Issue 45, 2012

Improvement of blue, white and NIR emissions in YPO4:Dy3+nanoparticles on co-doping of Li+ ions

Abstract

As-prepared samples of YPO4:2Dy nanoparticles prepared by polyol route show strong blue luminescence because of strong host contribution, whereas 500 and 900 °C annealed samples show cold and warm white luminescence, respectively because of different energy transfer rates from host to Dy3+. Li+ co-doping improves luminescence intensity as well as crystallinity significantly. Interestingly, Li+ ions occupy interstitial sites of lattice. These materials will be potential candidates for white light emitting diodes and near-infrared emitting phosphors.

Graphical abstract: Improvement of blue, white and NIR emissions in YPO4:Dy3+ nanoparticles on co-doping of Li+ ions

Supplementary files

Article information

Article type
Communication
Submitted
06 Sep 2012
Accepted
25 Sep 2012
First published
03 Oct 2012

Dalton Trans., 2012,41, 13810-13814

Improvement of blue, white and NIR emissions in YPO4:Dy3+ nanoparticles on co-doping of Li+ ions

A. K. Parchur, A. I. Prasad, S. B. Rai and R. S. Ningthoujam, Dalton Trans., 2012, 41, 13810 DOI: 10.1039/C2DT32062B

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