Fig. 1From: Computational Analysis of the Optical and Charge Transport Properties of Ultrasonic Spray Pyrolysis-Grown Zinc Oxide/Graphene Hybrid StructuresThe top view FESEM images of structures obtained from the experimental run. a R1 (polycrystalline ZnO non-continuous thin film structure), b R2 (ZnO NSCs), c R3 (ZnO NRs) and d R4 (ZnO NWs)Back to article page