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Title: Photoluminescence Properties of the Zn1−xYxO Tubes Prepared by Polycarbonate Templates
Authors: Lin, C. C.;Young, S. L.;Kung, C. Y.;Jhang, M. C.;Kao, M. C.;Chen, H. Z.;Shih, Yu-Tai
Contributors: 物理學系
Keywords: Photoluminescence;Polycarbonate template;Tube
Date: 2010-08
Issue Date: 2013-01-07T09:25:58Z
Publisher: Springer Science+Business Media, LLC.
Abstract: We have prepared Zn1-x Y x O (x=0 and 0.01) tubes to study its structural and photoluminescent properties. A pore wetting process of porous polycarbonate templates with the liquid precursor and following thermal treatment were utilized for preparing the Zn1-x Y x O tube structure. Using the polycarbonate template with pore size of about 2 μm diameter, the Zn1-x Y x O tubes were obtained. Photoluminescence (PL) spectroscopy was used to measure optical emissions from 350 to 650 nm with a He-Cd laser. The results of the PL spectra show that the Zn1-x Y x O tubes have evident emission peaks at the UV (about 380 nm) and visible (around 500 to 650 nm) region. The emission peak at the UV region was slightly shifted to higher wavelengths with increasing Y content. Meanwhile, the green and yellow emission peaks intensity increases as Y content increases. These results are explained by the structure tuning and oxygen deficiency with the introduction of Y.
Relation: Journal of Superconductivity and Novel Magnetism, 23(6): 1201-1203
Appears in Collections:[物理學系] 期刊論文

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