Mn4+激活氧氟化物红光荧光粉的研究进展
姬海鹏1(
),张宗涛1,XU Jian2,TANABE Setsuhisa2,陈德良1(),解荣军3()
),张宗涛1,XU Jian2,TANABE Setsuhisa2,陈德良1(),解荣军3()
Advance in Red-emitting Mn4+-activated Oxyfluoride Phosphors
JI Haipeng1(),ZHANG Zongtao1,XU Jian2,TANABE Setsuhisa2,CHEN Deliang1(),XIE Rongjun3()
),ZHANG Zongtao1,XU Jian2,TANABE Setsuhisa2,CHEN Deliang1(),XIE Rongjun3()
图4. (a) Cs2WO2F4的晶体结构, 其含有具有较小畸变的W(O,F)6配位八面体, 右下所示为Mn4+在K2MnF6中的微观配位八面体; (b) Cs2WO2F4:Mn4+的激发与发射光谱(插图为其在365 nm激发下照片)[
Fig. 4. (a) Unit cell of Cs2WO2F4 which contains slightly- distorted [W(O,F)6] octahedra, with the bottom-right showing the local coordination of Mn4+ in K2MnF6; (b) Excitation and emission spectra of Cs2WO2F4:Mn4+ with inset showing the phosphor image under 365 nm light[
