Persistent luminescence of transparent ZnGa<sub>2</sub>O<sub>4</sub>:Cr<sup>3+</sup> thin films from colloidal nanoparticles of tunable size
Encarnación Arroyo, Beatriz Medrán, Victor Castaing, Gabriel Lozano, Manuel Ocaña, Ana Isabel Becerro
Abstract
We report on the fabrication of transparent thin films from colloidal suspensions of ZnGa<sub>2</sub>O<sub>4</sub>:Cr<sup>3+ </sup>nanoparticles and the evaluation, for the first time in the literature, of their persistent red to NIR emission.
Topics & Concepts
Materials scienceNanoparticleLuminescenceColloidThin filmFabricationNanotechnologyAnalytical Chemistry (journal)OptoelectronicsChemical engineeringMedicinePathologyChemistryChromatographyEngineeringAlternative medicineLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsPhotonic Crystals and Applications