Fig. 2From: Characterization of Gold-Sputtered Zinc Oxide Nanorods—a Potential Hybrid MaterialFESEM images of ZnO-NRs sputtered with different thicknesses of Au. a 10, b 20, c 30 and d 40 nm. The inset shows the magnified morphological observation of ZnO-NRs sputtered with different thicknesses of AuBack to article page