Synergistic modulation of energy transfer and defect engineering toward anti-thermal quenching phosphor for high-sensitivity optical thermometry

Song, Ruitong; Wang, Ruonan; Yang, Xin; Bian, Xiaomin; Fu, Hao

doi:10.1016/j.apmt.2024.102246

Applied Materials Today

2024

DOI: 10.1016/j.apmt.2024.102246

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Synergistic modulation of energy transfer and defect engineering toward anti-thermal quenching phosphor for high-sensitivity optical thermometry

Ruitong Song,

Ruonan Wang,

Xin Yang

et al.

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Cited by 4 publications

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Bismuth-activated thermo-chromic Ca2LuZr2Al3O12: Ln3+ (Ln = Eu, Tb, Dy and Sm) phosphors with a wide-ranging excitation band based on intervalence charge transfer for high-quality optical thermometers

Wang,

Li,

Yang

et al. 2024

Ceramics International

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Bismuth-activated thermo-chromic Ca2LuZr2Al3O12: Ln3+ (Ln = Eu, Tb, Dy and Sm) phosphors with a wide-ranging excitation band based on intervalence charge transfer for high-quality optical thermometers

Wang,

Li,

Yang

et al. 2024

Ceramics International

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Design of Dual-Mode Optical Thermometry Based on Thermally Activated Efficient Energy Transfer in LaNbO₄/Ln³⁺ (Eu³⁺/Sm³⁺/Pr³⁺) Phosphors

Liu,

Xin,

et al. 2024

ACS Appl. Mater. Interfaces

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Exploring methods to achieve high thermal stability in phosphors is of great significance for their applications in hightemperature fields. Currently, energy transfer (ET) from the host to activator lanthanide ions (Ln 3+ ) is an effective approach to improving the antithermal quenching of phosphors. In this contribution, LaNbO 4 (LNO) with efficient blue emission is used as the host to construct the host−Ln 3+ dual-emitting LNO/ Ln 3+ (Eu 3+ /Sm 3+ /Pr 3+ ) phosphor system, and the ET efficiency under thermal activation is investigated. Experimental results indicate that as the temperature rises, the ET efficiency from the LNO host to activator Ln 3+ increases, resulting in completely opposite luminescent thermal responses between the LNO host and activator Ln 3+ . That is, the emission of the LNO host undergoes thermal quenching, while the emission of activator Ln 3+ exhibits antithermal quenching, where the integrated luminescence intensity at 498 K is 2.50−3.73 times that at 298 K. Therefore, based on the differing luminescent thermal response trends of the emission peaks of the phosphors, a dual-mode optical temperature sensing system can be designed using fluorescence intensity ratio and fluorescence color change, achieving high relative sensitivity. Thus, this work provides new insights into the design of host ET phosphors and their applications in optical temperature sensing.

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Mn⁴⁺-doped rare-earth-free Mg₄Nb₂O₉ phosphors for optical temperature sensing

Xiang,

2024

Dalton Trans.

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Synergistic modulation of energy transfer and defect engineering toward anti-thermal quenching phosphor for high-sensitivity optical thermometry

Cited by 4 publications

References 53 publications

Bismuth-activated thermo-chromic Ca2LuZr2Al3O12: Ln3+ (Ln = Eu, Tb, Dy and Sm) phosphors with a wide-ranging excitation band based on intervalence charge transfer for high-quality optical thermometers

Bismuth-activated thermo-chromic Ca2LuZr2Al3O12: Ln3+ (Ln = Eu, Tb, Dy and Sm) phosphors with a wide-ranging excitation band based on intervalence charge transfer for high-quality optical thermometers

Design of Dual-Mode Optical Thermometry Based on Thermally Activated Efficient Energy Transfer in LaNbO₄/Ln³⁺ (Eu³⁺/Sm³⁺/Pr³⁺) Phosphors

Mn⁴⁺-doped rare-earth-free Mg₄Nb₂O₉ phosphors for optical temperature sensing

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Synergistic modulation of energy transfer and defect engineering toward anti-thermal quenching phosphor for high-sensitivity optical thermometry

Cited by 4 publications

References 53 publications

Bismuth-activated thermo-chromic Ca2LuZr2Al3O12: Ln3+ (Ln = Eu, Tb, Dy and Sm) phosphors with a wide-ranging excitation band based on intervalence charge transfer for high-quality optical thermometers

Bismuth-activated thermo-chromic Ca2LuZr2Al3O12: Ln3+ (Ln = Eu, Tb, Dy and Sm) phosphors with a wide-ranging excitation band based on intervalence charge transfer for high-quality optical thermometers

Design of Dual-Mode Optical Thermometry Based on Thermally Activated Efficient Energy Transfer in LaNbO4/Ln3+ (Eu3+/Sm3+/Pr3+) Phosphors

Mn4+-doped rare-earth-free Mg4Nb2O9 phosphors for optical temperature sensing

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Design of Dual-Mode Optical Thermometry Based on Thermally Activated Efficient Energy Transfer in LaNbO₄/Ln³⁺ (Eu³⁺/Sm³⁺/Pr³⁺) Phosphors

Mn⁴⁺-doped rare-earth-free Mg₄Nb₂O₉ phosphors for optical temperature sensing