Excitation Induced Tunable Emission in Ce³⁺/Eu³⁺ Codoped BiPO₄ Nanophosphors

Figure 7

(a) Comparison of Eu³⁺: excitation spectrum and Ce³⁺: emission spectrum, (b) and (c) PLE and PL spectra of all the Ce³⁺/Eu³⁺ codoped samples with 394 nm, and 417 nm excitation wavelengths.

(a)

(b)

(c)