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Issue 6, 2014
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Structure, photoluminescent and cathodoluminescent properties of a rare-earth free red emitting β-Zn3B2O6:Mn2+ phosphor

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Abstract

A rare-earth free red emitting β-Zn3B2O6:Mn2+ phosphor was prepared by a solid-state reaction method. The crystal structure, photoluminescent and cathodoluminescent properties of β-Zn3B2O6:Mn2+ were systematically investigated. The absorption and photoluminescence excitation spectra confirm that β-Zn3B2O6:Mn2+ matches the UV LED chip. Under UV light and low-voltage electron beam excitations, an interesting orange-red emission band centered at ∼600 nm of Mn2+ at the tetrahedral Zn2+ sites is observed. Besides, the unusual red shift with increasing Mn2+ content is also found and contributed to an exchange interaction between Mn2+. In addition, under low-voltage excitation, β-Zn3B2O6:Mn2+ exhibits higher color purity of 98.1% than that of the commercial ZnS:Ag,Cd yellow phosphor and reported ZnGeN2:Mn2+ orange phosphor, which indicated the β-Zn3B2O6:Mn2+ has a patenting application in FEDs.

Graphical abstract: Structure, photoluminescent and cathodoluminescent properties of a rare-earth free red emitting β-Zn3B2O6:Mn2+ phosphor

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Publication details

The article was received on 02 Sep 2013, accepted on 30 Oct 2013 and first published on 31 Oct 2013


Article type: Paper
DOI: 10.1039/C3DT52405A
Citation: Dalton Trans., 2014,43, 2418-2423
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    Structure, photoluminescent and cathodoluminescent properties of a rare-earth free red emitting β-Zn3B2O6:Mn2+ phosphor

    Y. Shi, Y. Wen, M. Que, G. Zhu and Y. Wang, Dalton Trans., 2014, 43, 2418
    DOI: 10.1039/C3DT52405A

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