Luminescent properties of Al2O3:Tb3+ powders embedded in polyethylene terephthalate films
Source abstract
Abstract
Abstract The luminescent properties of Al 2 O 3 :Tb 3+ powders embedded in polyethylene terephthalate (PET) films have been studied. Luminescent Al 2 O 3 :Tb 3+ polycrystalline powders were synthesized by a simple evaporation method. The powder embedded films were obtained by the spray pyrolysis technique. The photoluminescence and cathodoluminescence emission spectra from these samples show, in both cases, luminescence peaks associated with transitions within the electronic energy levels of Tb 3+ ions. The dominant peak is at 544 nm corresponding to the 5 D 4 to 7 F 5 transition. In the case of the powder embedded films, the CIE coordinates depend on the excitation wavelength because there is a blue emission contribution from the PET host. UV–Vis% transmission measurements on these films show that they are transparent (∼80% and 95% T).
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Luminescence and Fluorescent Materials · Glass properties and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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