Simulated Nanoscale Peeling Process of Monolayer Graphene Sheet: Effect of Edge Structure and Lifting Position

<table>(a) Schematic illustration of the increase of the peeled area and the decrease of the surface contact area from C (<svg height="11.0375" id="M171" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 46.849998 11.0375" width="46.849998" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.0375)">
<g transform="translate(72,-63.17)">
<text transform="matrix(1,0,0,-1,-71.95,63.4)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑧</tspan>
<tspan style="font-size: 12.50px; " x="9.7023277" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.742718" y="0">6</tspan>
<tspan style="font-size: 12.50px; " x="27.994217" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="31.119967" y="0">1</tspan>
</text>
</g>
</g>
</svg> Å) to D (<svg height="10.9125" id="M172" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 54.662498 10.9125" width="54.662498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑧</tspan>
<tspan style="font-size: 12.50px; " x="9.7023277" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.742718" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="27.994217" y="0">8</tspan>
<tspan style="font-size: 12.50px; " x="34.245716" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="37.371468" y="0">3</tspan>
</text>
</g>
</g>
</svg> Å) for the graphene sheet with armchair-type free edge. (b) <svg height="14.3875" id="M173" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 26.575001 14.3875" width="26.575001" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3875)">
<g transform="translate(72,-60.49)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">−</tspan>
<tspan style="font-size: 12.50px; " x="8.5645552" y="0">𝐹</tspan>
</text>
<text transform="matrix(1,0,0,-1,-55.66,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑧</tspan>
</text>
</g>
</g>
</svg> and <svg height="14.3375" id="M174" style="vertical-align:-3.21404pt" version="1.1" viewbox="0 0 16.424999 14.3375" width="16.424999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3375)">
<g transform="translate(72,-60.53)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐹</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.22,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑥</tspan>
</text>
</g>
</g>
</svg> plotted as a function of the edge height <svg height="7.375" id="M175" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 7.9250002 7.375" width="7.9250002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.375)">
<g transform="translate(72,-66.1)">
<text transform="matrix(1,0,0,-1,-71.95,66.32)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑧</tspan>
</text>
</g>
</g>
</svg>, show qualitatively the same behavior to each other for the graphene sheet with armchair-type free edge.</table>

Journal of Nanomaterials

fig15

Figure 15

Figure 15: Simulated Nanoscale Peeling Process of Monolayer Graphene Sheet: Effect of Edge Structure and Lifting Position 