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Issue 87, 2016, Issue in Progress
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High-temperature crystalline α′H- and α-Ca2SiO4:Eu2+ phosphors stabilized at room temperature by incorporating phosphorus ions

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Abstract

In this work, high-temperature crystalline α′H- and α-Ca2SiO4:Eu2+ phosphors stabilized at room temperature are synthesized by incorporating a suitable amount of phosphorus ions. The crystalline structures and the influence of phosphorus ions on the crystalline phases as well as the photoluminescent properties for phosphorus stabilized α′H- and α-Ca2SiO4:Eu2+ phosphors are investigated in detail. The results indicate that the α′H- and α-Ca2SiO4 high-temperature crystalline phases can be quenched at room temperature with incorporation of 12% and 42% phosphorus ions (replacing Si ions), respectively, shielding the stability effect of Eu2+ ions on the β-form (low Eu2+ concentration) and α′L-form (high Eu2+ concentration). Tunable emissions from green to orange-red light are observed with the increase of the Eu2+ doping concentration in both of α′H-Ca2Si0.88P0.12O4:Eu2+ and α-Ca2Si0.58P0.42O4:Eu2+ phosphors, indicating their promising prospect in applications of LED lighting.

Graphical abstract: High-temperature crystalline α′H- and α-Ca2SiO4:Eu2+ phosphors stabilized at room temperature by incorporating phosphorus ions

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Publication details

The article was received on 30 Apr 2016, accepted on 27 Aug 2016 and first published on 31 Aug 2016


Article type: Paper
DOI: 10.1039/C6RA11216A
RSC Adv., 2016,6, 83776-83782

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    High-temperature crystalline α′H- and α-Ca2SiO4:Eu2+ phosphors stabilized at room temperature by incorporating phosphorus ions

    J. Chen, Y. Yang, J. Xu, Z. Mao, D. Wang, L. Bie and B. D. Fahlman, RSC Adv., 2016, 6, 83776
    DOI: 10.1039/C6RA11216A

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