Research Article

A Novel Orange-Red Emitting ZnB4O7:Eu3+ Phosphor with Urchin-Like Nanostructure

Figure 5

Excitation (a) and emission (b) spectra of ZnB4O7:5 at% Eu3+ phosphor. Inset in (b) is the optical photographs of the phosphor in UV and black light exposure.
(a)
(b)