Figure 8.

PL emission spectra of Y2O3:1%Eu3+-1%Dy3+phosphor particles (λexc.= 254 and 350 nm, respectively) with assigned transitions. Inset digital photographs showed the eye-visible red and yellow luminescence emissions.

Atabaev et al. Nanoscale Research Letters 2012 7:556   doi:10.1186/1556-276X-7-556
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