Synthesis, photoluminescence and mechanoluminescence properties of Eu3+ ions activated Ca2</sub>Gd2</sub>W3</sub>O14</sub> phosphors

S. Sailaja; S. J. Dhoble; Nameeta Brahme; B. Sudhakar Reddy

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Synthesis, photoluminescence and mechanoluminescence properties of Eu3+ ions activated Ca2Gd2W3O14 phosphors

机译：Eu3 + 离子激活的Ca2 Gd2 W3 O14 荧光粉的合成，光致发光和机械致发光性质

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A new series of Eu3+ ions-activated calcium gadolinium tungstate [Ca2Gd2W3O14] phosphors were synthesized by conventional solid-state reaction method. The X-ray diffraction patterns of the powder samples indicate that the Eu3+: Ca2Gd2W3O14 phosphors are of tetragonal structure. The prepared phosphors were well characterized by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDAX), Fourier transform infrared spectroscopy (FTIR), photoluminescence (PL), and mechanoluminescence (ML) spectra. PL spectra of Eu3+: Ca2Gd2W3O14 powder phosphors have shown strong red emission at 615 nm (5D0 → 7F2) with an excitation wavelength λ exci = 392 nm (7F0 → 5L6). The energy transfer from tungstate groups to europium ions has also reported. Mechanoluminescence studies of Eu3+: Ca2Gd2W3O14 phosphors have also been explained systematically.

机译：通过常规固相反应法合成了一系列新的Eu3 +离子活化的钨酸钙g钙[Ca2 Gd2 W3 O14 ]荧光粉。粉末样品的X射线衍射图谱表明，Eu3 + ：Ca2 Gd2 W3 O14 荧光粉具有四方结构。制备的荧光粉通过扫描电子显微镜（SEM），能量色散X射线分析（EDAX），傅立叶变换红外光谱（FTIR），光致发光（PL）和机械发光（ML）光谱得到了很好的表征。 Eu3 + ：Ca2 Gd2 W3 O14 粉末荧光粉的PL光谱在615 nm（5 D0 →7 F2 ）的激发波长λexci = 392 nm（7 F0 →5 L6 ）。从钨酸盐集团到euro离子的能量转移也有报道。还系统地解释了Eu3 + ：Ca2 Gd2 W3 O14 磷光体的机械发光研究。

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《Journal of Materials Science》 |2011年第24期|p.7793-7798|共6页
作者
S. Sailaja; S. J. Dhoble; Nameeta Brahme; B. Sudhakar Reddy;
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Department of Physics, RTM Nagpur University, Nagpur, 440033, India;

School of Studies in Physics, Pt. Ravishankar Shukla University, Raipur, 492010, India;

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1. Synthesis, photoluminescence and mechanoluminescence properties of Eu ~(3+) ions activated Ca_2Gd_2W_3O _(14) phosphors [J] . Sailaja S., Dhoble S.J., Brahme N., Journal of Materials Science . 2011,第24期

机译：Eu〜（3+）离子激活的Ca_2Gd_2W_3O _（14）荧光粉的合成，光致发光和机械致发光性质
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Synthesis, photoluminescence and mechanoluminescence properties of Eu3+ ions activated Ca2Gd2W3O14 phosphors

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