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首页> 外文期刊>Journal of nano research >Optical Properties of PVA Films Doped with Gold-Graphene Nanocomposite Synthesized by Pulsed Laser Ablation
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Optical Properties of PVA Films Doped with Gold-Graphene Nanocomposite Synthesized by Pulsed Laser Ablation

机译：用脉冲激光烧蚀合成的金石墨烯纳米复合材料掺杂PVA薄膜的光学性能

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摘要

In this research optical properties of synthesized gold-graphene/polyvinyl alcohol (AuG/PVA) nanocomposite have been investigated. Gold and graphene nano colloidal solution (NCS) synthesized by laser ablation method individually. The resulting NCS were characterized by UV-Vis absorption spectroscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). PVA/Au and PVA/AuG with different concentration of AuG were mixed to form polymeric films via solution casting. Doped polymeric films were analyzed by FTIR and spectrophotometer analyses. The results show that by increasing of AuG concentration, the band gap energy of the PVA films significantly enhanced and other optical parameters such as refraction and extinction coefficients remarkably changed.
机译：在该研究中，研究了合成的金石墨烯/聚乙烯醇（AUG / PVA）纳米复合材料的光学性质。 通过激光烧蚀方法单独合成金和石墨烯纳米胶体溶液（NCS）。 通过UV-Vis吸收光谱，扫描电子显微镜（SEM）和透射电子显微镜（TEM）的特征在于得到的NC。 用溶液浇铸将PVA / AU和PVA / AUG混合以形成聚合物薄膜。 通过FTIR和分光光度计分析分析掺杂的聚合物薄膜。 结果表明，通过增加乌乌浓度，PVA薄膜的带隙能量显着增强和其他光学参数，例如折射和消光系数显着改变。

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