Enhanced Photocatalytic Activity of ZrO2-SiO2 Nanoparticles by Platinum Doping

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Sample</td><td align="center"><svg height="12.4375" id="M29" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 42.525002 12.4375" width="42.525002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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l5 26q38 4 74 13.5t57 17t25 7.5q12 0 4 -32l-104 -443h2q35 38 97 93q39 35 65.5 56t62 41.5t58.5 20.5q19 0 30.5 -10t11.5 -22z" id="x1D458"></path></g><g transform="matrix(.017,-0,0,-.017,12.387,12.162)"><path d="M528 54l-36 -38l-198 201l-198 -201l-36 38l197 200l-197 201l36 38l198 -202l198 202l36 -38l-197 -201z" id="xD7"></path></g><g transform="matrix(.017,-0,0,-.017,26.139,12.162)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.017,-0,0,-.017,34.298,12.162)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
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</svg>−4, min−1</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">ZrO2-SiO2</td><td align="center">20</td></tr><tr><td align="left">0.1 Pt/ZrO2-SiO2</td><td align="center">50</td></tr><tr><td align="left">0.2 Pt/ZrO2-SiO2</td><td align="center">110</td></tr><tr><td align="left">0.3 Pt/ZrO2-SiO2</td><td align="center">200</td></tr><tr><td align="left">0.4 Pt/ZrO2-SiO2</td><td align="center">220</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Observed rate constants of CN− degradation using ZrO2-SiO2 and Pt/ZrO2-SiO.

International Journal of Photoenergy

tab2

Table 2

Table 2: Enhanced Photocatalytic Activity of ZrO2-SiO2 Nanoparticles by Platinum Doping