Abstract
The monodisperse array and nanowires of Y 2O 3:Eu 3+ phosphor were synthesized using anodic aluminum oxide (AAO) template by sol–gel method. Scanning electron microscope (SEM) images indicated that Y 2O 3:Eu 3+ nanowires are parallelly arranged, all of which are in uniform diameter of about 50 nm. The high-magnification SEM image showed that each nanowire is composed of a lot of agglutinating particles. The patterns of selected-area electron diffraction confirmed that Y 2O 3:Eu 3+ nanowires mainly consist of polycrystalline materials. Excitation and emission spectra of Y 2O 3:Eu 3+/AAO composite films were measured. The characteristic red emission peak of Eu 3+ ion attributed to 5D 0→ 7F 2 transition in Y 2O 3:Eu 3+/AAO nanowires broadened its halfwidth.
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