Figure 3

(a) Schematic diagram of the CNT/PVA/ZnO composite assembly process, (b) configuration of the CNT/PVA/ZnO, and (c) CNT/PVA film from the front and nano-ZnO array from the front (① silver electrode, ② ③ adhesive tape, ④ wires, ⑤ CNT/PVA layer, and ⑥ nano-ZnO layer.