Controllable Eu 2+ -Doped Orthophosphate Blue-/Red-Emitting Phosphors: Charge Compensation and Lattice-Strain Control

Yi Wei, Junsong Gao, Gongcheng Xing, Guogang Li, Peipei Dang, Sisi Liang, Yu Shu Huang, Chun Che Lin, Ting Shan Chan, Jun Lin

研究成果: 雜誌貢獻文章

5 引文 (Scopus)

摘要

Cation-substitution-induced controllable luminescence tuning could efficiently optimize and improve the luminescence performances of novel phosphor materials for realizing high-quality lighting. As important members of the orthophosphate family, ABPO 4 (A = alkali metal Li, Na, K, Rb, Cs; B = alkali earth metal Mg, Ca, Sr, Ba) offers an abundant cation lattice environment for rare earth ions. Herein, we successfully prepared a broad-band red-emitting CsMgPO 4 :Eu 2+ phosphor with an emission peak at 628 nm (fwhm = 118 nm). A series of cation-substitution strategies are designed to adjust and enhance its luminescence performances. The corresponding mechanisms are also investigated and proposed reasonably. A charge-compensation strategy of [Eu 2+ -Si 4+ ] ↠[Cs + -P 5+ ] could dramatically enhance the quenching concentration from 0.04 to 0.30, which is attributed to the decrease of Eu 3+ . Two cation-substitution strategies of larger Ba 2+ (Sr 2+ ) ions for Mg 2+ ions could achieve superior emission adjustment of Eu 2+ ions from the red to blue (yellow) region due to local lattice distortion. Interestingly, a consecutive emission adjustment from the red to blue region by simply changing the annealed temperature is reported for the first time, and the possible emission tuning mechanism is revealed based on a local lattice-strain control. This study could serve as a guide in developing Eu 2+ -activated ABPO 4 phosphors with improving luminescence performance and controllable luminescence adjustment based on charge compensation and lattice-strain control through various cation substitutions.
原文英語
頁(從 - 到)6376-6387
頁數12
期刊Inorganic Chemistry
58
發行號9
DOIs
出版狀態已發佈 - 五月 6 2019

指紋

Strain control
Phosphors
phosphors
Cations
Luminescence
Phosphates
luminescence
cations
Substitution reactions
Ions
substitutes
adjusting
ions
Tuning
tuning
Alkali Metals
Alkalies
illuminating
alkali metals
Rare earths

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

引用此文

Controllable Eu 2+ -Doped Orthophosphate Blue-/Red-Emitting Phosphors : Charge Compensation and Lattice-Strain Control. / Wei, Yi; Gao, Junsong; Xing, Gongcheng; Li, Guogang; Dang, Peipei; Liang, Sisi; Huang, Yu Shu; Lin, Chun Che; Chan, Ting Shan; Lin, Jun.

於: Inorganic Chemistry, 卷 58, 編號 9, 06.05.2019, p. 6376-6387.

研究成果: 雜誌貢獻文章

Wei, Yi ; Gao, Junsong ; Xing, Gongcheng ; Li, Guogang ; Dang, Peipei ; Liang, Sisi ; Huang, Yu Shu ; Lin, Chun Che ; Chan, Ting Shan ; Lin, Jun. / Controllable Eu 2+ -Doped Orthophosphate Blue-/Red-Emitting Phosphors : Charge Compensation and Lattice-Strain Control. 於: Inorganic Chemistry. 2019 ; 卷 58, 編號 9. 頁 6376-6387.
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title = "Controllable Eu 2+ -Doped Orthophosphate Blue-/Red-Emitting Phosphors: Charge Compensation and Lattice-Strain Control",
abstract = "Cation-substitution-induced controllable luminescence tuning could efficiently optimize and improve the luminescence performances of novel phosphor materials for realizing high-quality lighting. As important members of the orthophosphate family, ABPO 4 (A = alkali metal Li, Na, K, Rb, Cs; B = alkali earth metal Mg, Ca, Sr, Ba) offers an abundant cation lattice environment for rare earth ions. Herein, we successfully prepared a broad-band red-emitting CsMgPO 4 :Eu 2+ phosphor with an emission peak at 628 nm (fwhm = 118 nm). A series of cation-substitution strategies are designed to adjust and enhance its luminescence performances. The corresponding mechanisms are also investigated and proposed reasonably. A charge-compensation strategy of [Eu 2+ -Si 4+ ] {\^a}† [Cs + -P 5+ ] could dramatically enhance the quenching concentration from 0.04 to 0.30, which is attributed to the decrease of Eu 3+ . Two cation-substitution strategies of larger Ba 2+ (Sr 2+ ) ions for Mg 2+ ions could achieve superior emission adjustment of Eu 2+ ions from the red to blue (yellow) region due to local lattice distortion. Interestingly, a consecutive emission adjustment from the red to blue region by simply changing the annealed temperature is reported for the first time, and the possible emission tuning mechanism is revealed based on a local lattice-strain control. This study could serve as a guide in developing Eu 2+ -activated ABPO 4 phosphors with improving luminescence performance and controllable luminescence adjustment based on charge compensation and lattice-strain control through various cation substitutions.",
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T1 - Controllable Eu 2+ -Doped Orthophosphate Blue-/Red-Emitting Phosphors

