New, thermally stable Gd11(GeO4)(PO4)3O10-based upconversion phosphors

New, thermally stable Gd11(GeO4)(PO4)3O10-based upconversion phosphors A series of Gd11–x–y Yb x Er y GeP3O26 germanate phosphates differing in the ratio of the Yb3+ and Er3+ active ions have been synthesized, and their luminescence spectra have been measured. According to X-ray diffraction characterization results, all of the synthesized germanate phosphates are single-phase and have a triclinic structure (sp. gr. P1). We have measured upconversion luminescence spectra due to the Er3+ 2H11/2, 4S3/2 → 4I15/2 and 4F9/2 → 4I15/2 radiative transitions in the synthesized gadolinium ytterbium erbium germanate phosphates and determined the luminescence upconversion energy yield (B en) in Gd11–x–y Yb x Er y GeP3O26. The effects of the concentrations and ratio of the dopants in the Gd11(GeO4)(PO4)3O10 germanate phosphate host on B en and the ratio of the luminescence intensities in the red and green spectral regions (R/G) have been assessed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Inorganic Materials Springer Journals

New, thermally stable Gd11(GeO4)(PO4)3O10-based upconversion phosphors

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Chemistry; Inorganic Chemistry; Industrial Chemistry/Chemical Engineering; Materials Science, general
ISSN
0020-1685
eISSN
1608-3172
D.O.I.
10.1134/S0020168517090114
Publisher site
See Article on Publisher Site

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