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首页> 外文期刊>Japanese journal of applied physics >Mn-Doped Zn_2SiO_4 Thin Film with Green Fluorescence Enhanced by Ag Nano Island Surface Plasmon Effect
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Mn-Doped Zn_2SiO_4 Thin Film with Green Fluorescence Enhanced by Ag Nano Island Surface Plasmon Effect

机译：Ag纳米岛表面等离子体效应增强绿色荧光的Mn掺杂Zn_2SiO_4薄膜

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摘要

20-100 nm thin films of silver were first deposited on quartz glass by magnetron sputtering. These specimens were then annealed at 500 ℃ for 15min by rapid thermal annealing (RTA), which might change the silver films into having a morphology of nano islands. Subsequently, a thin film of Mn-doped ZnO was deposited on the above specimens in a sputtering system. These specimens were removed from the sputtering system and annealed again in an atmospheric furnace at 1200℃ for 2h. By X-ray diffraction (XRD) analysis, the annealed samples were identified as Mn-doped Zn_2SiO_4 crystals. Furthermore, photoluminescence (PL) measurement showed the 530 nm (green light) fluorescence. The silver nano islands embedded in the Mn-doped Zn_2SiO_4 crystals tended to show an increase in PL intensity in the following order and in increase rate composed with their pristine Mn-doped Zn_2SiO_4 counterpart: 100 nm Ag (-0.33%), 50 nm Ag (-0.02%), 20 nm Ag (87.4%), 40 nm Ag (124.3%), and 30 nm Ag (168.5%). Accordingly, the plasmon effect may lead to the enhancement of fluorescence, and the size of silver nano islands determines the increase rate.
机译：首先通过磁控溅射在石英玻璃上沉积20-100 nm的银薄膜。然后通过快速热退火（RTA）在500℃退火15分钟，这可能会使银膜变成具有纳米岛的形态。随后，在溅射系统中，在上述试样上沉积了Mn掺杂的ZnO薄膜。将这些样品从溅射系统中移出，并在大气炉中于1200℃下再次退火2h。通过X射线衍射（XRD）分析，将退火后的样品鉴定为Mn掺杂的Zn_2SiO_4晶体。此外，光致发光（PL）测量显示530 nm（绿光）荧光。嵌入到Mn掺杂的Zn_2SiO_4晶体中的银纳米岛倾向于按以下顺序显示PL强度的增加，并以其原始Mn掺杂的Zn_2SiO_4对应物的增加速率显示出增加的速率：100 nm Ag（-0.33％），50 nm Ag （-0.02％），20 nm Ag（87.4％），40 nm Ag（124.3％）和30 nm Ag（168.5％）。因此，等离激元效应可以导致荧光增强，并且银纳米岛的大小决定了增长率。

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  • 来源
    《Japanese journal of applied physics》 |2013年第11issue2期|11NJ03.1-11NJ03.6|共6页
  • 作者

    Kun-Cheng Peng; Yi-Chung Lin; Shiu-Jen Liu; Tai-Er Chen; Chun-Ying Lee;

  • 作者单位

    Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan;

    Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan;

    Department of Mathematics and Science (Pre-college), National Taiwan Normal University, New Taipei City 24449, Taiwan;

    Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan;

    Department of Mechanical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan;

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