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Structural and linear/nonlinear optical characteristics of flexible polypyrrole/CuO polymeric composite films

    https://doi.org/10.1142/S021797922550119XCited by:0 (Source: Crossref)

    The composite (PPy/CuO) films are created using the solution casting solution method by mixing the polymer polypyrrole (PPy) with copper oxide nanoparticles (CuONPs) at different concentrations of CuO (4%, 6% and 8%). The XRD confirms the effective fabrication of the composite (PPy/CuO). The impact of CuO on the optical and structural characteristics was studied. The addition of CuO enhances the refractive indices (no) of PPy from 1.42 for pure PPy to 1.55 for PPy with 4% CuO, and further to 1.69 for PPy with 8% CuO. The dispersion energy of pure polypyrrole (PPy) is 4.55eV, which increased to 5.31eV when doped with 4% CuO. Furthermore, the increasing of CuO concentration to 6% and 8% resulted in higher dispersion energies, respectively, of 5.87 and 6.14eV. The oscillation energy E0 decreased from 4.43eV for PPy to 3.76, 3.41 and 3.25eV for PPy/4%CuO, PPy/6%CuO and PPy/8%CuO, correspondingly. The introduction of CuO into the PPy polymer results in modifications to its optical characteristics. Additionally, there was an observed rise in the plasma frequency from 0.04×1014s1 for PPy to 0.14×1014s1 for PPy/8%CuO. The findings of this study offer empirical support for the possible use of PPy/CuO films in optical devices.

    PACS: 72.80.Tm
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