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. 2012 Oct 8;7(1):556. doi: 10.1186/1556-276X-7-556

Figure 4.

Figure 4

PL emission spectra and integrated luminescence emission intensity (612-nm peak). PL emission spectra of Y2O3 phosphor particles codoped with different Eu3+ and Dy3+ contents (a) and integrated luminescence emission intensity of 612-nm peak as a function of RE ion concentration (b) upon constant 254 nm excitation.