【摘要】 通过传统的高温固相法成功合成了SrSnO₃∶Eu³⁺红色荧光粉。通过对样品X射线衍射图谱、激发发射图谱和衰减曲线的研究,证明了合成的SrSnO₃∶Eu³⁺红色荧光粉是纯相而且具有良好的发光性能与热稳定性。SrSnO₃∶0.05Eu³⁺荧光粉在396 nm激发下Eu³⁺通过⁵D₀→⁷F₂能级跃迁,在614 nm处发出比较强烈的红光,色坐标为（0.608,0.386）,通过计算得出温度猝灭的活化能ΔE=0.138 e V。综上所述,SrSnO₃∶Eu³⁺荧光粉是一种比较有前途的白色LED用近紫外蓝光激发红色荧光粉。更多还原

【Abstract】 A red-emitting phosphor Sr Sn O₃∶ Eu^{3 +}was synthesized through the high temperature solid-state method in this article. The phosphors were characterized by X-ray powder diffraction. The characteristic photoluminescence properties were studied in detail by photoluminescence excitation,emission spectra and decay time. The red-emitting phosphor Sr Sn O₃∶ H₂Owas proved to be a pure phase,and with good luminescent properties and thermal stability. Under excitation at 396 nm,sharp red light can be observed due to the ⁵D₀→⁷F₂ transition of the 0. 05H₂O at 614 nm,the color coordinates（ 0. 608,0. 386）. The activation energy for thermal quenching was calculated that the value of ΔE was about 0. 138 e V obtained from the fitting results. Above all,Sr Sn O₃∶ H₂O can be a potential red emitting phosphor for NUV/blue pumped white LEDs.更多还原