High quantum yield of red-emitting Eu3+ doped nanophosphor based on monoclinic Y2O3

Kostyukov, Anton I.; Panchenko, Valentina N.; Nashivochnikov, Aleksandr A.; Рахманова, М. И.; Cherepanova, Svetlana V.; Супрун, Е. А.; Антонова, О. В.

doi:10.1016/j.ceramint.2023.01.078

Ceramics International

2023

DOI: 10.1016/j.ceramint.2023.01.078

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High quantum yield of red-emitting Eu3+ doped nanophosphor based on monoclinic Y2O3

Anton I. Kostyukov

Valentina N. Panchenko

Aleksandr A. Nashivochnikov

et al.

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Cited by 20 publications

References 45 publications

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Air and Thermally Stable Fluoride Bridged Rare‐Earth Clusters Showing Intense Photoluminescence and Potential LED Application

He,

Wang,

Chen

et al. 2024

Advanced Materials

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Fluoride based lattice is attractive for reducing phonon‐induced quenching in rare‐earth (RE) based luminescent materials. However, due to the strong affinity between RE and oxygen, the synthesis of fluoride‐based complexes has to be protected under anhydrous conditions, and many known fluoride bridged RE clusters are unstable in air. Here, by using the “mixed‐ligand” strategy a family of fluoride bridged RE clusters is synthesized, namely RE16(μ4‐F)6(μ3‐F)12(tBuCOO)18[N(CH2CH2O)3]4 (RE = Eu, EuFC‐16; RE = Tb, TbFC‐16), which are highly stable in air and decomposed thermally only when heating above 435 °C. Moreover, both clusters exhibit high photoluminescence quantum yields (PLQYEuFC‐16 = 87.7%, PLQYTbFC‐16 = 99.0%). Upon warming, EuFC‐16 and TbFC‐16 display excellent structural, thermal, and chroma stability. Thus, EuFC‐16 and TbFC‐16 have the potential to be used in light‐emitting diode (LED) devices, offering many advantages over commercial phosphors. First, both clusters are soluble in UV‐curable resin at any mixing rate, and the emission colors can be tuned from magenta, turquoise, willow green, and ivory to pure white if mixing blue phosphor BAM:Eu2+. Second, the clusters are hydrophobic, and the LEDs work well after soaking in water, indicating a good quality for outdoor lighting.

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Air and Thermally Stable Fluoride Bridged Rare‐Earth Clusters Showing Intense Photoluminescence and Potential LED Application

He,

Wang,

Chen

et al. 2024

Advanced Materials

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Luminescence enhancement in red-emitting MgMoO4:Eu3+ phosphor by partially combined substitution of Mg2+-Mo6+-O2− with Ca2+-W6+-F−

Li,

Xiong,

Yang

et al. 2024

Appl. Phys. A

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Improvement of Magnetic Saturation in Fe3O4@Y2O3:Eu3+ Nanocomposites Through the Manipulation of Eu3+ Activators

Rivera-Enríquez,

Ojeda-Martínez,

Cano

et al. 2023

J Fluoresc

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High quantum yield of red-emitting Eu3+ doped nanophosphor based on monoclinic Y2O3

Cited by 20 publications

References 45 publications

Air and Thermally Stable Fluoride Bridged Rare‐Earth Clusters Showing Intense Photoluminescence and Potential LED Application

Air and Thermally Stable Fluoride Bridged Rare‐Earth Clusters Showing Intense Photoluminescence and Potential LED Application

Luminescence enhancement in red-emitting MgMoO4:Eu3+ phosphor by partially combined substitution of Mg2+-Mo6+-O2− with Ca2+-W6+-F−

Improvement of Magnetic Saturation in Fe3O4@Y2O3:Eu3+ Nanocomposites Through the Manipulation of Eu3+ Activators

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