Postannealing Effect at Various Gas Ambients on Ohmic Contacts of Pt/ZnO Nanobilayers toward Ultraviolet Photodetectors

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="372869.fig.006a" src="https://static.hindawi.com/articles/ijp/volume-2013/372869/figures/372869.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Argon</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="372869.fig.006b" src="https://static.hindawi.com/articles/ijp/volume-2013/372869/figures/372869.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Nitrogen</td></tr></table></td></tr></table>

<table>The dark current and photocurrent characteristics for the UV photodetector composed of Pt/ZnO nanobilayer films structure annealed in (a) argon and (b) nitrogen ambients, respectively.</table>

International Journal of Photoenergy

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Figure 6

Figure 6: Postannealing Effect at Various Gas Ambients on Ohmic Contacts of Pt/ZnO Nanobilayers toward Ultraviolet Photodetectors 