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Highly efficient transparent Zn2SiO4:Mn phosphor film on quartz glass |
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| Authors: | K.I. Seo J.S. Kim G.C. Kim |
| Affiliation: | a Department of Image System Science and Engineering, Pukyong National University, Pusan 608-739, Republic of Korea b School of Liberal Arts and Education, Korea University of Technology and Education, Cheonan 330-708, Republic of Korea c School of Mechatronics Engineering, Korea University of Technology and Education, Cheonan 330-708, Republic of Korea |
| Abstract: | Highly efficient transparent Zn2SiO4:Mn2+ film phosphors on quartz substrates were deposited by the thermal diffusion of sputtered ZnO:Mn film. They show a textured structure with some preferred orientations. Our film phosphor shows, for the best photoluminescence (PL) brightness, a green PL brightness of about 20% of a commercial Zn2SiO4:Mn2+ powder phosphor screen. The film shows a high transmittance of more than 10% at the red-color region. The excellence in PL brightness and transmittance can be explained in terms of the textured crystal growth with a continuous gradient of Zn2SiO4: Mn2+ crystals. |
| Keywords: | 78.20.Ci 78.55.&minus m 78.66.&minus w |
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