Photoluminescence characteristics of high thermal stable fluorosilicate apatite Ba2Y3(SiO4)3F:Sm3+ orange-red emitting phosphor

Yu, Ruijin; Xue, Na; Wang, Ting; Zhao, Ze Qiang; Wang, Jing; Hei, Zhoufei; Li, Mengxue; Noh, Hyeon Mi; Jeong, Jung Hyun

doi:10.1016/j.ceramint.2015.01.046

Cited by 51 publications

(14 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Later, Redhammer’s group found that the crystal structure of NaY 9 (SiO 4 ) 6 O 2 compound showed no symmetry change between room temperature and 100 K, and that the alterations in structural parameters were small 23 . Recently, apatite-type silicate compounds activated by rare earth have drawn great attention owing to their excellent luminescent characteristics 24–28 . You’s team reported the color-tunable phosphors of Ce 3+ /Tb 3+ /Eu 3+ /Mn 2+ co-doped NaY 9 (SiO 4 ) 6 O 2 29 .…”

Section: Introductionmentioning

confidence: 99%

Structure and photoluminescence properties of red-emitting apatite-type phosphor NaY9(SiO4)6O2:Sm3+ with excellent quantum efficiency and thermal stability for solid-state lighting

Mei

Liu

Liao

et al. 2017

Sci Rep

View full text Add to dashboard Cite

A novel red-emitting phosphor NaY9(SiO4)6O2:Sm3+ (NYS:Sm3+) was synthesized and the X-ray diffraction and high-resolution TEM testified that the NYS compound belongs to the apatite structure which crystallized in a hexagonal unit cell with space group P63/m. The novel phosphor boasts of such three advantageous properties as perfect compatible match with the commercial UV chips, 73.2% quantum efficiency and 90.9% thermal stability at 150 °C. Details are as follows. NYS:Sm3+ phosphor showed obvious absorption in the UV regions centered at 407 nm, which can be perfectly compatible with the commercial UV chips. The property investigations showed that NYS:Sm3+ phosphor emitted reddish emission with CIE coordination of (0.563, 0.417). The optimum quenching concentration of Sm3+ in NYS phosphor was about 10%mol, and the corresponding concentration quenching mechanism was verified to be the electric dipole–dipole interaction. Upon excitation at 407 nm, the composition-optimized NYS:0.10Sm3+ exhibited a high quantum efficiency of 73.2%, and its luminescence intensity at 150 °C decreased simply to 90.9% of the initial value at room temperature. All of the results indicated that NYS:Sm3+ is a promising candidate as a reddish-emitting UV convertible phosphor for application in white light emitting diodes (w-LEDs).

show abstract

Section: Introductionmentioning

confidence: 99%

Structure and photoluminescence properties of red-emitting apatite-type phosphor NaY9(SiO4)6O2:Sm3+ with excellent quantum efficiency and thermal stability for solid-state lighting

Mei

Liu

Liao

et al. 2017

Sci Rep

View full text Add to dashboard Cite

show abstract

“…The strongest emission peak is located at 604 nm because the electronic relaxation to the 6 H 7/2 ground level has more transition probability than that of the other levels The transition 4 G 5/2 → 6 H 5/2 is a magnetic dipole (MD) allowed transition due to the selection rule ∆ J =0; ±1, and the other may be an electric dipole transition . From Figure B, the weak excitation band at 220‐250 nm with the maximum at 235 nm is attributed to charge‐transfer band . The other excitation bands from 300 to 550 nm are the 4 f n →4 f n intra‐configuration transitions.…”

Section: Resultsmentioning

confidence: 96%

“…22 From Figure 5B, the weak excitation band at 220-250 nm with the maximum at 235 nm is attributed to charge-transfer band. 23 The other excitation bands from 300 to 550 nm are the 4f n ?4f n intra-configuration transitions. From Figure 5A, the intensity gradually increases at the beginning, reaches the maximum at z=0.03, then decreases, which can be attributed to concentration quenching.…”

Section: Luminescence Properties Of Ce 3+ /Sm 3+ Doped Materialsmentioning

confidence: 99%

White‐emitting phosphor Ba₂B₂O₅:Ce³⁺, Tb³⁺, Sm³⁺: Luminescence, energy transfer, and thermal stability

