In this paper, we report synthesis of pure SrMoO₄, Sm³⁺ (1 at%–5 at%) doped SrMoO₄ and Bi³⁺ (1 at%–3 at%) co-doped in 4 at% Sm³⁺ doped SrMoO₄ (SrMoO₄:4Sm³⁺) phosphors by solution combustion method. The X-ray diffraction (XRD) analysis reveals the tetragonal phase of all samples, also Bi³⁺ co-doping supports crystallite size growth and reduces lattice strain. Absorption analysis of Sm³⁺ doped SrMoO₄ ascertains a decrease in band gap and Bi³⁺ co-doping confirms the emergence of an absorbance peak at around 308 nm attributed to Bi³⁺ energy levels. Photoluminescence (PL) analysis ascertains an increase in emission peaks for Sm³⁺ doped SrMoO₄ up to 4% concentration, which are attributed to an electron transition from ⁴G_5/2 to ⁶H_J (J = 5/2, 7/2, 9/2, and 11/2) energy levels of Sm³⁺ ions. We have explained the effects of Bi³⁺ co-doping on the luminescence of Sm³⁺ doped SrMoO₄. The reduced microstrain and increased crystallinity of the phosphors as a result of Bi³⁺ co-doping and their correlation with the luminescence of Sm³⁺ ions are discussed.

在本文中，我们报告了纯 SrMoO ₄、Sm ³⁺ (1 at%–5 at%) 掺杂的 SrMoO ₄和 Bi ³⁺ (1 at%–3 at%) 共掺杂在 4 at% Sm ^{3+ 中的}合成通过溶液燃烧法制备掺杂的SrMoO ₄ ( SrMoO ₄ :4Sm ³⁺ ) 荧光粉。X 射线衍射 (XRD) 分析揭示了所有样品的四方相，而且 Bi ³⁺共掺杂支持微晶尺寸增长并降低晶格应变。Sm ³⁺掺杂的 SrMoO _{4 的}吸收分析确定带隙减小，Bi ³⁺共掺杂证实在 308 nm 附近出现吸收峰归因于 Bi³⁺能量水平。光致发光 (PL) 分析确定 Sm ³⁺掺杂的 SrMoO _{4 的}发射峰增加到 4% 的浓度，这是由于电子从⁴ G _5/2跃迁到⁶ H _J ( J  = 5/2, 7/ 2、9/2 和 11/2) Sm ³⁺离子的能级。我们已经解释了 Bi ³⁺共掺杂对 Sm ³⁺掺杂的 SrMoO ₄发光的影响。Bi ³⁺共掺杂导致荧光粉微应变降低和结晶度增加及其与 Sm ³⁺发光的相关性 离子进行了讨论。