Review Article

Function of Lattice Defects toward Photocatalytic Processes: View of Electronic Driven Force

Figure 14

STM images of the methanol molecules and oxygen vacancies distribution on surface. (a) Before methanol exposure, BBOv represents the bonding bridging oxygen in the shallow bright color. (b) After methanol exposure, the strong bright dots reveal the methanol adsorption sites [119].
364802.fig.0014a
(a)
364802.fig.0014b
(b)