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Surface-enhanced fluorescence from copper nanoparticles on silicon nanowires

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Abstract

A method to enhance surface plasmon coupled fluorescence from copper nanoparticles on silicon nanowires is presented. Owing to resonant plasmons oscillation on the surface of Cu/Si nanostructure, the fluorescence peaks of several lanthanide ions (praseodymium ions, Pr3+, neodymium ions Nd3+, holmium ions Ho3+, and erbium ions Er3+) were markedly enhanced with the enhancement of maximal 2 orders of magnitude, which was larger than that caused by unsupported Cu nanoparticles. These results might be explained by the local field overlap originated from the closed and fixed copper nanoparticles on silicon nanowires.

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Authors and Affiliations

  1. Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China

    Shujuan Zhuo, Mingwang Shao, Liang Cheng & Ronghui Que

  2. Center of Super-Diamond and Advanced Films and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China

    Dorthy Duo Duo Ma & Shuit Tong Lee

Authors
  1. Shujuan Zhuo
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  2. Mingwang Shao
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  3. Liang Cheng
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  4. Ronghui Que
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  5. Dorthy Duo Duo Ma
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  6. Shuit Tong Lee
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Corresponding authors

Correspondence to Mingwang Shao or Shuit Tong Lee.

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Zhuo, S., Shao, M., Cheng, L. et al. Surface-enhanced fluorescence from copper nanoparticles on silicon nanowires. Front. Optoelectron. China 4, 114–120 (2011). https://doi.org/10.1007/s12200-011-0152-y

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  • DOI: https://doi.org/10.1007/s12200-011-0152-y

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