Abstract
Phosphors exhibiting narrow-band emissions are necessary for wide-color gamut and high efficiency liquid crystal display (LCD) backlights, but most of them are usually activated by rare earth ions. In this work, rare earth free and narrow-band red-emitting BaZnBO3F:xBi2+ phosphors were synthesized and investigated. The BaZnBO3F:xBi2+ phosphor (x = 0.006) showed a narrow emission spectrum having the maximum of 685 nm and a full width at half maximum of 72.9 eV (17 nm) upon the 459 nm excitation. The critical distance (Rc) of 31.17 Å suggested the multipole interaction responsible for the energy transfer in the title phosphors. The results indicate that the BaZnBO3F:xBi2+ phosphors could be used in blue excited w-LEDs.
Published Version
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