Persistent Photoconductivity in ZnO Nanowires in Different Atmospheres

<table>Current-voltage (<i>I</i>-<i>V</i>) characteristics of a single ZnO NW device in vacuum and two different inert gas atmospheres. The photosensitivity of the nanowires to UV excitation is clearly shown.</table>

Advances in Condensed Matter Physics

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Figure 2

Figure 2: Persistent Photoconductivity in ZnO Nanowires in Different Atmospheres 