Abstract
Polypyrrole-coated cuprous oxide nanowires with a large aspect ratio were prepared via the hydrothermal reduction of copper acetate with pyrrole. Initially, the nanowires were transferred onto a glass substrate by suction filtration and embossing. A copper nanowire conductive film can then be obtained after high temperature annealing reduction and transferred onto a flexible substrate via hot press transfer. The product was analyzed via X-ray powder diffractometry, scanning electron microscopy, and transmission electron microscopy. The visible light transmittance and the surface resistance of the sample were measured by employing an ultraviolet-visible spectrophotometer and a four-probe surface resistance meter, respectively. The effects of the annealing temperature, of the time, the dispersion of the square resistance, and the transmittance of the conductive film were investigated. The results show that the conductive film exhibits a high visible light transmittance (82%) and a low sheet resistance (62 Ω/sq) upon annealing at 700 °C for 300 seconds.
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