Fig. 1From: Piezo-phototronic effect enhanced UV photodetector based on CuI/ZnO double-shell grown on flexible copper microwireSEM images and EDS characterizations of a Cu microwire, b Cu/CuI core/shell microwire, and c Cu/CuI/ZnO core/double-shell microwire; all scale bars are 100 μmBack to article page