Figure 4

(a) Electronic state structures of energy band and (b) Total and partial density of state (TDOS and PDOS) of Bi2O(OH)2SO4: The vertical dash line represents the valence band maximum (VBM).

(a) Electronic state structures of energy band and (b) Total and partial density of state (TDOS and PDOS) of Bi2O(OH)2SO4: The vertical dash line represents the valence band maximum (VBM).