Extensive attention has been focused on the development of rare-earth-free phosphors, due to their low cost, good absorption and emission properties. However, the yellow light emitted phosphors with good quantum yield and thermal stability are still urgent. Herein, we successfully prepare the single-phase Zn₃V₂O₈ yellow phosphor through a solid state reaction method. The as-prepared phosphors present a broad absorption band in UV/NUV region, and exhibit an intense broadband emission spectrum under the NUV light excitation at 365 nm. The Zn₃V₂O₈ phosphors also show excellent luminescence performance including strong emission intensity, long PL lifetime, high quantum yield, and good thermal stability. Moreover, this sample obtains a CIE coordinate of (0.364, 0.486) in the yellow light region. Therefore, the Zn₃V₂O₈ phosphors can be considered as a novel yellow light source for w-LED devices.

由于其低成本，良好的吸收和发射特性，人们对无稀土磷光体的开发给予了广泛关注。然而，具有良好的量子产率和热稳定性的黄光发射的磷光体仍然是紧迫的。本文中，我们通过固态反应方法成功制备了单相Zn ₃ V ₂ O ₈黄色荧光粉。所制备的磷光体在UV / NUV区域具有较宽的吸收带，并且在365 nm的NUV光激发下表现出很强的宽带发射光谱。Zn ₃ V ₂ O ₈磷光体还显示出出色的发光性能，包括强发光强度，长PL寿命，高量子产率和良好的热稳定性。此外，该样品在黄光区域中获得的CIE坐标为（0.364，0.486）。因此，可以将Zn ₃ V ₂ O ₈荧光粉视为w-LED器件的新型黄色光源。