In the present work, trivalent europium (Eu3+) ion activated Mg3(PO4)2 red phosphors have been synthesized through solid-state reaction method. X-ray diffraction (XRD) confirmed the successful formation of Mg3(PO4)2:Eu3+ phosphors with monoclinic phase (space group P21/c (14). The photoluminescence (PL) spectroscopy was used to record the excitation and emission spectrum of Eu3+ activated Mg3(PO4)2 phosphor. The resulting samples displayed the typical emissions of Eu3+ ions corresponding to the 5D0 → 7FJ transitions when excited at 395 nm. A 0.5 mol% Eu3 + ion doping concentration was found to be ideal. The best concentration of Eu3+ ions for doping was discovered to be 0.5 mol%. The CIE coordinates of Eu3+ activated Mg3(PO4)2 phosphor is calculated, which shows strong red emission. In addition, phosphate group replaced with molybdate, tungstate and sulfate group and found enhancement in emission intensity of prepared phosphors. The outcomes showed that the Eu3+-activated Mg3(PO4)2 phosphors are excellent red-emitting phosphors for use in white LEDs that are driven by near-ultraviolet light.
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