Lattice-site engineering in ZnGa<sub>2</sub>O<sub>4</sub>:Cr<sup>3+</sup> through Li<sup>+</sup> doping for dynamic luminescence and advanced optical anti-counterfeiting
Junqing Xiahou, Qi Zhu, Lin Zhu, Sai Huang, Tao Zhang, Xudong Sun, Ji‐Guang Li
Abstract
Doping Li + resulted in oxygen vacancies and green-yellow emission. Changing the excitation wavelength/temperature yielded varied visible/NIR lights and afterglows, which contributed to a dynamic luminescence.
Topics & Concepts
LuminescenceMaterials scienceDopingExcitationPersistent luminescenceExcitation wavelengthPhotoluminescenceWavelengthAnalytical Chemistry (journal)PhotochemistryOptoelectronicsThermoluminescenceChemistryPhysicsQuantum mechanicsChromatographyLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsAdvanced Photocatalysis Techniques