The Influence of SiO<sub>2</sub> Shell on Fluorescent Properties of LaF<sub>3</sub>:Nd<sup>3+</sup>
/SiO<sub>2</sub> Core/Shell Nanoparticles

<table>TEM images of (a) LaF<sub>3</sub>:Nd<sup>3+</sup>, (b) LaF<sub>3</sub>:Nd<sup>3+</sup>/SiO<sub>2</sub>, (c) LaF<sub>3</sub>:Nd<sup>3+</sup>/SiO<sub>2</sub> annealed at <svg height="11.1625" id="M31" style="vertical-align:-0.27588pt" version="1.1" viewbox="0 0 28.025 11.1625" width="28.025" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.1625)">
<g transform="translate(72,-63.07)">
<text transform="matrix(1,0,0,-1,-71.95,63.39)">
<tspan style="font-size: 12.50px; " x="0" y="0">9</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="12.503" y="0">0</tspan>
</text>
<text transform="matrix(1,0,0,-1,-53.2,68.56)">
<tspan style="font-size: 8.75px; " x="0" y="0">∘</tspan>
</text>
</g>
</g>
</svg>C<sub>, </sub>SEM image of (d) LaF<sub>3</sub>:Nd<sup>3+</sup>/SiO<sub>2</sub> annealed at <svg height="11.1625" id="M32" style="vertical-align:-0.27588pt" version="1.1" viewbox="0 0 28.025 11.1625" width="28.025" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.1625)">
<g transform="translate(72,-63.07)">
<text transform="matrix(1,0,0,-1,-71.95,63.39)">
<tspan style="font-size: 12.50px; " x="0" y="0">9</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="12.503" y="0">0</tspan>
</text>
<text transform="matrix(1,0,0,-1,-53.2,68.56)">
<tspan style="font-size: 8.75px; " x="0" y="0">∘</tspan>
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</svg>C.</table>

Journal of Nanomaterials

fig2

Figure 2

Figure 2: The Influence of SiO<sub>2</sub> Shell on Fluorescent Properties of LaF<sub>3</sub>:Nd<sup>3+</sup>
/SiO<sub>2</sub> Core/Shell Nanoparticles 

Journal of Nanomaterials

The Influence of SiO2 Shell on Fluorescent Properties of LaF3:Nd3+ /SiO2 Core/Shell Nanoparticles

Figure 2

The Influence of SiO₂ Shell on Fluorescent Properties of LaF₃:Nd³⁺ /SiO₂ Core/Shell Nanoparticles