Near-white light-emitting Dy3+-doped transparent glass ceramics containing Ba2LaF7 nanocrystals

Shaoye Ouyang; Weihuan Zhang; Zhixiong Zhang; Yuepin Zhang; Haiping Xia

doi:doi:10.3788/COL201513.091601

Chinese Optics Letters, 2015, 13 (9): 091601, Published Online: Sep. 14, 2018

Near-white light-emitting Dy³⁺-doped transparent glass ceramics containing Ba₂LaF₇ nanocrystals

Shaoye Ouyang Weihuan Zhang Zhixiong Zhang Yuepin Zhang ^*Haiping Xia

Author Affiliations

Key Laboratory of Photo-Electronic Material, Ningbo University, Ningbo 315211, China

Figures & Tables

Fig. 1. DSC curve of the prepared 48SiO2–12AlF3–4TiO2–28BaF2–6LaF3–2Dy2O3 glass.

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Fig. 2. The XRD patterns of the glass and glass ceramics with a 2 mol.% concentration of Dy2O3.

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Fig. 3. The TEM image of 2GC690. The inset shows the corresponding SAED patterns.

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Fig. 4. (a) The transmission spectra of 1GC640, 2GC640, and 4GC640. (b) The transmission spectra of 2PG, 2GC640, 2GC660, and 2GC690.

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Fig. 5. (a) The excitation spectra of 1GC640, 2GC640, and 4GC640 for 574 nm. (b) The excitation spectra of 2PG, 2GC640, 2GC660, and 2GC690 for 574 nm.

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Fig. 6. (a) The emission spectra of 1GC640, 2GC640, and 4GC640 under 350 nm excitation. (b) The emission spectra of 2PG, 2GC640, 2GC660, and 2GC690 under 350 nm excitation.

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Fig. 7. The chromaticity coordinates of 2PG and 2GC690 under 350 nm excitation (points 1 and 2, respectively).

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Fig. 8. (a) The decay curves of 1GC640 and 2GC640 under 350 nm excitation for 482 nm. (b) The decay curves of 1GC640 and 2GC640 under 350 nm excitation for 583 nm.

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Shaoye Ouyang, Weihuan Zhang, Zhixiong Zhang, Yuepin Zhang, Haiping Xia. Near-white light-emitting Dy³⁺-doped transparent glass ceramics containing Ba₂LaF₇ nanocrystals[J]. Chinese Optics Letters, 2015, 13(9): 091601.

Near-white light-emitting Dy³⁺-doped transparent glass ceramics containing Ba₂LaF₇ nanocrystals

Fig. 1. DSC curve of the prepared 48SiO2–12AlF3–4TiO2–28BaF2–6LaF3–2Dy2O3 glass.

Fig. 2. The XRD patterns of the glass and glass ceramics with a 2 mol.% concentration of Dy2O3.

Fig. 3. The TEM image of 2GC690. The inset shows the corresponding SAED patterns.

Fig. 4. (a) The transmission spectra of 1GC640, 2GC640, and 4GC640. (b) The transmission spectra of 2PG, 2GC640, 2GC660, and 2GC690.

Fig. 5. (a) The excitation spectra of 1GC640, 2GC640, and 4GC640 for 574 nm. (b) The excitation spectra of 2PG, 2GC640, 2GC660, and 2GC690 for 574 nm.

Fig. 6. (a) The emission spectra of 1GC640, 2GC640, and 4GC640 under 350 nm excitation. (b) The emission spectra of 2PG, 2GC640, 2GC660, and 2GC690 under 350 nm excitation.

Fig. 7. The chromaticity coordinates of 2PG and 2GC690 under 350 nm excitation (points 1 and 2, respectively).

Fig. 8. (a) The decay curves of 1GC640 and 2GC640 under 350 nm excitation for 482 nm. (b) The decay curves of 1GC640 and 2GC640 under 350 nm excitation for 583 nm.

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Near-white light-emitting Dy3+-doped transparent glass ceramics containing Ba2LaF7 nanocrystals

Fig. 1. DSC curve of the prepared 48SiO2–12AlF3–4TiO2–28BaF2–6LaF3–2Dy2O3 glass.

Fig. 2. The XRD patterns of the glass and glass ceramics with a 2 mol.% concentration of Dy2O3.

Fig. 3. The TEM image of 2GC690. The inset shows the corresponding SAED patterns.

Fig. 4. (a) The transmission spectra of 1GC640, 2GC640, and 4GC640. (b) The transmission spectra of 2PG, 2GC640, 2GC660, and 2GC690.

Fig. 5. (a) The excitation spectra of 1GC640, 2GC640, and 4GC640 for 574 nm. (b) The excitation spectra of 2PG, 2GC640, 2GC660, and 2GC690 for 574 nm.

Fig. 6. (a) The emission spectra of 1GC640, 2GC640, and 4GC640 under 350 nm excitation. (b) The emission spectra of 2PG, 2GC640, 2GC660, and 2GC690 under 350 nm excitation.

Fig. 7. The chromaticity coordinates of 2PG and 2GC690 under 350 nm excitation (points 1 and 2, respectively).

Fig. 8. (a) The decay curves of 1GC640 and 2GC640 under 350 nm excitation for 482 nm. (b) The decay curves of 1GC640 and 2GC640 under 350 nm excitation for 583 nm.

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Near-white light-emitting Dy³⁺-doped transparent glass ceramics containing Ba₂LaF₇ nanocrystals