A novel Ba_2MgMoO_6:Eu~(3+) orange-red phosphor: Photoluminescence properties and mechanism of charge and energy transfer

Shaoan Zhang; Yihua Hu; Li Chen; Xiaojuan Wang; Guifang Ju; Yan Fan

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A novel Ba_2MgMoO_6:Eu~(3+) orange-red phosphor: Photoluminescence properties and mechanism of charge and energy transfer

机译：新型Ba_2MgMoO_6：Eu〜（3+）橙红色荧光粉：光致发光性质以及电荷和能量转移的机理

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A novel Ba_2MgMoO_6:Eu~(3+) orange-red phosphor was synthesized by the Pechini method and characterized by x-ray diffraction. Photoluminescence properties of BaMgMoO_6:Eu~(3+) phosphors have been represented in the excitation and emission spectra. The charge transfer (CT) band of Ba_2MgMoO_6 host is situated at near-ultraviolet (UV) region, whose central wave length and bandwidth are 394 and 80 nm, respectively. And it matches well the emission wave length from near-UV light emitting diodes (LEDs). The most intensive emission of ~5D_0 -> ~7F_1 (598 nm) of Eu~(3+) in Ba_2MgMoO_6:Eu~(3+) is much narrow with a full width at half-maximum less than 2 nm under excitation with either CT band or 394 nm. And a low concentration quenching occurs in Ba_2MgMoO_6:Eu~(3+), and the optimal doping concentration is about 0.05. The mechanism of charge and energy transfer from Ba_2MgMoO_6 host to Eu~(3+) is proposed and analyzed on the basis of its crystal structure. In a word, Ba_2MgMoO_6:Eu~(3+) may be a promising orange-red component for near UV white LEDs.

机译：通过Pechini方法合成了新型的Ba_2MgMoO_6：Eu〜（3+）橙红色荧光粉，并通过X射线衍射对其进行了表征。 BaMgMoO_6：Eu〜（3+）荧光粉的光致发光特性已经在激发和发射光谱中得到了体现。 Ba_2MgMoO_6主体的电荷转移（CT）带位于近紫外（UV）区域，其中心波长和带宽分别为394和80 nm。而且它与近紫外发光二极管（LED）的发射波长非常匹配。在Ba_2MgMoO_6：Eu〜（3+）中，Eu〜（3+）的〜5D_0->〜7F_1（598 nm）的最密集发射非常窄，在任何一种激发下，半峰全宽小于2 nm。 CT波段或394 nm。 Ba_2MgMoO_6：Eu〜（3+）中发生低浓度猝灭，最佳掺杂浓度约为0.05。提出并分析了Ba_2MgMoO_6主体向Eu〜（3+）的电荷和能量转移的机理。简而言之，Ba_2MgMoO_6：Eu〜（3+）可能是近紫外白光LED的有希望的橙红色成分。

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来源
《Journal of Materials Research》 |2013年第22期|3130-3136|共7页
作者
Shaoan Zhang; Yihua Hu; Li Chen; Xiaojuan Wang; Guifang Ju; Yan Fan;
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作者单位

School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006,People's Republic of China;

School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006,People's Republic of China;

School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006,People's Republic of China;

School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006,People's Republic of China;

School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006,People's Republic of China;

School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006,People's Republic of China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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A novel Ba_2MgMoO_6:Eu~(3+) orange-red phosphor: Photoluminescence properties and mechanism of charge and energy transfer

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