Luminescence and application of red-emitting phosphors of Eu3+-activated R2Zr3(MoO4)9 (R = La, Sm, Gd)
Source abstract
Abstract
New red-emitting phosphors R2Zr3(MoO4)9:Eu3+ (R = La, Sm, Gd) were prepared using the convenient solid-state reaction method. The samples were characterized by X-ray powder diffraction (XRD) measurements and structural refinements. The luminescence properties were investigated by photoluminescence spectra, decay curves, and absolute internal quantum efficiency (QE). The phosphors exhibited bright red luminescence corresponding to the electric dipole transition 5D0→7F2 at 615 nm under near UV light excitation. The thermal stability of the luminescence was investigated using temperature-dependent intensities at temperatures from 20 to 170°C. The results indicate that Gd2Zr3(MoO4)9:Eu3+ could be potentially considered for lighting due to its qualities, including their excitation spectra, QEs, red color coordinates, and thermal stability.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Radiation Detection and Scintillator Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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