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Tuning the Intensity of Metal-Enhanced Fluorescence by Engineering Silver Nanoparticle Arrays

Authors

  • Bingjie Yang,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Nan Lu,

    Corresponding author
    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
    • State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China).
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  • Dianpeng Qi,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Renping Ma,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Qiong Wu,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Juanyuan Hao,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Xiaoming Liu,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Ying Mu,

    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
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  • Vincent Reboud,

    1. Tyndall National Institute, University College Cork Lee Maltings, Cork (Ireland)
    2. Catalan Institute of Nanotechnology Campus de Bellaterra Edifici CM7, ES 08193 Bellaterra (Spain)
    3. Catalan Institute for Research and Advanced Studies (ICREA) 08010 Barcelona (Spain)
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  • Nikolaos Kehagias,

    1. Tyndall National Institute, University College Cork Lee Maltings, Cork (Ireland)
    2. Catalan Institute of Nanotechnology Campus de Bellaterra Edifici CM7, ES 08193 Bellaterra (Spain)
    3. Catalan Institute for Research and Advanced Studies (ICREA) 08010 Barcelona (Spain)
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  • Clivia M. Sotomayor Torres,

    1. Tyndall National Institute, University College Cork Lee Maltings, Cork (Ireland)
    2. Catalan Institute of Nanotechnology Campus de Bellaterra Edifici CM7, ES 08193 Bellaterra (Spain)
    3. Catalan Institute for Research and Advanced Studies (ICREA) 08010 Barcelona (Spain)
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  • Freddy Yin Chiang Boey,

    1. School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue, 639798 (Singapore)
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  • Xiaodong Chen,

    Corresponding author
    1. School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue, 639798 (Singapore)
    • School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue, 639798 (Singapore).
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  • Lifeng Chi

    Corresponding author
    1. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University Changchun 130012 (P. R. China)
    2. Physikalisches Institut and Center for Nanotechnology (CeNTech) Westfälische Wilhelms-Universität Münster 48149 Münster (Germany)
    • Physikalisches Institut and Center for Nanotechnology (CeNTech) Westfälische Wilhelms-Universität Münster 48149 Münster (Germany).
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Abstract

It is demonstrated that silver nanoparticle (SNP) arrays fabricated by combining nanoimprint lithography and electrochemical deposition methods can be used as substrates for metal-enhanced fluorescence, which is widely used in optics, sensitive detection, and bioimaging. The method presented here is simple and efficient at controlling the nanoparticle density and interparticle distance within one array. Furthermore, it is found that the fluorescence intensity can be tuned by engineering the feature size of the SNP arrays. This is due to the different coupling efficiency between the emission of the fluorophores and surface plasmon resonance band of the metallic nanostructures.

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