Collection of scientific works Nanosystems, nanomaterials, nanotechnologies Year 2021 Volume 19, Issue 4
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Marwa Sajjad and Ahmed Hashim
«Low Cost and Excellent Optical Properties of PEO Doped with CoFe2O4 Nanoparticles for Optoelectronics Applications »
0831–0840 (2021)

PACS numbers: 68.37.-d, 78.20.Ci, 78.40.-q, 78.66.-w, 78.67.Sc, 81.07.Pr, 82.35.Np

Magnetic films of the polyethylene oxide (PEO) and cobalt ferrite nanoparticles’ (CoFe2O4 NPs) nanocomposites are fabricated for magnetic, electronic, and optical applications with low cost and low weight. The structural and optical properties of PEO/CoFe2O4 nanocomposites are investigated. The results indicate that the absorbance (A), absorption coefficient (α), extinction coefficient (k), refractive index (n), real (ε1) and imaginary (ε2) parts of dielectric constant, and optical conductivity (σ) of PEO are increased with increasing of the CoFe2O4 NPs content, while the transmittance (T) and energy band gap (Eg) are decreased as CoFe2O4 NPs concentration increases. Finally, the results show that PEO/CoFe2O4 nanocomposites may be used for the flexible optoelectronics fields.

Key words: polyethylene oxide, ferrite, nanocomposites, absorbance, energy gap, optoelectronics

https://doi.org/10.15407/nnn.19.04.831

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