Synthesis and photoluminescent properties of Gd3O4Br:Er3+ phosphors prepared by solid-state reaction method
Source abstract
Abstract
Abstract Pure orthorhombic Gd3O4Br:Er3+ upconversion phosphors were synthesized by a solid-state reaction method and the structural properties of Gd3O4Br:Er3+ were investigated by X-ray diffraction; field emission scanning electron microscopy, Raman spectroscopy and Fourier transform infrared spectroscopy. The results show that Gd3O4Br has low phonon cutoff energy, indicating that Gd3O4Br:Er3+ may have high luminescent efficiency. Intense green (514–582 nm) and strong red (645–692 nm) upconverted luminescence of Gd3O4Br:Er3+ were observed under 980 nm laser excitation. The bright green emission is visible to the naked eyes even for 1 mW of the pump power (980 nm) for Gd3O4Br:Er3+ (0.1%) samples, indicating that Gd3O4Br:Er3+ may be used as upconversion phosphors.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Radiation Detection and Scintillator Technologies · Microwave Dielectric Ceramics Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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