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Synthesis and Luminescence Property Research of LaInO3: Er3 +/Yb3 + Upconversion Materials

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The novel upconversion (UC) luminescence phosphors Er3+/Yb3+ co-doped LaInO3 were synthesized by a solid-state reaction method. X-ray diffraction, scanning electron microscopy (SEM), UC luminescent spectra, as well as the UC emission measurements on sintering temperature and Er3+ concentration were employed to characterize the resulting samples. The optimum synthesis temperature of LaInO3: Er3+/Yb3+ was 1,400 °C, and the optimum Er3+-doping concentration was 2%. Both green (527 nm, 549 nm) and red (665 nm) emission bands were observed in LaInO3: Er3+/Yb3+ under 980 nm laser excitation, which can be assigned to the characteristic level transition of2H11/24I15/2, 4S3/24I15/2 and 4F9/24I15/2 of Er3+, respectively. The dependence of the UC emission on pumping-power indicated that the energy transfer from Yb3+ to Er3+ in the LaInO3 host is a three-photon process. The possible UC luminescent mechanism in LaInO3: Er3+/Yb3+ was discussed in detail.
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Document Type: Research Article

Publication date: December 1, 2014

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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