Trap engineering through chemical doping for ultralong X-ray persistent luminescence and anti-thermal quenching in Zn<sub>2</sub>GeO<sub>4</sub>
Annu Balhara, Santosh K. Gupta, Malini Abraham, Brindaban Modak, Subrata Das, Chandrani Nayak, Harshini V. Annadata, Mohit Tyagi
Abstract
Temperature-dependent photoluminescence to understand negative thermal quenching in Zn 2 GeO 4 , and Pr 3+ doping for trap tuning and the enhanced formation of defect states leading to ultralong (>18 h) X-ray persistent luminescence.
Topics & Concepts
LuminescenceMaterials scienceQuenching (fluorescence)DopingPhotoluminescencePersistent luminescenceTrap (plumbing)ThermalOptoelectronicsAnalytical Chemistry (journal)FluorescenceOpticsThermodynamicsOrganic chemistryChemistryPhysicsMeteorologyThermoluminescenceLuminescence Properties of Advanced MaterialsOptical properties and cooling technologies in crystalline materialsThermal Expansion and Ionic Conductivity