4.8 Article

Silver nanoparticle film induced photoluminescence enhancement of near-infrared emitting PbS and PbS/CdS core/shell quantum dots: observation of different enhancement mechanisms

Journal

NANOSCALE
Volume 8, Issue 9, Pages 4882-4887

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr05906b

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Funding

  1. Natural Sciences and the Engineering Research Council of Canada
  2. Fonds de la recherche sur la nature et les technologies
  3. National Natural Science Foundation of China [11274004]
  4. NCET [NCET-13-0915]

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The photoluminescence (PL) enhancement of a Ag nanoparticle and near-infrared quantum dots (QD) plasmon/fluorophore system was investigated. Different enhancement mechanisms were obtained by tuning surface plasmon resonance of the Ag film and PL of the QDs. A maximum enhancement factor of 2.8 was achieved.

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