Wang

et al. 2017

J Am Ceram Soc

View full text Add to dashboard Cite

A series of Ba2B2O5: RE (RE=Ce3+/Tb3+/Sm3+) phosphors were synthesized using high‐temperature solid‐state reaction. The X‐ray diffraction (XRD), luminescent properties, and decay lifetimes are utilized to characterize the properties of the phosphors. The obtained phosphors can emit blue, green, and orange‐red light when single‐doped Ce3+, Tb3+, and Sm3+. The energy can transfer from Ce3+ to Tb3+ and Tb3+ to Sm3+ in Ba2B2O5, but not from Ce3+ to Sm3+ in Ce3+ and Sm3+ codoped in Ba2B2O5. However, the energy can transfer from Ce3+ to Sm3+ through the bridge role of Tb3+. We obtain white emission based on energy transfer of Ce3+→Tb3+→Sm3+ ions. These results reveal that Ce3+/Tb3+/Sm3+ can interact with each other in Ba2B2O5, and Ba2B2O5 may be a potential candidate host for white‐light‐emitting phosphors.

show abstract

“…2,3 The silicate debris mainly composed of CaO-MgO-Al 2 O 3 -SiO 2 (CMAS) are usually ingested by aircraft engines during and after take-off, sticking to their hot surfaces and resulting in the formation of calcium RE silicate oxyapatites. 4 Outside of their relevance to EBC application, calcium RE oxyapatites and their analogs are of interest in many areas including medical 5 and biomedical 6 sciences, geochemistry, 7 environmental 8 and nuclear sciences, 9 and catalysis 10 among others 11,12 .…”

Section: Introductionmentioning

confidence: 99%

Thermochemistry of calcium rare‐earth silicate oxyapatites

et al. 2019

View full text Add to dashboard Cite

The calcium rare‐earth (RE) silicate oxyapatite, Ca2RE8(SiO4)6O2 (RE = Yb, Er, Y, Dy, Nd, Gd, and Sm), powders were synthesized by the solid‐state reaction method and characterized by X‐ray diffraction (XRD), Raman spectroscopy, and elemental composition analysis. The thermodynamic properties of the oxyapatites have been investigated using high‐temperature oxide melt calorimetry in molten 2PbO–B2O3 solvent at 805°C. The energetics of the oxyapatites related to ionic substitution on two crystallographic sites, M(1) and M(2), are discussed. The enthalpy of formation from the oxides becomes more exothermic as the ionic potential decreases or the ionic radius of the REs increases, which indicates increasing energetic stability in this order.

show abstract

Photoluminescence characteristics of high thermal stable fluorosilicate apatite Ba2Y3(SiO4)3F:Sm3+ orange-red emitting phosphor

Cited by 51 publications

References 40 publications

Structure and photoluminescence properties of red-emitting apatite-type phosphor NaY9(SiO4)6O2:Sm3+ with excellent quantum efficiency and thermal stability for solid-state lighting

Structure and photoluminescence properties of red-emitting apatite-type phosphor NaY9(SiO4)6O2:Sm3+ with excellent quantum efficiency and thermal stability for solid-state lighting

White‐emitting phosphor Ba₂B₂O₅:Ce³⁺, Tb³⁺, Sm³⁺: Luminescence, energy transfer, and thermal stability

Thermochemistry of calcium rare‐earth silicate oxyapatites

Contact Info

Product

Resources

About

Photoluminescence characteristics of high thermal stable fluorosilicate apatite Ba2Y3(SiO4)3F:Sm3+ orange-red emitting phosphor

Cited by 51 publications

References 40 publications

Structure and photoluminescence properties of red-emitting apatite-type phosphor NaY9(SiO4)6O2:Sm3+ with excellent quantum efficiency and thermal stability for solid-state lighting

Structure and photoluminescence properties of red-emitting apatite-type phosphor NaY9(SiO4)6O2:Sm3+ with excellent quantum efficiency and thermal stability for solid-state lighting

White‐emitting phosphor Ba2B2O5:Ce3+, Tb3+, Sm3+: Luminescence, energy transfer, and thermal stability

Thermochemistry of calcium rare‐earth silicate oxyapatites

Contact Info

Product

Resources

About

White‐emitting phosphor Ba₂B₂O₅:Ce³⁺, Tb³⁺, Sm³⁺: Luminescence, energy transfer, and thermal stability