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Table 1 Photocatalytic degradation of RhB after reaction for 2 h over Bi2WO6 samples, as well as morphology/size, BET-specific surface area, and bandgap energy of the samples

From: Effect of Experimental Parameters on the Hydrothermal Synthesis of Bi2WO6 Nanostructures

Samples Morphology and size S BET (m g−1) Bandgap energy (eV) Degradation percentage (%)
C NaOH = 0 mol (pH = 1) Flower-like hierarchical structures,7 μm in diameter 68.9 2.97 97.5
C NaOH = 0.01 mol (pH = 3) Flower-like hierarchical structures,2 μm in diameter 72.4 2.97 98.9
C NaOH = 0.03 mol (pH = 5) Irregular flake-like structures, 55 nm in thickness 33.7 2.97 92.7
C NaOH = 0.0545 mol (pH = 9) Irregular flake-like structures, 60 nm in thickness 18.2 2.97 69.5
C NaOH = 0.05525 mol (pH = 11) Spherical structures, 85 nm in diameter 9.5 2.93 45.8