TERBIUM AND BARIUM CODOPED MESOPOROUS SILICA NANOPARTICLES WITH ENHANCED OPTICAL PROPERTIES
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Authors
Zhumanova, Kamila
Akhmetzhanov, Nursalim
Kang, Moon Sung
Molkenova, Anara
Raja, Iruthayapandi Selestin
Kim, Ki Su
Han, Dong-Wook
Atabaev, Timur Sh.
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Materials Letters
Abstract
In this study, we showed for the first time that barium (Ba) codoping improves the luminescent properties of
terbium (Tb)-doped SiO2 nanoparticles (NPs). In particular, the quantum yield (QY) of SiO2-Ba,Tb NPs was found
to be ~10.7%, whereas the QY of bare SiO2-Tb NPs was only ~4.3%. Several mechanisms for luminescence
enhancement have been proposed. We strongly believe that this methodology can be used to create alternative
silica-based NPs with improved optical characteristics.
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Citation
Zhumanova, K., Akhmetzhanov, N., Kang, M. S., Molkenova, A., Raja, I. S., Kim, K. S., Han, D. W., & Atabaev, T. S. (2022). Terbium and barium codoped mesoporous silica nanoparticles with enhanced optical properties. Materials Letters, 323, 132500. https://doi.org/10.1016/j.matlet.2022.132500
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