Research Article
Impact of Preparative pH on the Morphology and Photocatalytic Activity of BiVO4
Table 2
Binding energy and area percentage of BiVO4 (s-m) for the O1s region under different pH.
| | Samples | Bonding energy/eV (ri/%) | | O1s (VO) | O1s (OH) | O1s (CO) |
| | pH = 3.0 | 529.90 (75.76%) | 531.67 (16.67%) | 533.50 (7.58%) | | pH = 5.0 | 529.85 (69.44%) | 531.65 (18.75%) | 533.08 (11.82%) | | pH = 7.0 | 529.85 (56.82%) | 531.76 (25.57%) | 533.23 (17.61%) |
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ri/%: area percentage of O1s fitting peaks.
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