Figure 3.

The IdsVds curves of the device coated with SiO2 under dark (black curve) and 312-nm illumination (red curve) and without SiO2 coating under 312-nm UV illumination (blue curve), respectively. Inset is the device coated with 200-nm SiO2 layer.

Huang and Zhang Nanoscale Res Lett 2011 6:52   doi:10.1007/s11671-010-9800-1