Figure 8

(a) variation of Eu3+ ion concentration with the Eu3+ emission and Ho3+ emission in CYO:Ho3+,xEu3+ (x = 0, 1, 3, 5, 7, 9 mol%) nanophosphor (b) The variation of log(x) versus log(I/x) of CYO:Ho3+,xEu3+ nanophosphor.

(a) variation of Eu3+ ion concentration with the Eu3+ emission and Ho3+ emission in CYO:Ho3+,xEu3+ (x = 0, 1, 3, 5, 7, 9 mol%) nanophosphor (b) The variation of log(x) versus log(I/x) of CYO:Ho3+,xEu3+ nanophosphor.