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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Luminescence and energy transfer in Dy3+/Tb3+ co-doped CaO-Al2O3-B2O3-RE 2O3 glass
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Luminescence and energy transfer in Dy3+/Tb3+ co-doped CaO-Al2O3-B2O3-RE 2O3 glass

机译：Dy3 + / Tb3 +共掺杂CaO-Al2O3-B2O3-RE 2O3玻璃的发光和能量转移

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摘要

The new calcium aluminoborate glasses with the composition of CaO-Al _2O_3-B_2O_3-RE_2O _3 (RE = Dy and Tb) were synthesized and the luminescence of Dy ~(3+) and Tb~(3+) was investigated. The results show that the emission intensity of Tb~(3+) ion was enhanced when introducing Dy ~(3+) ion into CaO-Al_2O_3-B_2O _3-Tb_2O_3 glass due to the energy transfer processes between Dy~(3+) and Tb~(3+). The energy transfer efficiencies, transfer probabilities as well as donor-acceptor critical distances were also calculated. The energy transfer mechanism between Dy ~(3+) and Tb~(3+) ions is electric dipole-dipole interaction, which can be concluded by both fluorescence decay and emission intensity ratio varieties.
机译：合成了新型的CaO-Al _2O_3-B_2O_3-RE_2O _3组成的铝硼酸钙玻璃（RE = Dy和Tb），并研究了Dy〜（3+）和Tb〜（3+）的发光。结果表明，将Dy〜（3+）离子引入CaO-Al_2O_3-B_2O _3-Tb_2O_3玻璃中后，由于Dy〜（3+）与Dy〜（3+）离子之间的能量转移过程，提高了Tb〜（3+）离子的发射强度。 Tb〜（3+）。还计算了能量转移效率，转移概率以及供体-受体临界距离。 Dy〜（3+）与Tb〜（3+）离子之间的能量转移机理是电偶极-偶极相互作用，可以通过荧光衰减和发射强度比的变化来推断。

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