Stable Aqueous Suspension and Self-Assembly of Graphite Nanoplatelets Coated with Various Polyelectrolytes

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Materials</td><td align="center">Zeta potential (mV)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">xGnP</td><td align="center"><svg height="4.5999999" id="M21" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.825 4.5999999" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,4.6)">
<g transform="translate(72,-68.32)">
<text transform="matrix(1,0,0,-1,-71.95,68.37)">
<tspan style="font-size: 12.50px; " x="0" y="0">−</tspan>
</text>
</g>
</g>
</svg>32.33 <svg height="9.3249998" id="M22" style="vertical-align:-1.09097pt" version="1.1" viewbox="0 0 10.825 9.3249998" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.325)">
<g transform="translate(72,-64.54)">
<text transform="matrix(1,0,0,-1,-71.95,65.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">±</tspan>
</text>
</g>
</g>
</svg> 1.90</td></tr><tr><td align="left">SPS-xGnP</td><td align="center"><svg height="4.5999999" id="M23" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.825 4.5999999" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,4.6)">
<g transform="translate(72,-68.32)">
<text transform="matrix(1,0,0,-1,-71.95,68.37)">
<tspan style="font-size: 12.50px; " x="0" y="0">−</tspan>
</text>
</g>
</g>
</svg>68.6 <svg height="9.3249998" id="M24" style="vertical-align:-1.09097pt" version="1.1" viewbox="0 0 10.825 9.3249998" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.325)">
<g transform="translate(72,-64.54)">
<text transform="matrix(1,0,0,-1,-71.95,65.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">±</tspan>
</text>
</g>
</g>
</svg> 0.75</td></tr><tr><td align="left">PEDT/SPS-xGnP</td><td align="center"><svg height="4.5999999" id="M25" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.825 4.5999999" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,4.6)">
<g transform="translate(72,-68.32)">
<text transform="matrix(1,0,0,-1,-71.95,68.37)">
<tspan style="font-size: 12.50px; " x="0" y="0">−</tspan>
</text>
</g>
</g>
</svg>52.25 <svg height="9.3249998" id="M26" style="vertical-align:-1.09097pt" version="1.1" viewbox="0 0 10.825 9.3249998" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.325)">
<g transform="translate(72,-64.54)">
<text transform="matrix(1,0,0,-1,-71.95,65.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">±</tspan>
</text>
</g>
</g>
</svg> 1.49</td></tr><tr><td align="left">PDAC-xGnP</td><td align="center">49.39 <svg height="9.3249998" id="M27" style="vertical-align:-1.09097pt" version="1.1" viewbox="0 0 10.825 9.3249998" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.325)">
<g transform="translate(72,-64.54)">
<text transform="matrix(1,0,0,-1,-71.95,65.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">±</tspan>
</text>
</g>
</g>
</svg> 0.45</td></tr><tr><td align="left">PEI-xGnP</td><td align="center">48.56  <svg height="9.3249998" id="M28" style="vertical-align:-1.09097pt" version="1.1" viewbox="0 0 10.825 9.3249998" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.325)">
<g transform="translate(72,-64.54)">
<text transform="matrix(1,0,0,-1,-71.95,65.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">±</tspan>
</text>
</g>
</g>
</svg> 1.01</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Zeta potential of xGnP before and after the noncovalent attachment of polymers.

Journal of Nanomaterials

tab3

Table 3

Table 3: Stable Aqueous Suspension and Self-Assembly of Graphite Nanoplatelets Coated with Various Polyelectrolytes 