Structural, mechanical and electrical properties of sputter-coated copper thin films on polyethylene terephthalate

Date

2022-08-10

Author

Abdeltwab, E.
Atta, A.
Bek, Alpan

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© 2022 World Scientific Publishing Company.In this study, ion-beam-sputtering technique is used to prepare nanocomposite films, consisting of deposited copper nanoparticles (CuNPs) on polyethyleneterephthalate (PET). The successful formation of the flexible Cu/PET composite films is confirmed by X-ray diffraction (XRD). The surface morphology of Cu/PET is studied by atomic force microscopy (AFM). The results show that the surface roughness increased from 22.6 nm for PET to 45.3 nm after 40 min of deposited Cu/PET. The sheet resistance decreases from 5.16 × 104ω to 1.3 × 104ω and resistivity decreases from 2.3 × 10-2ω ·cm to 1.77 × 10-2ω ·cm, as the Cu deposition time increases from 20 min to 60 min. Moreover, Young's modulus increases from 2.82 GPa to 2.96 GPa and the adhesion force enhances from 14.7 nN to 29.90 nN after 40 min of Cu deposition. The DC electrical conductivity at 300 V is improved from 1.75 × 10-8 S.cm-1 to 3.57 × 10-8 S.cm-1 after 60 min of Cu deposition. The results show the deposited Cu on flexible PET platform clearly exhibits improvement over pristine PET in the mechanical and electrical properties which render it useful for a broad range of dielectric applications.

Subject Keywords

Composite materials, structural characteristics, physical properties, dielectric applications, SURFACE MODIFICATION, ELECTRODES, METALLIZATION, FABRICATION, DEPOSITION, SUBSTRATE, GROWTH, Composite materials, dielectric applications, physical properties, structural characteristics

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85132323159&origin=inward
https://hdl.handle.net/11511/98849

Journal

International Journal of Modern Physics B

DOI

https://doi.org/10.1142/s0217979222501259

Collections

Department of Physics, Article

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Citation Formats

E. Abdeltwab, A. Atta, and A. Bek, “Structural, mechanical and electrical properties of sputter-coated copper thin films on polyethylene terephthalate,” International Journal of Modern Physics B, vol. 36, no. 20, pp. 0–0, 2022, Accessed: 00, 2022. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85132323159&origin=inward.