Figure 4

(a) FTIR spectra of CYO:Ho3+,xEu3+ nanophosphors for x = 0, 1, 3, 5, 7, 9 mol% (b) FTIR of 5% doped CYO:Ho3+,xEu3+ nanophosphors with characteristic vibrations.

(a) FTIR spectra of CYO:Ho3+,xEu3+ nanophosphors for x = 0, 1, 3, 5, 7, 9 mol% (b) FTIR of 5% doped CYO:Ho3+,xEu3+ nanophosphors with characteristic vibrations.