Fig. 1From: Fabrication and Optimization of Vertically Aligned ZnO Nanorod Array-Based UV Photodetectors via Selective Hydrothermal SynthesisSchematic diagram. Fabrication of ZnO NRA-based MSM UV PDs: a selective exposure between two electrodes by a shadow mask, b deposition of the ZnO seed layer, and c hydrothermal growth of ZnO NRAs on the ZnO seed layerBack to article page