INVESTIGATION OF INFRARED AND RAMAN SPECTRA OF POLYMER NANOCOMPOSITES BASED ON POLYCRYSTALLINE SILICON NANOPARTICLES
A.E. Surkhayli, H.A. Shirinova, B.G. Pashayev, A.H. Karimova, S.G. Nuriyeva, L.R. Gahramanli
2024   04   en   p.17-22

ABSTRACT

In the presented work, PVC+Si polymer nanocomposites were prepared and the structure of the obtained nanocomposites was studied via microscopic and spectroscopic techniques. The SEM analysis confirmed that the morphology of the nanocomposite is not smooth and that defects, cracks, and roughness appear in the structure of the polymer with the addition of nanoparticles. XRD studies confirmed that the PVC+Si system has an amorphous structure. A comparison of absorption spectra of pure PVC and PVC+Si nanocomposite in the infrared region showed that there are weak physical interactions between PVC polymer and Si nanoparticles. The Raman spectrum provides proof that the silicon nanoparticles have been effectively incorporated into the PVC matrix, where they are interacting and establishing the bonding features of the silicon-based structure. The proper dispersion and interaction of the silicon nanoparticles with the polymer depend on this interaction.

Keywords: Raman scattering, IR spectroscopy, polyvinyl chloride, silicon nanoparticles
DOI:10.70784/azip.1.2024417

Received: 23.10.2024
Internet publishing: 03.12.2024

AUTHORS & AFFILIATIONS

Ministry of Science and Education Republic of Azerbaijan, Baku State University, Faculty of Physics
E-mail: h.shirinova@bk.ru mob:0515920078

Graphics and Images

    

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