<svg style="vertical-align:-4.32007pt;width:42.637501px;" id="M1" height="20.637501" version="1.1" viewBox="0 0 42.637501 20.637501" width="42.637501" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,15.188)"><path id="x54" d="M592 498l-30 -3q-13 63 -31 89q-13 19 -33.5 25.5t-75.5 6.5h-70v-493q0 -60 16 -75.5t86 -19.5v-28h-286v28q68 4 83.5 19.5t15.5 75.5v493h-62q-60 0 -83 -7t-33 -24q-12 -17 -32 -90h-29q10 116 12 180h20q10 -16 21 -20.5t34 -4.5h395q19 0 28.5 5t21.5 20h21
q2 -89 11 -177z" /></g><g transform="matrix(.022,-0,0,-.022,11.674,15.188)"><path id="x69" d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" /></g><g transform="matrix(.022,-0,0,-.022,17.682,15.188)"><path id="x4F" d="M381 665q131 0 226.5 -93t95.5 -239q0 -158 -96 -253t-238 -95q-137 0 -231 95t-94 238q0 142 92.5 244.5t244.5 102.5zM359 629q-89 0 -151 -74.5t-62 -208.5q0 -141 69 -233t175 -92q90 0 150.5 74t60.5 211q0 152 -69 237.5t-173 85.5z" /></g><g transform="matrix(.016,-0,0,-.016,34.425,20.575)"><path id="x32" d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" /></g></svg>/<svg style="vertical-align:-4.32007pt;width:41.525002px;" id="M2" height="20.4125" version="1.1" viewBox="0 0 41.525002 20.4125" width="41.525002" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,14.975)"><path id="x53" d="M409 504l-29 -5q-16 60 -44.5 96t-86.5 36q-54 0 -82.5 -32t-28.5 -77q0 -51 30.5 -82.5t96.5 -65.5l35.5 -18t33 -19.5t33.5 -23.5l27 -25.5t24.5 -32t13.5 -36.5t6 -45q0 -80 -62 -134.5t-160 -54.5q-47 0 -98 15q-22 7 -50 21q-8 23 -27 155l30 7q7 -27 18 -52
t30 -51.5t49 -42.5t67 -16q56 0 88 32.5t32 87.5q0 51 -31.5 82t-98.5 67q-80 44 -110 73q-55 53 -55 124q0 75 56 126.5t150 51.5q53 0 126 -23z" /></g><g transform="matrix(.022,-0,0,-.022,10.553,14.975)"><use xlink:href="#x69" /></g><g transform="matrix(.022,-0,0,-.022,16.561,14.975)"><use xlink:href="#x4F" /></g><g transform="matrix(.016,-0,0,-.016,33.3,20.35)"><use xlink:href="#x32" /></g></svg> Composite Films Immobilized on Foam   Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde

<table>XRD patterns
of T1, S1T1, S2T1, T2, S1T2, and S2T2. (Symbol: <svg height="7.6750002" id="M32" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 9.0124998 7.6750002" width="9.0124998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.613)"><path d="M455 252q0 -79 -57 -136t-136 -57q-80 0 -136 56q-56 58 -56 137q0 77 56 135q57 57 136 57q84 0 138 -56q55 -55 55 -136z" id="x2022"></path></g>
</svg>—anatase TiO<sub>2</sub>, <svg height="7.6999998" id="M33" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 8.3125 7.6999998" width="8.3125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.638)"><path d="M453 85l-2 -2h-420l-2 2l211 361h2z" id="x25B4"></path></g>
</svg>—NiO, <svg height="7.9250002" id="M34" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 7.9250002" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.863)"><path d="M506 291l-164 -64l95 -149l-31 -22l-112 136l-112 -136l-31 22l95 149l-164 64l12 36l170 -44l11 176h38l11 -176l171 44z" id="x22C6"></path></g>
</svg>—Ni.)</table>

International Journal of Photoenergy

fig5

Figure 5

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q2 -89 11 -177z" /></g><g transform="matrix(.022,-0,0,-.022,11.674,15.188)"><path id="x69" d="M135 536q-20 0 -35 15.5t-15 35.5q0 22 15 37t36 15t35.5 -15t14.5 -37q0 -21 -15 -36t-36 -15zM252 0h-220v26q48 5 59 17t11 63v206q0 47 -9 58t-54 18v24q78 12 142 39v-345q0 -51 11.5 -63t59.5 -17v-26z" /></g><g transform="matrix(.022,-0,0,-.022,17.682,15.188)"><path id="x4F" d="M381 665q131 0 226.5 -93t95.5 -239q0 -158 -96 -253t-238 -95q-137 0 -231 95t-94 238q0 142 92.5 244.5t244.5 102.5zM359 629q-89 0 -151 -74.5t-62 -208.5q0 -141 69 -233t175 -92q90 0 150.5 74t60.5 211q0 152 -69 237.5t-173 85.5z" /></g><g transform="matrix(.016,-0,0,-.016,34.425,20.575)"><path id="x32" d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" /></g></svg>/<svg style="vertical-align:-4.32007pt;width:41.525002px;" id="M2" height="20.4125" version="1.1" viewBox="0 0 41.525002 20.4125" width="41.525002" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,14.975)"><path id="x53" d="M409 504l-29 -5q-16 60 -44.5 96t-86.5 36q-54 0 -82.5 -32t-28.5 -77q0 -51 30.5 -82.5t96.5 -65.5l35.5 -18t33 -19.5t33.5 -23.5l27 -25.5t24.5 -32t13.5 -36.5t6 -45q0 -80 -62 -134.5t-160 -54.5q-47 0 -98 15q-22 7 -50 21q-8 23 -27 155l30 7q7 -27 18 -52
t30 -51.5t49 -42.5t67 -16q56 0 88 32.5t32 87.5q0 51 -31.5 82t-98.5 67q-80 44 -110 73q-55 53 -55 124q0 75 56 126.5t150 51.5q53 0 126 -23z" /></g><g transform="matrix(.022,-0,0,-.022,10.553,14.975)"><use xlink:href="#x69" /></g><g transform="matrix(.022,-0,0,-.022,16.561,14.975)"><use xlink:href="#x4F" /></g><g transform="matrix(.016,-0,0,-.016,33.3,20.35)"><use xlink:href="#x32" /></g></svg> Composite Films Immobilized on Foam   Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde 

International Journal of Photoenergy

/ Composite Films Immobilized on Foam Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde

Figure 5