Research Article

The Poisoning Effect of Na Doping over Mn-Ce/TiO2 Catalyst for Low-Temperature Selective Catalytic Reduction of NO by NH3

Figure 4

XPS high-resolution scans over (a) Ce 3d and (b) Mn 2p peaks on (1) Mn-Ce/TiO2 and (2) 2% Mn-Ce/TiO2 (N) catalyst.
368583.fig.004a
(a)
368583.fig.004b
(b)