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Fabrication, surface characterization and optical behavior of flexible PVA/ Nd2O3 polymer nanocomposites materials for optoelectronics applications

Author name : ALI ATTA MOHAMD AHMED
Publication Date : 2024-10-01
Journal Name : Inorganic Chemistry Communications

Abstract

The nanocomposite PVA/Nd2O3 with novel properties, that composed of Neodymium (III) oxide (Nd2O3) and
polyvinyl alcohol (PVA), was synthesized by the casting preparation method for applied as flexible films for
optoelectronic. The techniques of the FTIR, XRD, SEM and EDX showed that the PVA/Nd2O3 were successfully
synthesized. The successful inclusion of Nd2O3 into PVA is indicated by a reduction in PVA/Nd2O3 peak in
tensities as observed by the FTIR and XRD. Additionally, the UV/Vis technique was used to record the optical
behavior at wavelengths between 200 and 1100 nm. The measurements of carbon clusters, band gap, absorption
edge, and band tail were determined. The band gap decreases from 5.01 eV to 4.60 eV and the band tail changes
from 1.8 eV to 2.85 eV when the Nd2O3 is raised from 5 % to 20 %. In addition, the absorption edge reduced from
5.06 eV for PVA to 4.92, 4.81, 4.72, and 4.49 eV, accordingly, when 5 %, 10 %, 15 %, and 20 % of Nd2O3 are
introduced in the composite. The result showed the composites made with PVA and Nd2O3 have excellent optical
characteristics, especially in the UV–visible spectrum, where they are highly reflective and absorbent. The study
emphasizes the fabricated composites enhanced optical transparency and absorption properties, which make it a
good materials for uses in photonic devices, sensors, and optical instruments.

Keywords

Fabrication Surface characterization Polymer nanocomposites Optoelectronics

Publication Link

https://doi.org/10.1016/j.inoche.2024.113249

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