Abstract
Motivated by the need of new phosphors for solid-state lighting applications, Eu 2+, Mn 2+-doped SrBPO 5 was prepared by solid-state reaction and its photoluminescence properties were investigated. The excitation band of the phosphors covers wide region from 300 to 410 nm, which can be excited effectively by InGaN chip. The emission band consists of two peaks located at 433 and 509 nm, respectively. Adjusting the content of Eu 2+ and Mn 2+ could result in color-coordinate parameters x, y changing regularly, and lighting color moves from blue to blue-white. The experimental results show that SrBPO 5:Eu 2+, Mn 2+ is a promising single host phosphor to use in white light emitting diode (WLED).
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