Shape-Controlled Synthesis and Upconversion Luminescence of Y2O3:Yb, Er Microstructures
来源期刊：JOURNAL OF RARE EARTHS2004年增刊第1期
论文作者：De Gejihu QIN Weiping Zhao Dan Zhang Jisen
Key words：upconversion luminescence; Y2O3: Yb3 +,Er3 + microstructures; rare earths;
Abstract: 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 spectra were studied under 978 nm laser diode excitation.In Yb3 + and Er3 + codoped Y2 O3 microcrystals, the relative intensity of green emission became stronger as the morphology of sample changed from wires to films.
De Gejihu1，QIN Weiping1，Zhao Dan1，Zhang Jisen1
(1.Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130033, China)
Abstract: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 spectra were studied under 978 nm laser diode excitation.In Yb3 + and Er3 + codoped Y2 O3 microcrystals, the relative intensity of green emission became stronger as the morphology of sample changed from wires to films.
Key words:upconversion luminescence; Y2O3: Yb3 +,Er3 + microstructures; rare earths;
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