Abstract
In order to study the influence of substrates on the structure and properties of deposited functional nanocomposite film, polyester fabrics with different structures were used as substrates, metal silver (Ag) and copper (Cu) were used as targets, and nanocomposite films were deposited by DC(direct current) and RF(radio frequency) co-sputtering. Surface morphology and structure of samples were analyzed, and anti-ultraviolet, electromagnetic shielding, and water repellency properties of samples were measured. The experimental results show that Ag/Cu nanocomposite film on the surface of the nonwoven fabric is uniform and continuous, the diameter of nanoparticles on the surface of woven fabric is small, and particle distribution on the surface of knitted fabric is continuous, with some island-like clusters. Cu (111), Cu (200), Ag (111) and Ag (200) diffraction peaks of nanocomposite film on the surface of the sample are not obvious due to low crystallinity. XPS (X-ray photoelectron spectrometer) image shows that nanoscale film is not oxidized but exists in elemental form. The anti-ultraviolet and anti-electromagnetic shielding properties of nanocomposite film with non-woven fabric as substrates are the highest, whereas the knitted fabric lowest. The contact angle results suggest that Ag/Cu nanocomposite film deposited on polyester fabrics provides excellent hydrophobicity.
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