International Journal of Photoenergy / 2008 / Article / Tab 1

Research Article

Preparation of Fluorine-Doped TiO2 Photocatalysts with Controlled Crystalline Structure

Table 1

Phase content W (%) and average diameter 𝑑 (nm) of the crystallites in the TiO2 powders calcinated at different temperatures (A: Anatase, R: Rutile).

Nominal nameCalcination temperatures

400°C500°C600°C
W (%) 𝑑 (nm)W (%) 𝑑 (nm)W (%) 𝑑 (nm)

TF0A:1008.5A:10012.0A:10018.0
F/Ti = 0
TF10A:72.510.5A:45.721.5A:9.315.5
F/Ti = 10/90R:27.410.6R:54.320.8R:90.720.8
TF20A:9.110.2R:10014.1R:10036.1
F/Ti = 20/80R:90.9

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