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新疆师范大学 新疆矿物发光材料及其微结构实验室, 新疆 乌鲁木齐 830054
纸质出版日期:2017-2-5,
收稿日期:2016-8-4,
修回日期:2016-8-30,
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吐沙姑·,阿不都吾甫, 戴鹏鹏等. Dy3+,Sm3+共掺杂Ca2A1[AlSiO7]荧光粉的发光性质研究[J]. 发光学报, 2017,38(2): 154-159
Tushagu·,ABUDUWUFU, DAI Peng-peng etc. Luminescent Properties of Dy3+, Sm3+ Co-doped Ca2A1[AlSiO7] Phosphors[J]. Chinese Journal of Luminescence, 2017,38(2): 154-159
吐沙姑·,阿不都吾甫, 戴鹏鹏等. Dy3+,Sm3+共掺杂Ca2A1[AlSiO7]荧光粉的发光性质研究[J]. 发光学报, 2017,38(2): 154-159 DOI: 10.3788/fgxb20173802.0154.
Tushagu·,ABUDUWUFU, DAI Peng-peng etc. Luminescent Properties of Dy3+, Sm3+ Co-doped Ca2A1[AlSiO7] Phosphors[J]. Chinese Journal of Luminescence, 2017,38(2): 154-159 DOI: 10.3788/fgxb20173802.0154.
采用高温固相反应法合成了一系列Dy
3+
、Sm
3+
单掺杂和共掺杂铝方柱石发光材料,详细地研究了Dy
3+
、Sm
3+
掺杂对铝方柱石的结构和发光性质的影响。XRD结果表明Dy
3+
、Sm
3+
离子单掺杂和共掺杂样品均形成了单相的铝方柱石结构化合物,并没有改变基质的晶体结构。发光光谱表明,通过调节Dy
3+
、Sm
3+
离子的掺杂比例,发光颜色可实现从黄色到黄白色的可控调节。此外,发射和激发光谱表明,Dy
3+
与Sm
3+
离子之间存在有效的光谱重叠,暗示着Dy
3+
Sm
3+
的能量传递。荧光寿命衰减结果进一步证实Dy
3+
与Sm
3+
离子之间是一种无辐射共振能量传递方式。
A series of Dy
3+
Sm
3+
co-doped Ca
2
A1[AlSiO
7
] phosphors were synthesized by the solid-state reaction. The crystal structure and luminescent properties of the samples were investigated by XRD
PL spectra and lifetime decay. XRD results show that the as-prepared phosphors are single-phase melilite compounds. Dy and Sm codoped do not vary the crystal structure of melilite. The PL spectra results show that the emission color can be tuned from yellow-emitting to warm-white lighting by changing the ratio of Dy
3+
to Sm
3+
. In addition
the PL and PLE results demonstrate that there is a significant energy transfer from Dy
3+
to Sm
3+
. The lifetime decay results further verified that the energy-transfer mode of Dy
3+
Sm
3+
is attributed to the nonradiative energy-transfer.
高温固相法Ca2A1[AlSiO7]:Dy3+Sm3+能量传递色坐标
traditional solid state reactionCa2A1[AlSiO7]:Dy3+Sm3+energy transfercolor coordinates
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