Abstract
A series of ternary nitride solid solutions with a general formula of (2 atom %) were synthesized by the carbothermal reduction and nitridation (CRN) method. The structure and luminescence properties were characterized for practical applications as a potential red phosphor for the phosphor-converted white light-emitting diodes (LEDs). The solid solutions were formed as the uniformly single phases with orthorhombic and monoclinic (Cc) symmetry at each end of , while in the range of , such solid solution phases coexisted. All of the obtained phosphors were well crystallized and the grains grew from with increasing content. These phosphors showed broadened excitation spectra originated from the transition of ions, so that the intense orange-red emission bands were observed under the excitation of corresponding to the output lights of near-UV or blue LEDs.
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