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<table>(a) XPS spectra of the C-doped CdO before and after photocatalytic H<sub>2</sub> evolution reaction. (b) XRD patterns of C-doped CdO before and after photocatalytic H<sub>2</sub> evolution reaction.</table>

International Journal of Photoenergy

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Figure 6

Figure 6: Enhanced Hydrogen Production over C-Doped CdO Photocatalyst in Na<svg style="vertical-align:-4.50008pt;width:8.5874996px;" id="M1" height="10.7375" version="1.1" viewBox="0 0 8.5874996 10.7375" width="8.5874996"  xmlns="http://www.w3.org/2000/svg">
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Figure 6 | Enhanced Hydrogen Production over C-Doped CdO Photocatalyst in Na
	
		
			
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International Journal of Photoenergy

Enhanced Hydrogen Production over C-Doped CdO Photocatalyst in Na 2 S/Na 2 SO 3 Solution under Visible Light Irradiation

Figure 6

Enhanced Hydrogen Production over C-Doped CdO Photocatalyst in NaS/NaSO Solution under Visible Light Irradiation