Synthesis, photoluminescence and Judd–Ofelt parameters of LiNa3P2O7:Eu3+ orthorhombic microstructures
Source abstract
Abstract
We report, for the first time, the photoluminescence properties of Eu3+-doped LiNa3P2O7 phosphor, synthesized by a facile solid-state reaction method in air atmosphere. The crystal structure and phase purity of the phosphors were analyzed by X-ray diffraction analysis. Orthorhombic structural morphology was identified by scanning electron microscopy. The phosphate groups in the phosphor were confirmed by Fourier transform infrared analysis. Bandgap of the phosphor was calculated from the diffuse reflectance spectra data using Kubelka–Munk function. Under 395-nm UV excitation, the phosphors show signs of emitting red color due to the 5D0 → 7F2 transition. In accordance with Judd–Ofelt theory, spectroscopic parameters such as oscillator intensity parameter Ω t (t = 2), spontaneous emission probabilities, fluorescence branching ratios and radiative lifetimes were calculated and analyzed for the first time in this system.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Microwave Dielectric Ceramics Synthesis · Photorefractive and Nonlinear Optics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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