National Changhua University of Education Institutional Repository : Item 987654321/15282
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题名: Photoluminescence Properties of the Zn1−xYxO Tubes Prepared by Polycarbonate Templates
作者: Lin, C. C.;Young, S. L.;Kung, C. Y.;Jhang, M. C.;Kao, M. C.;Chen, H. Z.;Shih, Yu-Tai
贡献者: 物理學系
关键词: Photoluminescence;Polycarbonate template;Tube
日期: 2010-08
上传时间: 2013-01-07T09:25:58Z
出版者: Springer Science+Business Media, LLC.
摘要: 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.
關聯: Journal of Superconductivity and Novel Magnetism, 23(6): 1201-1203
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