采用高温固相反应法制备了Ba1.97Ca1-x(B3O6)2∶Eu2+, Mn2+x(x=0, 0.03, 0.06, 0.15)荧光粉, 研究了其相组成与荧光特性. 结果表明, 样品具有单相Ba2Ca(B3O6)2晶体结构. Eu2+同时占据Ba2+格位和Ca2+格位. 在317 nm波长的紫外光激发下, Eu2+辐射出峰值在450 nm附近的宽谱蓝光. 通过能量传递作用, Mn2+辐射峰值为600 nm左右的宽谱红光. 蓝光和红光叠加形成色坐标为(x=0.371, y=0.282)的近白光发射. 样品的激发光谱分布在250～400 nm的波长范围, 有望在紫外激发的白光LED中获得应用.

The Ba1.97Ca1-x(B3O6)2∶Eu2+, Mnx2+(x=0,0.03,0.06,0.15) phosphors were synthesized by high temperature solid-state reaction, and their phase composition and luminescence properties were studied. In these phosphors, Eu2+ locates at the crystal sites of Ba2+ and Ca2+ ions. Under 317 nm UV light excitation, the 5d→4f transition of Eu2+ forms a broad blue emission band with a peak at 450 nm. With the energy transfer from Eu2+ions, Mn2+ ions emit a broad red band with the peak at 600 nm. The mixture of the broad blue emission and a broad red emission forms an approximate white light with the CIE chromaticity (x=0.371, y=0.282). The phosphors can be excited effectively by UV light in the range of 250-400 nm, so they are the potential candidates for single white light-emitting phosphor excited by UV-LED.