Design and electrospinning synthesis of SrF2:Er3+/Yb3+ unidimensional nanostructural materials with tunable upconverting fluorescence

Li, Ning; Qi, Haina; Liu, Xiaohan; Shao, Hong; Li, Dan; Yu, Wensheng; Dong, Xiangting

doi:10.1016/j.dyepig.2022.111001

Cited by 4 publications

(1 citation statement)

References 34 publications

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“…Pr 3+ occupies the position of La 3+ in LaF 3 crystal and still forms hexagonal LaF 3 crystal. The lattice constant is calculated as follows [36] sin 2…”

Section: Crystal Structurementioning

confidence: 99%

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF₃:Pr³⁺@SiO₂ Yolk‐Shell Nanospheres with Moisture Resistance

Li,

Shao,

Liu

et al. 2023

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Poor water stability and single luminous color are the major drawbacks of the most phosphors reported. Therefore, it is important to realize multicolor luminescence in a phosphor with single host and single activator as well as moisture resistance. LaF3:Pr3+@SiO2 yolk‐shell nanospheres are facilely obtained by a designing new technology of a simple and cost‐effective electrospray ionization combined with a dicrucible fluorating technique without using protective gas. In addition, tunable photoluminescence, especially white‐light emission, is successfully obtained in LaF3:Pr3+@SiO2 yolk‐shell nanospheres by adjusting Pr3+ ion concentrations, and the luminescence mechanism of Pr3+ ion is advanced. Compared with the counterpart LaF3:Pr3+ nanospheres, the water stability of LaF3:Pr3+@SiO2 yolk‐shell nanospheres is improved by 15% after immersion in water for 72 h, and the fluorescence intensity can be maintained at 86% of the initial intensity. Furthermore, by treating the yolk‐shell nanospheres with hydrofluoric acid, it is not only demonstrated that the shell‐layer is SiO2 but also core‐LaF3:Pr3+ nanospheres are obtained. Particularly, only fluorination procedure among the halogenation can produce such special yolk‐shell nanospheres, the formation mechanism of yolk‐shell nanospheres is proposed detailedly based on the sound experiments and a corresponding new technology is built. These findings broaden practical applications of LaF3:Pr3+@SiO2 yolk‐shell nanospheres.

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“…Pr 3+ occupies the position of La 3+ in LaF 3 crystal and still forms hexagonal LaF 3 crystal. The lattice constant is calculated as follows [36] sin 2…”

Section: Crystal Structurementioning

confidence: 99%

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF₃:Pr³⁺@SiO₂ Yolk‐Shell Nanospheres with Moisture Resistance

Li,

Shao,

Liu

et al. 2023

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Electrospinning of photoluminescent-magnetic GdF3:Tb3+,Sm3+@SiO2 belt-in-belt structured nanoribbons with tunable fluorescence and energy transfer

Lv,

Liu,

et al. 2024

Ceramics International

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Upconversion fluorescent Sr9In(PO4)7:Yb3+, Er3+ phosphors with applications in temperature measurement and anti-counterfeiting

Chen,

Gao,

Chen

et al. 2024

Ceramics International

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Design and electrospinning synthesis of SrF2:Er3+/Yb3+ unidimensional nanostructural materials with tunable upconverting fluorescence

Cited by 4 publications

References 34 publications

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF₃:Pr³⁺@SiO₂ Yolk‐Shell Nanospheres with Moisture Resistance

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF₃:Pr³⁺@SiO₂ Yolk‐Shell Nanospheres with Moisture Resistance

Electrospinning of photoluminescent-magnetic GdF3:Tb3+,Sm3+@SiO2 belt-in-belt structured nanoribbons with tunable fluorescence and energy transfer

Upconversion fluorescent Sr9In(PO4)7:Yb3+, Er3+ phosphors with applications in temperature measurement and anti-counterfeiting

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Design and electrospinning synthesis of SrF2:Er3+/Yb3+ unidimensional nanostructural materials with tunable upconverting fluorescence

Cited by 4 publications

References 34 publications

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF3:Pr3+@SiO2 Yolk‐Shell Nanospheres with Moisture Resistance

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF3:Pr3+@SiO2 Yolk‐Shell Nanospheres with Moisture Resistance

Electrospinning of photoluminescent-magnetic GdF3:Tb3+,Sm3+@SiO2 belt-in-belt structured nanoribbons with tunable fluorescence and energy transfer

Upconversion fluorescent Sr9In(PO4)7:Yb3+, Er3+ phosphors with applications in temperature measurement and anti-counterfeiting

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Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF₃:Pr³⁺@SiO₂ Yolk‐Shell Nanospheres with Moisture Resistance

Facilely Direct Construction, White‐Light Emission, and Color‐Adjustable Luminescence of LaF₃:Pr³⁺@SiO₂ Yolk‐Shell Nanospheres with Moisture Resistance