Photoluminescent Properties of Y2O3:Tb3+ Nanowires in AAO

Su Wen Li; Ming Yue

doi:10.4028/www.scientific.net/AMR.760-762.821

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 760-762Photoluminescent Properties of Y2O3:Tb3+ Nanowires...

Photoluminescent Properties of Y₂O₃:Tb³⁺ Nanowires in AAO

Abstract:

Uniform Y₂O₃:Tb³⁺ nanowires with diameters of about 70 nm were fabricated using the anodic aluminum oxide template (AAO). The Y₂O₃:Tb³⁺ nanowires and Y₂O₃:Tb³⁺/AAO composite were characterized by using powder X-ray diffraction (XRD), scanning electron microscope (SEM) and spectrofluorometer techniques. The Y₂O₃:Tb³⁺ nanowires are amorphous phase in symmetry as the annealing temperature was lower than 1000 °C. And the cubic Y₂O₃: Tb³⁺ nanowires were formed partly as the annealing temperature approached to 1000 °C. The spectral measurements indicate that the excitation and emission intensity increased with the increasing annealing temperature as well as annealing time. The lifetime of ⁵D₄-⁷F₅ transition becomes longer with the increasing annealing temperature and time in Y₂O₃:Tb³⁺/AAO composite.

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Advanced Materials Research (Volumes 760-762)

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821-824

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https://doi.org/10.4028/www.scientific.net/AMR.760-762.821

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September 2013

Authors:

Su Wen Li, Ming Yue

Keywords:

AAO, Naowires, Photoluminescence Properties, Y₂O₃:Tb³⁺

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