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A novel Ba2MgMoO6:Eu3+ orange-red phosphor: Photoluminescence properties and mechanism of charge and energy transfer

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Abstract

A novel Ba2MgMoO6:Eu3+ orange-red phosphor was synthesized by the Pechini method and characterized by x-ray diffraction. Photoluminescence properties of BaMgMoO6:Eu3+ phosphors have been represented in the excitation and emission spectra. The charge transfer (CT) band of Ba2MgMoO6 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 5D0 → 7F1 (598 nm) of Eu3+ in Ba2MgMoO6:Eu3+ 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 Ba2MgMoO6:Eu3+, and the optimal doping concentration is about 0.05. The mechanism of charge and energy transfer from Ba2MgMoO6 host to Eu3+ is proposed and analyzed on the basis of its crystal structure. In a word, Ba2MgMoO6:Eu3+ may be a promising orange-red component for near UV white LEDs.

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ACKNOWLEDGMENT

This work is supported by the National Natural Science Foundation of China (Grant No. 21271049).

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Authors and Affiliations

  1. School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou, 510006, People’s Republic of China

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

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  1. Shaoan Zhang
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  2. Yihua Hu
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  3. Li Chen
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  4. Xiaojuan Wang
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Correspondence to Yihua Hu.

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Zhang, S., Hu, Y., Chen, L. et al. A novel Ba2MgMoO6:Eu3+ orange-red phosphor: Photoluminescence properties and mechanism of charge and energy transfer. Journal of Materials Research 28, 3130–3136 (2013). https://doi.org/10.1557/jmr.2013.311

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