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  • Title: Tuning the intensity of metal-enhanced fluorescence by engineering silver nanoparticle arrays.
    Author: Yang B, Lu N, Qi D, Ma R, Wu Q, Hao J, Liu X, Mu Y, Reboud V, Kehagias N, Torres CM, Boey FY, Chen X, Chi L.
    Journal: Small; 2010 May 07; 6(9):1038-43. PubMed ID: 20394069.
    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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