Enhanced Photocatalytic Activity of <svg     style="vertical-align:-4.32pt;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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			<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> Powders (P25) via Calcination Treatment

<table>Nitrogen adsorption-desorption isotherms of the P25 powders before (a) and after calcination at 500 (b) and 700°C (c) for 4 h.</table>

International Journal of Photoenergy

fig5

Figure 5

Figure 5: Enhanced Photocatalytic Activity of <svg     style="vertical-align:-4.32pt;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> Powders (P25) via Calcination Treatment 

International Journal of Photoenergy

Enhanced Photocatalytic Activity of Powders (P25) via Calcination Treatment

Figure 5