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. 2018 Mar 26;6:64. doi: 10.3389/fchem.2018.00064

Figure 4.

Figure 4

(A) UV-Vis DRS spectra. (B) Relationship between (αhν)2 and the photon energy (hν) of the as-synthesized BiVO4 (C) Schematic illustration of the band gap structure of BiVO4.