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Photoluminescence Properties of Zinc Oxide in Barium and Fluorine Silicate Glasses

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Zinc oxide (ZnO) was embedded in barium and fluorine silicate glass matrices, and luminescence properties of as-prepared glass samples were studied. For the fluorine-free glasses, a blue emission was observed. With partial substitution of BaF2 for BaO in glass compositions, emission spectra of glasses show an obvious blue shift to the near-UV region. For the BaO-free glasses, the dominant UV emission shifts to the near-band-edge exciton emission position of ZnO and also shows a red shift with increasing BaF2. At the same time, a visible emission shoulder appears in the blue to green region and becomes weak with introduction of increasing BaF2.
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Document Type: Research Article

Affiliations: Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, Shanghai 200237, China

Publication date: April 1, 2007

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