NaLa(MoO4)2: RE3+ (RE3+=Eu3+, Sm3+, Er3+/Yb3+) microspheres: the synthesis and optical properties

Rare earth‐doped metal oxide nanocrystals have a high potential in display, lighting, and bio‐imaging, owing to their excellent emission efficiency, superior chemical, and thermal stability. However, the photoluminescence quantum yields (PLQYs) of rare earth‐doped metal oxide nanocrystals have been reported to be much lower than those of the corresponding bulk phosphors, group II‐VI, and halide‐based perovskite quantum dots because of their poor crystallinity and high‐concentration surface defects. Here, an ultrafast and room‐temperature strategy for the kilogram‐scale synthesis of sub‐5 nm Eu3+‐doped CaMoO4 nanocrystals is presented, and this reaction can be finished in 1 min under ambient conditions. The absolute PLQYs for sub‐5 nm Eu3+‐doped CaMoO4 nanocrystals can reach over 85%, which are comparable to those of the corresponding bulk phosphors prepared by the high‐temperature solid state reaction. Moreover, the as‐produced nanocrystals exhibit a superior thermal stability and their emission intensity unexpectedly increases after sintering at 600 °C for 2 h in air. 1.9 kg of Eu3+‐doped CaMoO4 nanocrystals with a PLQY of 85.1% can be obtained in single reaction.

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An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu³⁺‐doped CaMO₄ Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%

Liu

Shi

Cao

et al. 2023

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Morphology tunable synthesis and luminescence property of NaGd(MoO4)2:Sm3+ microcrystals

Zhai

Wan

Yin

et al. 2017

Ceramics International

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NaLaMo2O8:Yb3+, Er3+ transparent glass ceramics: Up-conversion luminescence and temperature sensitivity property

Zhang

Shang

Chen

2022

Ceramics International

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NaLa(MoO4)2: RE3+ (RE3+=Eu3+, Sm3+, Er3+/Yb3+) microspheres: the synthesis and optical properties

Cited by 14 publications

References 33 publications

An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu³⁺‐doped CaMO₄ Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%

An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu³⁺‐doped CaMO₄ Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%

Morphology tunable synthesis and luminescence property of NaGd(MoO4)2:Sm3+ microcrystals

NaLaMo2O8:Yb3+, Er3+ transparent glass ceramics: Up-conversion luminescence and temperature sensitivity property

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NaLa(MoO4)2: RE3+ (RE3+=Eu3+, Sm3+, Er3+/Yb3+) microspheres: the synthesis and optical properties

Cited by 14 publications

References 33 publications

An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu3+‐doped CaMO4 Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%

An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu3+‐doped CaMO4 Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%

Morphology tunable synthesis and luminescence property of NaGd(MoO4)2:Sm3+ microcrystals

NaLaMo2O8:Yb3+, Er3+ transparent glass ceramics: Up-conversion luminescence and temperature sensitivity property

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Product

Resources

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An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu³⁺‐doped CaMO₄ Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%

An Ultrafast and Room‐Temperature Strategy for Kilogram‐Scale Synthesis of Sub‐5 nm Eu³⁺‐doped CaMO₄ Nanocrystals with a Photoluminescence Quantum Yield Exceeding 85%