Er3+/Yb3+ activated up-conversion luminescence of zinc-tin-oxide-based powders

Er and Er,Yb-activated zinc-tin-oxide-based phosphors are synthesized for the first time by a mechanochemical solid-state method. Several techniques, including X-ray diffraction (XRD), Raman, and photoluminescence (PL) spectroscopy are used for structure and optical investigation. Morphology analysi...

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Bibliographic Details
Published in:Ceramics international 2021-06, Vol.47 (12), p.17778-17783
Main Authors: Ivetić, Tamara B., Ding, Yicong, Cvetinov, Miroslav, Petrović, Jelena, Klisurić, Olivera R., Lukić-Petrović, Svetlana R.
Format: Article
Language:English
Subjects:
Optical properties
Powders
Solid state reaction
Spinels
Up-conversion luminescence
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Summary:Er and Er,Yb-activated zinc-tin-oxide-based phosphors are synthesized for the first time by a mechanochemical solid-state method. Several techniques, including X-ray diffraction (XRD), Raman, and photoluminescence (PL) spectroscopy are used for structure and optical investigation. Morphology analysis by scanning electron microscopy (SEM) shows agglomerates of non-uniform in size and shape particles. XRD analysis confirms the major inverse spinel Zn2SnO4 phase formation with high crystallinity. Luminescence activation by Er3+ upon 980 nm excitation leads to green emissions centered at 532 nm and 551 nm and a narrow-band red emission centered at 654 nm that double increases by Yb3+ ions cooperative sensitization.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2021.02.221