Green Fluorescence of Mn-Doped Zn2SiO4 Thin Film Enhanced by Surface Plasmon of Nano-Silver Coating
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概要
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One thin film of Mn-doped ZnO was deposited on a quartz glass in a sputtering system where RF magnetron and DC were employed as power sources. The specimen was removed and annealed in an atmospheric furnace at 1200 °C for 2 h. This annealed specimen was identified as Mn-doped Zn2SiO4 (MZS) crystal. The sample was sputtered to coat it with one Ag film varying in thickness (i.e., 3, 5, and 10 nm), and subjected to rapid thermal annealing (RTA) at 500 °C for 15 min. The post-RTA-treated specimens were denoted as 3 Ag(MZS)R, 5 Ag(MZS)R, and 10 Ag(MZS)R, and their surfaces revealed a homogenous distribution of silver nanoparticles. Photoluminescence (PL) measurement showed a fluorescence of 530 nm (green light) emitted from MZS. A coating of Ag particles on MZS tended to increase the PL intensity in the following order: 10 Ag(MZS)R (29%) < 5 Ag(MZS)R (72%) < 3 Ag(MZS)R (100%).
- 2013-01-25
著者
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Lin Jing-chie
Institute Of Materials Science And Engineering/department Of Mechanical Engineering National Central
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Liu Shiu-jen
Department Of Elctrophysics National Chiao Tung University
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Peng Kun-Cheng
Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
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Lin Yi-Chung
Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
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Hsieh Keng-Lin
Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
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Tseng Chiun-An
Institute of Material Science and Engineering, National Central University, Taoyuan 32001, Taiwan
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