International Journal of Photoenergy / 2012 / Article / Fig 12

Research Article

Nitrogen-Doped Photocatalyst Prepared by Mechanochemical Method: Doping Mechanisms and Visible Photoactivity of Pollutant Degradation

Figure 12

Effect of NH4F concentration on photocatalytic degradation activity of methyl orange under ultraviolet light. (NF400-0, NF400-37, NF400-74, and NF400-48 which represent the qualities of NH4F in milling process were 0, 0.37, 0.74, and 1.48 g, resp.; BLANK represents the raw titania directly calcined at 400°C without milling (TO400).)
960726.fig.0012

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