Abstract
The synthesis of pure and rare-earth doped gallium oxide (β-Ga₂O₃) nanoparticles is reported. The synthesized nanoparticles are characterized with XRD, TEM, and PL analyses. Strong blue emission is observed from un-doped gallium oxide nanoparticles, while nanoparticles doped with Eu 3+ and Tb 3+ give strong red and green emissions, respectively. When doped with Eu 3+ and Tb 3+ together, gallium oxide nanoparticles emit white light. The CIE co-ordinate of the emitted light was found to be (0.33, 0.33), which is well within the white light region.
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