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Issue 18, 2018
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Enhanced upconversion luminescence in LuPO4:Ln3+ phosphors via optically inert ions doping

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Abstract

The upconversion luminescence (UCL) properties of Yb3+/Ho3+ (Er3+) co-doped or tri-doped LuPO4 phosphors were studied and compared. To further improve the UCL intensity and control the emission color, optically inert ions such as Li+, Ca2+ and Gd3+ were doped into this system. Compared to the optically inert ions-free counterpart, the red UCL of LuPO4:20%Yb3+/1%Er3+/1%Ho3+ with 5%Li+/10%Ca2+/10%Gd3+ doping is enhanced by 5.93 times. It is worth pointing out that the optically inert ions doping could not change the red-to-green intensity ratio. Therefore, the emission color was still maintained irrespective of the type of optically inert ions used for doping. Moreover, the reasons for the above experimental phenomenon were also discussed in detail.

Graphical abstract: Enhanced upconversion luminescence in LuPO4:Ln3+ phosphors via optically inert ions doping

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Publication details

The article was received on 14 Jun 2018, accepted on 27 Jul 2018 and first published on 06 Aug 2018


Article type: Paper
DOI: 10.1039/C8NJ02966K
Citation: New J. Chem., 2018,42, 15215-15220
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    Enhanced upconversion luminescence in LuPO4:Ln3+ phosphors via optically inert ions doping

    Z. Zhang, R. Cao, L. Guo, P. Li, C. Liang and T. Li, New J. Chem., 2018, 42, 15215
    DOI: 10.1039/C8NJ02966K

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