One-Pot Pulsed Laser Ablation Route Assisted Molybdenum Trioxide Nano-Belts Doped in PVA/CMC Blend for the Optical and Electrical Properties Enhancement

Polyvinyl alcohol (PVA)/Carboxymethyl cellulose (CMC)/Molybdenum trioxide nano-belts (MoO₃NBs) have been fabricated via laser ablation from pure Molybdenum plate immersed in PVA/CMC (70/30 wt.%) solution. Nanocomposite samples were prepared via casting method. PVA/CMC/MoO₃NPs composites were exposed to various times of laser ablation. FT-IR measurement illustrated rapidly decreased in the intensity of most peaks after embed of MoO₃, these variations were related to the interactions between polymeric blend and MoO₃. XRD results approved that nanocomposites samples showed appearance of the characteristic sharp diffraction peaks of MoO₃NBs at 2θ = 12.58°, 23.13°, 25.51°, 27.17°, and 38.79° which corresponding the MoO₃ monoclinic phase (JCPDS Card No. 05-0508). The direct energy gap values reduces, from 5.82 eV for pure sample to 3.98 eV and 3.56 eV for nanocomposites samples, while the indirect energy gap decrease from 5.18 for pure sample to 3.32 eV and 3.01 eV for nanocomposites samples. The AC conductivity was enhancement after addition the MoO₃NBs. The values of the έ and εʺ of the prepared films exhibited increase by increase the ratio of Molybdenum trioxide nano-belts, which because of an enhance in the ion conduction. Obtained results prove the advantages of selecting MoO₃NBs as filler to enhance the optical and electrical characterization of polymeric films.