Light-Emitting Polymer Nanocomposites

<table>Complex viscosity as a function of frequency at 220<svg height="13.1875" id="M17" style="vertical-align:-0.20473pt" version="1.1" viewbox="0 0 19.299999 13.1875" width="19.299999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.012,-0,0,-.012,2.9,4.712)"><path d="M326 255q0 -56 -41 -96t-99 -40t-99 40t-41 96t41 96t99 40t99 -40t41 -96zM274 255q0 38 -25.5 65t-62.5 27t-62.5 -27t-25.5 -65t25.5 -65t62.5 -27t62.5 27t25.5 65z" id="x2218"></path></g>
<g transform="matrix(.017,-0,0,-.017,7.937,12.875)"><path d="M614 175l29 -10q-33 -109 -57 -154q-121 -26 -184 -26q-90 0 -160.5 29t-112.5 77t-63.5 105.5t-21.5 119.5q0 157 108 253t277 96q36 0 71.5 -5t69 -13.5t36.5 -8.5q15 -102 20 -150l-29 -8q-20 79 -66.5 114t-128.5 35q-119 0 -187.5 -86t-68.5 -207
q0 -140 73.5 -227.5t188.5 -87.5q73 0 119.5 37.5t86.5 116.5z" id="x43"></path></g>
</svg> for neat PMMA and PMMA nanocomposites of PA : Tb<sup>3+</sup> : LaF<sub>3</sub> (a) and ASA :Tb<sup>3+</sup> : LaF<sub>3</sub> (b) at varying ligand to nanoparticle ratios.</table>

Journal of Nanotechnology

Light-Emitting Polymer Nanocomposites

Figure 7