Collection of scientific works Nanosystems, nanomaterials, nanotechnologies Year 2022 Volume 20, Issue 4
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Haitham Ahmed Jawad and Ahmed Hashim
Enhanced Optical Absorption and Low Energy Gap of SiC-Nanostructure-Doped PVA/PVP Blend
0963–0969 (2022)

PACS numbers: 78.20.Ci, 78.66.Sq, 78.67.Sc, 81.07.Pr, 82.35.Np, 85.60.Bt

In present work, films of polyvinyl alcohol/polyvinyl pyrrolidone/SiC (PVA/PVP/SiC) nanostructures are fabricated. The optical absorption is determined to use in different optical approaches. The results show that the absorbance of PVA/PVP is increased, while the transmittance is decreased with an increase in the SiC nanoparticles’ concentration. The PVA/PVP/SiC nanostructures have higher absorption at high photon energy. The energy gap of PVA/PVP is decreased, when the SiC nanoparticles’ concentration increases. Finally, the results on optical characteristics indicate that the PVA/PVP/SiC nanostructures can be considered as promising materials for optical fields.

Key words: nanostructures, SiC, polyvinyl alcohol/polyvinyl pyrrolidone, absorbance, energy gap.

https://doi.org/10.15407/nnn.20.04.963

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