Tunable long lasting phosphorescence due to selective energy transfer from defects to luminescent centres via tunnelling in Mn2+ and Tm3+ co-doped zinc pyrophosphate
作 者
; R Pang, Y. Jia, R. Zhao , H.F. Li , Jipeng Fu, W.Z. Sun, L.H. Jiang, S. Zhang , C.Y. Li*, Q. Su