Preparation of Fe-Doped <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">
	
		
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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>

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</svg> Nanotubes and Their Photocatalytic Activities under Visible Light

<table>The XRD images of as-synthesized samples (pure TNT, Fe-TNT-0.1, Fe-TNT-0.5, Fe-TNT-1, Fe-TNT-3, and Fe-TNT-5).</table>

International Journal of Photoenergy

fig2

Figure 2

Figure 2: Preparation of Fe-Doped <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">
	
		
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</svg> Nanotubes and Their Photocatalytic Activities under Visible Light 

International Journal of Photoenergy

Preparation of Fe-Doped Nanotubes and Their Photocatalytic Activities under Visible Light

Figure 2