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Issue 22, 2015
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Green and blue emitting 3D structured Tb:Ce2(WO4)3 and Tb:Ce10W22O81 micromaterials

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Abstract

In this paper, various microstructures of Ce2(WO4)3 and Ce10W22O81 were prepared by applying a hydrothermal synthesis, in a ligand-free environment, and in the presence of a dioctyl sodium sulfosuccinate (DSS) surfactant, after which the materials were heat treated at a temperature of 900 °C. Depending on the ratio of cerium ions to sodium tungstate, as well as the reaction pH, two different cerium tungstate materials were obtained. The source of cerium, and the presence or absence of the surfactant had a significant influence on the morphology of the final product. The photoluminescence properties of Tb3+ doped cerium tungstate materials were investigated. Luminescence measurements showed an efficient charge transfer from the tungstate groups to the Tb3+ ions. All the materials emitted blue or green light under UV excitation.

Graphical abstract: Green and blue emitting 3D structured Tb:Ce2(WO4)3 and Tb:Ce10W22O81 micromaterials

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Supplementary files

Article information


Submitted
21 Feb 2015
Accepted
21 Apr 2015
First published
24 Apr 2015

Dalton Trans., 2015,44, 10237-10244
Article type
Paper
Author version available

Green and blue emitting 3D structured Tb:Ce2(WO4)3 and Tb:Ce10W22O81 micromaterials

A. M. Kaczmarek, D. Ndagsi, I. Van Driessche, K. Van Hecke and R. Van Deun, Dalton Trans., 2015, 44, 10237
DOI: 10.1039/C5DT00764J

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