Synthesis of Luminescent Ink from Europium-Doped Y₂O₃ Dispersed in Polyvinyl Alcohol Solution

Figure 6

(a) FTIR spectrum of stable colloid from Y₂O₃:Eu particles in a PVA solution, (b) FTIR spectrum of a PVA solution without Y₂O₃:Eu particles, and (c) FTIR spectrum of colloid from Y₂O₃:Eu particles in a glycerin solution.