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Issue 45, 2018
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Surfactant-free aqueous synthesis of novel Ba3Gd2F12:Ln3+ nanocrystals with luminescence properties

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Abstract

A novel xBaF2yGdF3 solid solution of Ba3Gd2F12:Ln3+ (Ln = Eu, Dy, Tb, Ce, Er, Tm, and Yb) nanocrystals with multicolor emissions has been prepared via a surfactant-free aqueous hydrothermal route for the first time. The as-prepared nanocrystals are uniform single crystals with nanocube shape and average size of about 23 nm. We have experimentally verified that the aqueous wet chemical synthetic route is necessary and feasible for the fabrication of complex inorganic nanocrystals with the target phase. As a proof-of-concept experiment, multicolor luminescence is explored by downshifting (Eu, Dy, Tb, Ce), up-conversion (Yb/Er, Yb/Tm), and energy transfer processes (Ce → Tb), which indicate that Ba3Gd2F12 is a highly efficient luminescence host, which shows great promise as a phosphor and ideal multi-model bio-probe.

Graphical abstract: Surfactant-free aqueous synthesis of novel Ba3Gd2F12:Ln3+ nanocrystals with luminescence properties

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Supplementary files

Article information


Submitted
10 Sep 2018
Accepted
20 Oct 2018
First published
22 Oct 2018

CrystEngComm, 2018,20, 7301-7307
Article type
Paper

Surfactant-free aqueous synthesis of novel Ba3Gd2F12:Ln3+ nanocrystals with luminescence properties

Y. Feng, B. Shao, S. Zhao and H. You, CrystEngComm, 2018, 20, 7301
DOI: 10.1039/C8CE01538D

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