Fig. 8From: Fabrication of Rectification Nanosensors by Direct Current Dielectrophoresis Alignment of ZnO NanowiresBand diagrams of Au/ZnO/Au structure. a The device formed by the DEP alignment process with the applied DC bias of less than 2 V. b The device formed by the DEP alignment process with the applied DC bias of 3 V, c dark conditions under reverse bias and d under illumination with reverse bias. λ is the depletion widthBack to article page