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. 2017 Aug 29;7:9732. doi: 10.1038/s41598-017-10495-8

Figure 5.

Figure 5

A schematic representation to show the change in the conductivity and conduction pathway for electrons through TiOx NT array at two environments - air and mixture of air and reducing agents: (a) the modification of potential barrier heights following the adsorption of the species of different origin and their surface reactions; (b) SEM images of the NT array from top and side views corresponding to the presented scheme.