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首页> 外文期刊>Applied Physics Letters >Metal enhanced photoluminescence from Al-capped ZnMgO films: The roles of plasmonic coupling and non-radiative recombination
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Metal enhanced photoluminescence from Al-capped ZnMgO films: The roles of plasmonic coupling and non-radiative recombination

机译：铝基ZnMgO薄膜的金属增强光致发光：等离子体耦合和非辐射复合的作用

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摘要

Aluminium (Al) enhanced emission is investigated by temperature-dependent photoluminescence (PL) from ZnMgO films grown by metal-organic chemical vapor deposition. The PL enhancement is sensitive to both the thickness of Al film and the temperature. The enhancement ratio increases from 3.5 to ～51 when temperature decreases from room temperature to 20 K. Increased surface plasmon (SP) coupling and decreased non-radiative recombination rate with decreasing temperature are suggested to account for the giant enhancement. The coupling between the ZnMgO excitons and the SP resonance is confirmed by time-resolved PL.
机译：通过温度依赖性光致发光（PL）研究了金属有机化学气相沉积生长的ZnMgO膜中铝（Al）的增强发射。 PL增强对Al膜的厚度和温度均敏感。当温度从室温降低到20 K时，增强比从3.5增加到〜51。表面等离子体激元（SP）耦合增加，并且随着温度降低，非辐射复合率降低，这说明了巨大的增强。 ZnMgO激子与SP共振之间的耦合由时间分辨PL证实。

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  • 来源
    《Applied Physics Letters》 |2012年第11期|p.112103.1-112103.4|共4页
  • 作者

    Yanjie Wang; Haiping He; Yalin Zhang; Luwei Sun; Liang Hu; Kewei Wu; Jingyun Huang; Zhizhen Ye;

  • 作者单位

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

    Department of Materials Science and Engineering, State Key Laboratory of Silicon Materials,Zhejiang University, Hangzhou 310027, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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  • 入库时间 2022-08-18 03:17:08

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