Polyethylene Oxide (PEO)/Polyvinyl pyrrolidone (PVP)/Copper Oxide Nanoparticles (CuONPs) were synthesized by one-step Pulsed Laser Ablation of pure Copper plate immersed in PEO/PVP (70/30 wt.%) solution. PEO/PVP/CuONPs composite films were prepared using casting method. The role of copper nanoparticles on modifying PEO/PVP was demonstrated. The effect of different laser ablation times on the characterization of the prepared PEO/PVP/CuONPs composite films have been studied via XRD, UV–vis, PL, SEM, and Ac conductivity. XRD and SEM confirm the complexation between CuONPs and PEO/PVP matrix. The appearance of the characteristic absorption peak at 275 nm in UV–vis spectrum was attributed to the surface plasmon resonance (SPR) of CuONPs. The values of the direct and indirect optical band gap show a decreasing after doping PEO/PVP matrix by CuONPs. PL analysis confirmed that the existence of the CuO nanoparticles comprehensively reorders the delocalized n-electron system of PEO/PVP blend matrix. The behavior of dielectric constant and dielectric loss are progressively decreased as the frequency increased. The values of AC conductivity are increased as the laser ablation time increased. ${\text{M}}^{\text{'}}$ and M″ values are increased by increasing the concentration of CuONPs in the PEO/PVP blend matrix, which induces an increase in the ion conduction of the prepared samples.

通过将纯铜板一步浸入PEO / PVP（70/30 wt。％）溶液中进行脉冲激光烧蚀，合成了聚环氧乙烷（PEO）/聚乙烯吡咯烷酮（PVP）/氧化铜纳米颗粒（CuONP）。采用流延法制备了PEO / PVP / CuONPs复合膜。证明了铜纳米粒子在改性PEO / PVP中的作用。通过XRD，UV-vis，PL，SEM和Ac电导率研究了不同激光烧蚀时间对制备的PEO / PVP / CuONPs复合膜表征的影响。XRD和SEM证实了CuONPs与PEO / PVP基质之间的络合。UV-vis光谱中275 nm处的特征吸收峰的出现归因于CuONP的表面等离振子共振（SPR）。在通过CuONP掺杂PEO / PVP矩阵之后，直接和间接光学带隙的值显示出减小。PL分析证实，CuO纳米粒子的存在使PEO / PVP共混物基体的离域n电子系统全面重新排列。介电常数和介电损耗的行为随着频率的增加而逐渐降低。交流电导率的值随着激光烧蚀时间的增加而增加。${\text{中号}}^{\text{'}}$ 通过增加PEO / PVP共混物基质中CuONP的浓度来增加M”和“ M”值，这会导致所制备样品的离子传导性增加。