A novel Mn<sup>2+</sup> doped ScTaO<sub>4</sub> dual-emitting phosphor for high temperature optical thermometry

Hou, Jingshan; Qin, Zhiyu; Wu, Jianghua; Li, Tong; Dong, Langping; Zhang, Ganghua; Zhao, Guoying; Liu, Yufeng; Chen, Haijie; Fang, Yongzheng

doi:10.1039/d4tc01284d

J. Mater. Chem. C

2024

DOI: 10.1039/d4tc01284d

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A novel Mn²⁺ doped ScTaO₄ dual-emitting phosphor for high temperature optical thermometry

Jingshan Hou,

Zhiyu Qin,

Jianghua Wu

et al.

Abstract: A novel ScTaO4:Mn2+ dual-emitting phosphor has been synthesized. It achieved white light emission by Mn2+ doping optimization. The highest Sr reach 2.1% K−1 at 523 K, which makes it a potential candidate material for optical thermometry.

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Constructing Dual-Emitting via Energy Transfer in Sr₂ScO₃F:Mn⁴⁺,Nd³⁺ Phosphors For High-Performance Temperature Sensing

Luo,

Sun,

Lyu

et al. 2024

Inorg. Chem.

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The development of high-sensitivity thermometers has become increasingly important in recent years as the demand for noncontact optical temperature measurement has grown. Herein, we report a series of Sr 2 ScO 3 F:Mn 4 + ,Nd 3 + (SSOF:Mn 4+ ,Nd 3+ ) phosphors synthesized by the traditional high-temperature solid-state method for high-performance temperature sensing. Sr 2 ScO 3 F possesses a [ScO6F] octahedron and [SrO9F] tridecahedron, doped Mn 4+ ions occupy the octahedral sites and emit deep red light at 650−750 nm, and doped Nd 3+ ions occupy the tridecahedral sites and emit near-infrared light. Due to the energy transfer from the Mn 4+ to Nd 3+ ions, the SSOF:Mn 4+ ,Nd 3+ phosphor exhibits intense dual-center emissions. On the basis of the different thermal quenching behaviors of the Mn 4+ and Nd 3+ ions, high-sensitivity ratiometric thermometers can be achieved using fluorescence intensity ratio technology, and the high relative sensitivity (S r ) and absolute sensitivity (S a ) reached 3.40% K −1 (at 343 K) and 0.2580 K −1 (at 483 K), respectively. Our work not only studies the photoluminescence characteristics of SSOF:Mn 4+ ,Nd 3+ phosphors but also points out that SSOF:Mn 4+ ,Nd 3+ phosphors have important potential applications in optical temperature measurement.

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Constructing Dual-Emitting via Energy Transfer in Sr₂ScO₃F:Mn⁴⁺,Nd³⁺ Phosphors For High-Performance Temperature Sensing

Luo,

Sun,

Lyu

et al. 2024

Inorg. Chem.

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show abstract

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A novel Mn²⁺ doped ScTaO₄ dual-emitting phosphor for high temperature optical thermometry

Abstract: A novel ScTaO4:Mn2+ dual-emitting phosphor has been synthesized. It achieved white light emission by Mn2+ doping optimization. The highest Sr reach 2.1% K−1 at 523 K, which makes it a potential candidate material for optical thermometry.

Cited by 1 publication

References 60 publications

Constructing Dual-Emitting via Energy Transfer in Sr₂ScO₃F:Mn⁴⁺,Nd³⁺ Phosphors For High-Performance Temperature Sensing

Constructing Dual-Emitting via Energy Transfer in Sr₂ScO₃F:Mn⁴⁺,Nd³⁺ Phosphors For High-Performance Temperature Sensing

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A novel Mn2+ doped ScTaO4 dual-emitting phosphor for high temperature optical thermometry

Abstract: A novel ScTaO4:Mn2+ dual-emitting phosphor has been synthesized. It achieved white light emission by Mn2+ doping optimization. The highest Sr reach 2.1% K−1 at 523 K, which makes it a potential candidate material for optical thermometry.

Cited by 1 publication

References 60 publications

Constructing Dual-Emitting via Energy Transfer in Sr2ScO3F:Mn4+,Nd3+ Phosphors For High-Performance Temperature Sensing

Constructing Dual-Emitting via Energy Transfer in Sr2ScO3F:Mn4+,Nd3+ Phosphors For High-Performance Temperature Sensing

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A novel Mn²⁺ doped ScTaO₄ dual-emitting phosphor for high temperature optical thermometry

Constructing Dual-Emitting via Energy Transfer in Sr₂ScO₃F:Mn⁴⁺,Nd³⁺ Phosphors For High-Performance Temperature Sensing

Constructing Dual-Emitting via Energy Transfer in Sr₂ScO₃F:Mn⁴⁺,Nd³⁺ Phosphors For High-Performance Temperature Sensing