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In this study, the polyethylene terephthalate?(PET) spunbonded nonwoven materials were used as?substrates for creating electro-optical functional nanostructures?on the fiber surfaces. A magnetron sputter?coating was used to deposit Al-doped ZnO (AZO)?films onto the nonwovens. The influences of the?deposition time on the structural, optical, and electrical
properties of AZO films were investigated. Atomic?force microscopy (AFM) was employed to examine the?topography of the fibers. The AFM observation?revealed a significant difference in the morphology of?the fibers before and after the AZO sputter coating.?The examination by UV–visible spectrophotometer?analysis showed that the nonwovens deposited with
transparent nanostructure AZO films had better UV?absorption, and an average transmittance was approximately
50% in the visible light wavelength region. The?surface conductivity of the materials was analyzed?using a four-probe meter, and it was found that?electrical resistance was significantly decreased as the?sputtering time increased.