisheng Liu
Abstract
The multilevel anticounterfeiting QR code readily integrates the advantages of excitation wavelength-dependent PL emissions, a strong red afterglow and sensitive excitation power-dependent UCL emissions in one overall device.
Topics & Concepts
AfterglowExcitationLuminescenceAtomic physicsSimple (philosophy)WavelengthExcitation wavelengthMode (computer interface)Materials sciencePower (physics)PhysicsAnalytical Chemistry (journal)OptoelectronicsChemistryComputer scienceQuantum mechanicsEpistemologyGamma-ray burstChromatographyPhilosophyOperating systemLuminescence and Fluorescent MaterialsLuminescence Properties of Advanced MaterialsQuantum Dots Synthesis And Properties