Shape-Controlled Synthesis and Upconversion Luminescence of Y2O3: Yb, Er Microstructures

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The Y2O3: Yb3+ , Er3 + microstructures were fabricated by a hydrothermal method without surfactants.The microstructures structure was characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM,KYKY 1000B).The up-conversion luminescence
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