4.7 Article

Preferential suppression of high-energy upconverted emissions of Tm3+ by Dy3+ ions in Tm3+/Dy3+/Yb3+-doped LiYF4 colloidal nanocrystals

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 12, Pages 3481-3483

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc00056j

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Funding

  1. Concordia University
  2. Natural Sciences and Engineering Research Council (NSERC) of Canada
  3. U. Quebec, INRS-EMT

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The intensity of high energy UV and blue upconverted emissions of Tm3+ ions in Tm3+/Yb3+ co-doped LiYF4 colloidal nanocrystals was selectively reduced compared to the NIR emission at 802 nm. This was achieved by doping a small amount of Dy3+ ions into the host matrix.

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