Nature Communications (Nov 2018)

Over 1000-fold enhancement of upconversion luminescence using water-dispersible metal-insulator-metal nanostructures

  • Ananda Das,
  • Chenchen Mao,
  • Suehyun Cho,
  • Kyoungsik Kim,
  • Wounjhang Park

DOI
https://doi.org/10.1038/s41467-018-07284-w
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 11

Abstract

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Upconversion nanoparticles are already used in bio-imaging but still suffer from low luminescence. Here, metal-insulator-metal nanostructures with 1-2 orders magnitude enhancement in upconversion are introduced enabling bioimaging at reduced particle or excitation power densities, respectively.