UVB upconversion of LiYO2:Ho3+,Gd3+ for application in luminescence thermometry

Zhao, Shanshan; Li, Benchun; Shen, Tiantian; Fang, Fang; Zhuang, Songlin; Zhang, Dawei; Yu, Dechao

doi:10.1039/d3dt01690k

Dalton Trans.

2023

DOI: 10.1039/d3dt01690k

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UVB upconversion of LiYO₂:Ho³⁺,Gd³⁺ for application in luminescence thermometry

Shanshan Zhao,

Benchun Li,

Tiantian Shen

et al.

Abstract: Development of novel ultraviolet (UV) upconverting materials has been emerging as hot research topic for application in tunable UV laser, photocatalysis, sterilization, tagging, and most recently luminescence thermometry. We readily...

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2024

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Cited by 2 publications

References 53 publications

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Investigation of Ca2Al2SiO7: Pr3+/Gd3+ UVB upconverting phosphor and its optical thermometric properties

Zhao,

Kanwal,

et al. 2024

Optical Materials

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Investigation of Ca2Al2SiO7: Pr3+/Gd3+ UVB upconverting phosphor and its optical thermometric properties

Zhao,

Kanwal,

et al. 2024

Optical Materials

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Blue-excitable orange-red-emitting M₃Y(PO₄)₃:Pr³⁺ (M = Ba, Sr, Ca) phosphors for multifunctional applications

Li,

Sun,

Ding

et al. 2024

Opt. Express

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Research on multifunctional luminescent materials has become an emerging trend for new applications of optical sensing, monitoring, anticounterfeiting, lighting, etc. Herein, a library of Pr3+-doped M3Y(PO4)3 (M = Ba, Sr, Ca) phosphors was prepared for careful spectroscopic studies in potential lighting and optical temperature sensing applications. With the help of density functional theory calculation, diffuse reflectance spectra, and steady/dynamic photoluminescence spectra, the effects of alkaline earth metals on the fluorescence properties of M3Y(PO4)3:Pr3+ were studied systematically. Under the excitation of blue ∼ 445 nm, orangish-red fluorescence of approximately 602 nm was efficiently detected due to Pr3+ 1D2 → 3H4 transition, which becomes stronger by regulating alkaline-earth elements from Ba to Sr and to Ca. An optimized Ca3Y(PO4)3:0.7%Pr3+ sample was validated with excellent thermal stability 89%@423 K and further applied to fabricate a white light emitting diode by combining with commercial YAG:Ce3+ phosphors on a 445 nm blue chip. Specifically, CIE chromaticity coordinates (0.3510, 0.3650) and correlated color temperature (∼ 4838 K) were obtained for an obvious improvement. Moreover, optical thermometry properties of Ca3Y(PO4)3:0.7%Pr3+ were explored on basis of Pr3+ 3P0-3P1 thermally coupled energy levels. Their fluorescence intensity ratios following the Boltzmann equation could be operated over 298-598 K with superior relative sensitivity ∼ 0.87% K-1 at 298 K. These interesting results for multifunctional luminescence will greatly promote the development of novel Pr3+-doped luminescent materials as well as the related photoelectric devices.

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UVB upconversion of LiYO₂:Ho³⁺,Gd³⁺ for application in luminescence thermometry

Abstract: Development of novel ultraviolet (UV) upconverting materials has been emerging as hot research topic for application in tunable UV laser, photocatalysis, sterilization, tagging, and most recently luminescence thermometry. We readily...

Cited by 2 publications

References 53 publications

Investigation of Ca2Al2SiO7: Pr3+/Gd3+ UVB upconverting phosphor and its optical thermometric properties

Investigation of Ca2Al2SiO7: Pr3+/Gd3+ UVB upconverting phosphor and its optical thermometric properties

Blue-excitable orange-red-emitting M₃Y(PO₄)₃:Pr³⁺ (M = Ba, Sr, Ca) phosphors for multifunctional applications

Contact Info

Product

Resources

About

UVB upconversion of LiYO2:Ho3+,Gd3+ for application in luminescence thermometry

Abstract: Development of novel ultraviolet (UV) upconverting materials has been emerging as hot research topic for application in tunable UV laser, photocatalysis, sterilization, tagging, and most recently luminescence thermometry. We readily...

Cited by 2 publications

References 53 publications

Investigation of Ca2Al2SiO7: Pr3+/Gd3+ UVB upconverting phosphor and its optical thermometric properties

Investigation of Ca2Al2SiO7: Pr3+/Gd3+ UVB upconverting phosphor and its optical thermometric properties

Blue-excitable orange-red-emitting M3Y(PO4)3:Pr3+ (M = Ba, Sr, Ca) phosphors for multifunctional applications

Contact Info

Product

Resources

About

UVB upconversion of LiYO₂:Ho³⁺,Gd³⁺ for application in luminescence thermometry

Blue-excitable orange-red-emitting M₃Y(PO₄)₃:Pr³⁺ (M = Ba, Sr, Ca) phosphors for multifunctional applications