Layer-by-Layer Assembly and Photocatalytic Activity of Titania Nanosheets on Coal Fly Ash Microspheres

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td align="left">Samples</td><td align="center">CFA</td><td align="center">Ti<sub>0.91</sub>O<sub>2</sub>/CFA-2</td><td align="center">Ti<sub>0.91</sub>O<sub>2</sub>/CFA-4</td><td align="center">Ti<sub>0.91</sub>O<sub>2</sub>/CFA-6</td><td align="center">Ti<sub>0.91</sub>O<sub>2</sub>/CFA-8</td><td align="center">TBA-intercalated <br/>layered titanate [<a href="/journals/ijp/2014/823078/#B30">42</a>]</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left"><svg height="15.5375" id="M19" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 29.9125 15.5375" width="29.9125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.225,15.475)"><path d="M372 352v-2q176 -27 176 -159q0 -99 -95 -151q-73 -40 -196 -40h-221v28q65 5 78.5 19t13.5 76v404q0 63 -12 77t-72 18v28h257q102 0 150 -34q26 -18 41 -48.5t15 -65.5q0 -111 -135 -150zM213 362h47q80 0 117.5 32t37.5 96q0 56 -33 92t-100 36q-41 0 -56 -10
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</svg> (m<sup>2</sup>/g)</td><td align="center">2.62</td><td align="center">1.94</td><td align="center">1.72</td><td align="center">1.26</td><td align="center">1.41</td><td align="center">24</td></tr><tr><td align="left">Pore volume (cm<sup>3</sup>/g) × 10<sup>3</sup></td><td align="center">12.6</td><td align="center">12.2</td><td align="center">10.6</td><td align="center">7.9</td><td align="center">8.5</td><td align="center">0</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

BET surface area and pore volume of CFA and Ti<sub>0.91</sub>O<sub>2</sub>/CFA.

International Journal of Photoenergy

tab2

Table 2

Table 2: Layer-by-Layer Assembly and Photocatalytic Activity of Titania Nanosheets on Coal Fly Ash Microspheres 