Particle Size Control of Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> Prepared via a Coconut Water-Assisted Sol-Gel Method

<table>Excitation spectra of Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> nanocrystals with average particle size of 4, 18, and 50 nm, monitored for <svg height="20.512501" id="M20" style="vertical-align:-3.86845pt" version="1.1" viewbox="0 0 86.675003 20.512501" width="86.675003" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,63.375,7.475)"><path d="M447 623l8 -12l-283 -613l-74 -10l-7 11q174 283 297 551h-216q-48 0 -62.5 -12t-33.5 -63h-29q10 60 18 148h382z" id="x37"></path></g>
<g transform="matrix(.017,-0,0,-.017,69.712,15.638)"><path d="M599 650l-18 -160l-30 -2q-2 70 -11 94q-5 16 -26 24t-75 8h-94q-27 0 -33.5 -6.5t-12.5 -32.5l-43 -226h108q52 0 72.5 5t31 18t28.5 52h28l-40 -200h-28q-1 42 -6 56.5t-24.5 21t-70.5 6.5h-108l-32 -177q-13 -65 1 -80.5t88 -22.5l-8 -28h-279l6 28q61 5 77.5 20.5
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<g transform="matrix(.012,-0,0,-.012,80.275,19.713)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g>
</svg> (614 nm) emission.</table>

Journal of Nanomaterials

fig5

Figure 5

Figure 5: Particle Size Control of Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> Prepared via a Coconut Water-Assisted Sol-Gel Method 

Journal of Nanomaterials

Particle Size Control of Y2O3:Eu3+ Prepared via a Coconut Water-Assisted Sol-Gel Method

Figure 5

Particle Size Control of Y₂O₃:Eu³⁺ Prepared via a Coconut Water-Assisted Sol-Gel Method