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Nanostructured Yb3+/Er3+ co-doped La2O3 with intense green-light emission has been successfully synthesized by solvothermal method with further calcination. The prepared La2O3: Yb3+, Er3+ are composed of approximate spherical nanoparticles with the size of about 50nm. Optical temperature sensing performances depended on the thermally coupled levels of Er3+ are evaluated by analyzing temperature-dependent...
Yb3+/Tm3+ co-doped BaGd2ZnO5 phosphors have been effectively synthesized by traditional sol-gel method. The graph of X-ray diffraction (XRD) exhibited that the obtained phosphors were pure orthorhombic phase. The morphology and composition of the samples were obtained by field emission-scanning electron microscope (FE-SEM) and the energy dispersive spectrometry (EDS). From upconversion luminance (UCL)...
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