Preparation and luminescence properties of Tb~(3+) doped and Tb~(3+)/Sm~(3+) co-doped Na_3Y(PO_4)_2 crystalline glass ceramics

Zhaohua Guo; Liying Wang; Huimin Lv; Jing Shao; Hongbo Zhang; Siying Wang; Tong Wang; Chunhui Su

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Preparation and luminescence properties of Tb~(3+) doped and Tb~(3+)/Sm~(3+) co-doped Na_3Y(PO_4)_2 crystalline glass ceramics

机译：Tb〜（3+）掺杂的制备和发光性能和Tb〜（3 +）/ sm〜（3+）共掺杂Na_3Y（Po_4）_2晶体玻璃陶瓷

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Tb_4O_7 doped and Sm_2O_3-Tb_4O_7 co-doped containing Na_3Y(PO_4)_2 crystalline glass ceramics were prepared by melting crystallization,which heat treatment condition was 660 °C/120 min. In the emission spectrum, there are characteristic peaks of Tb~(3+) at 416 nm, 437 nm, 489 nm, 545 nm, 585 nm, and 621 nm. In addition, the emission intensity at 545 nm is the strongest corresponding to the ~5D_4→~7F_5 transition of Tb~(3+). And the optimal doping concentration of Tb_4O_7 doped glass ceramics is 0.5%. Sm_2O_3-Tb_4O_7 co-doped glass ceramics were excited at 378 nm, and the characteristic emission of Tb~(3+) and Sm~(3+) could be obtained in the same spectrum. The energy transfer of Tb~(3+) to Sm~(3+) was proved by fluorescence lifetime and Dexter theory. Sm_2O_3-Tb_4O_7 co-doped Na_3Y (PO_4)_2 crystal phase glass ceramics can be used in green lasers and White light-emitting diode (w-LEDs) by adjusting the doping concentration of Sm_2O_3 and Tb_4O_7.

机译：通过熔化结晶制备含有Na_3Y（PO_4）_2℃×2晶体玻璃陶瓷的TB_4O_7掺杂和SM_2O_3-TB_4O_7。热处理条件为660℃/ 120分钟。在发射光谱中，在416nm，437nm，489nm，545nm，585nm和621nm处存在特异性峰的Tb〜（3+）。另外，545nm处的发射强度是TB〜（3+）的〜5d_4→〜7f_5转变的最强。并且Tb_4O_7掺杂玻璃陶瓷的最佳掺杂浓度为0.5％。在378nm中激发SM_2O_3-TB_4O_7共掺杂的玻璃陶瓷，并且可以在相同的光谱中获得TB〜（3+）和SM〜（3+）的特征发射。通过荧光寿命和糊精理论证明了TB〜（3+）至SM〜（3+）的能量转移。 SM_2O_3-TB_4O_7共掺杂NA_3Y（PO_4）_2晶相玻璃陶瓷可通过调节SM_2O_3和TB_4O_7的掺杂浓度来用于绿色激光器和白色发光二极管（W-LED）。

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来源
《Materials Science and Engineering》 |2021年第10期|115352.1-115352.9|共9页
作者
Zhaohua Guo; Liying Wang; Huimin Lv; Jing Shao; Hongbo Zhang; Siying Wang; Tong Wang; Chunhui Su;
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作者单位

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

School of Chemistry and Environmental Engineering Changchun University of Science and Technology Changchun 130022 China;

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正文语种 eng
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Tb_4O_7 doped; Sm_2O_3-Tb_4O_7 co-doped; Na_3Y(PO_4)_2; Glass ceramics; Luminescence;

机译：tb_4o_7掺杂;SM_2O_3-TB_4O_7共掺杂;na_3y（po_4）_2;玻璃陶瓷;发光;

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Preparation and luminescence properties of Tb~(3+) doped and Tb~(3+)/Sm~(3+) co-doped Na_3Y(PO_4)_2 crystalline glass ceramics

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