The Influence of the Ammonolysis Temperature on the Photocatalytic Activity of β-TaON
Table 1
Crystal structure parameters of β-TaON powders derived from Le Bail fitting results.
Temperature (°C)
Lattice parameter (Å)
Lattice parameter (Å)
Lattice parameter (Å)
Lattice parameter (°)
Unit-cell volume (Å3)
800a
4.96732 (5)
5.03494 (5)
5.18281 (5)
99.6097 (4)
127.804 (2)
5.87
8.03
4.11
3.82
850
4.96737 (5)
5.03549 (5)
5.18332 (6)
99.6242 (4)
127.826 (2)
5.71
7.67
4.56
2.83
900
4.96713 (5)
5.03563 (5)
5.18339 (5)
99.6280 (3)
127.829 (2)
5.52
7.64
3.85
3.94
950
4.96695 (4)
5.03599 (4)
5.18381 (4)
99.6357 (3)
127.836 (2)
5.33
7.35
3.94
3.48
1000
4.96631 (3)
5.03640 (3)
5.18494 (3)
99.6621 (2)
127.848 (1)
5.21
7.45
4.31
2.99
aNitridation for 68 h. Space group symmetry: . Numbers in parentheses are standard deviations. , , , and are the reliability factors and goodness-of-fit, respectively.
