Figure 2 | Scientific Reports

Figure 2

From: Spatial separation of photo-generated electron-hole pairs in BiOBr/BiOI bilayer to facilitate water splitting

Figure 2

The corresponding charge density difference of the (a) BiOCl/BiOCl, (b) BiOBr/BiOBr, (c) BiOI/BiOI, and (d) BiOCl/BiOBr, (e) BiOCl/BiOI, (f) BiOBr/BiOI structures. The violet, red, green, brown, and blue balls represent Bi, O, Cl, Br, and I atoms, respectively. The yellow and blue-green isosurfaces correspond to the accumulation and depletion of electronic densities (the isovalue is 0.002 e/Å3).

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