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Fig 1.

XRD patterns.

(A) LaSiBO5:Tb3+, Eu3+ phosphors and JCPDS card. (B) Magnified local image.

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Fig 1 Expand

Fig 2.

Morphology of La0.93SiBO5:0.05Tb3+, 0.02Eu3+ sample.

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Fig 2 Expand

Fig 3.

Photoluminescence spectra of LaSiBO5:Tb3+. (A) Excitation spectra. (B) Emission spectra of La1-xSiBO5:xTb3+ phosphors.

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Fig 3 Expand

Fig 4.

Photoluminescence spectra of LaSiBO5:Eu3+. (A) Excitation spectra. (B) Emission spectra of La1-ySiBO5:yEu3+ phosphors.

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Fig 4 Expand

Fig 5.

Photoluminescence spectra of LaSiBO5:Tb3+, Eu3+.

(A) Excitation and emission spectra of La0.93SiBO5:0.05Tb3+, 0.02Eu3+phosphor. (b) Emission spectra of La0.95-ySiBO5:0.05Tb3+, yEu3+ phosphors. (c) Eu3+ concentration dependence of emission intensity.

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Fig 5 Expand

Fig 6.

Energy level transitions of Tb3+ and Eu3+ in La1-x-ySiBO5: Tb3+, Eu3+.

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Fig 6 Expand

Fig 7.

Decay curves of La0.95-ySiBO5:0.05Tb3+, yEu3+ phosphors.

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Fig 7 Expand

Fig 8.

Temperature-dependant emission spectra of La0.92SiBO5: 0.05Tb3+, 0.03Eu3+ phosphor.

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Fig 8 Expand

Fig 9.

CIE diagram and luminous photos of La0.95-ySiBO5: 0.05Tb3+, yEu3+ phosphors.

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Fig 9 Expand