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Issue 19, 2017
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Tuning the upconversion light emission by bandgap engineering in bismuth oxide-based upconverting nanoparticles

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Abstract

In the field of novel applications involving upconverting processes, the determination of new strategies for realizing emission-tunable nanomaterials is a challenge. In this work the design of Y3+ and Er3+ codoped bismuth oxide-based upconverting nanoparticles is presented, evidencing that the active role of the matrix allows for the emission selectivity with chromaticity control. The bandgap of the bismuth oxide-based host can be manipulated in the range of 0.65 eV, consequently leading to upconversion emission color tunability from red to yellow-greenish. The resulting fine control of the nanoparticle chromaticity through accurate host bandgap engineering reveals a novel concept for the development of a new generation of upconverting nanophosphors.

Graphical abstract: Tuning the upconversion light emission by bandgap engineering in bismuth oxide-based upconverting nanoparticles

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Publication details

The article was received on 02 Dec 2016, accepted on 08 Apr 2017 and first published on 10 Apr 2017


Article type: Paper
DOI: 10.1039/C6NR09350G
Citation: Nanoscale, 2017,9, 6353-6361
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    Tuning the upconversion light emission by bandgap engineering in bismuth oxide-based upconverting nanoparticles

    M. Back, E. Trave, N. Mazzucco, P. Riello and A. Benedetti, Nanoscale, 2017, 9, 6353
    DOI: 10.1039/C6NR09350G

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