T2 - Charge Compensation and Lattice-Strain Control

AU - Wei, Yi

AU - Gao, Junsong

AU - Xing, Gongcheng

AU - Li, Guogang

AU - Dang, Peipei

AU - Liang, Sisi

AU - Huang, Yu Shu

AU - Lin, Chun Che

AU - Chan, Ting Shan

AU - Lin, Jun

PY - 2019/5/6

Y1 - 2019/5/6

N2 - Cation-substitution-induced controllable luminescence tuning could efficiently optimize and improve the luminescence performances of novel phosphor materials for realizing high-quality lighting. As important members of the orthophosphate family, ABPO 4 (A = alkali metal Li, Na, K, Rb, Cs; B = alkali earth metal Mg, Ca, Sr, Ba) offers an abundant cation lattice environment for rare earth ions. Herein, we successfully prepared a broad-band red-emitting CsMgPO 4 :Eu 2+ phosphor with an emission peak at 628 nm (fwhm = 118 nm). A series of cation-substitution strategies are designed to adjust and enhance its luminescence performances. The corresponding mechanisms are also investigated and proposed reasonably. A charge-compensation strategy of [Eu 2+ -Si 4+ ] ↠[Cs + -P 5+ ] could dramatically enhance the quenching concentration from 0.04 to 0.30, which is attributed to the decrease of Eu 3+ . Two cation-substitution strategies of larger Ba 2+ (Sr 2+ ) ions for Mg 2+ ions could achieve superior emission adjustment of Eu 2+ ions from the red to blue (yellow) region due to local lattice distortion. Interestingly, a consecutive emission adjustment from the red to blue region by simply changing the annealed temperature is reported for the first time, and the possible emission tuning mechanism is revealed based on a local lattice-strain control. This study could serve as a guide in developing Eu 2+ -activated ABPO 4 phosphors with improving luminescence performance and controllable luminescence adjustment based on charge compensation and lattice-strain control through various cation substitutions.

AB - Cation-substitution-induced controllable luminescence tuning could efficiently optimize and improve the luminescence performances of novel phosphor materials for realizing high-quality lighting. As important members of the orthophosphate family, ABPO 4 (A = alkali metal Li, Na, K, Rb, Cs; B = alkali earth metal Mg, Ca, Sr, Ba) offers an abundant cation lattice environment for rare earth ions. Herein, we successfully prepared a broad-band red-emitting CsMgPO 4 :Eu 2+ phosphor with an emission peak at 628 nm (fwhm = 118 nm). A series of cation-substitution strategies are designed to adjust and enhance its luminescence performances. The corresponding mechanisms are also investigated and proposed reasonably. A charge-compensation strategy of [Eu 2+ -Si 4+ ] ↠[Cs + -P 5+ ] could dramatically enhance the quenching concentration from 0.04 to 0.30, which is attributed to the decrease of Eu 3+ . Two cation-substitution strategies of larger Ba 2+ (Sr 2+ ) ions for Mg 2+ ions could achieve superior emission adjustment of Eu 2+ ions from the red to blue (yellow) region due to local lattice distortion. Interestingly, a consecutive emission adjustment from the red to blue region by simply changing the annealed temperature is reported for the first time, and the possible emission tuning mechanism is revealed based on a local lattice-strain control. This study could serve as a guide in developing Eu 2+ -activated ABPO 4 phosphors with improving luminescence performance and controllable luminescence adjustment based on charge compensation and lattice-strain control through various cation substitutions.

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