BaWO4：Pr^3＋ （hereafter BWO：Pr） microcrystals were prepared via a hydrothermal route, and characterized by X-ray diffraction （XRD）, scanning electron microscope （SEM）, photoluminescence excitation and emission...BaWO4：Pr^3＋ （hereafter BWO：Pr） microcrystals were prepared via a hydrothermal route, and characterized by X-ray diffraction （XRD）, scanning electron microscope （SEM）, photoluminescence excitation and emission spectra. The as-prepared products with different morphologies of egg-shape rod, olive-like, and quasi-sphere were obtained by the addition of the surfactants and chelating agents. The emis-sion spectra of BWO：Pr microcrystals showed the strong red emission （642 nm） assigned to the Pr^3＋ ions of 3P0→3F2 transition with blue ex-citation （484.6 nm, 3H4→3P0）.展开更多
基金supported by the Natural Science Foundation of Jiangxi Province (2010GZW0022)the Science Program of the Education Office of Jiangxi Province (GJJ10472)
文摘BaWO4：Pr^3＋ （hereafter BWO：Pr） microcrystals were prepared via a hydrothermal route, and characterized by X-ray diffraction （XRD）, scanning electron microscope （SEM）, photoluminescence excitation and emission spectra. The as-prepared products with different morphologies of egg-shape rod, olive-like, and quasi-sphere were obtained by the addition of the surfactants and chelating agents. The emis-sion spectra of BWO：Pr microcrystals showed the strong red emission （642 nm） assigned to the Pr^3＋ ions of 3P0→3F2 transition with blue ex-citation （484.6 nm, 3H4→3P0）.
